Updated September 28, 2026
Mailercloud
Constant Contact

Mailercloud vs Constant Contact

Affordable unlimited sends vs premium support and ease of use

16
Features Compared
4
Key Differences
8
FAQs Answered
TL;DR

Mailercloud costs $50/month for unlimited emails to 10k contacts. Constant Contact costs $80/month with phone support, event management, and social media tools. Choose Mailercloud if you're budget-conscious and send high volume. Choose Constant Contact if you need hand-holding and organize events.

Platform Overview

See how each platform looks

Constant Contact

Constant Contact dashboard screenshot

Established email marketing platform focused on small businesses.

Key Differences

The main things that set these tools apart

Unlimited Emails vs Volume Caps
Mailercloud wins

Mailercloud lets you send unlimited emails, while Constant Contact caps you at 12x your subscriber count monthly (120k emails at 10k contacts).

Support Quality
Constant Contact wins

Constant Contact offers phone support and has a reputation for helping non-technical users. Mailercloud only offers email support.

Event Management
Constant Contact wins

Constant Contact has built-in event registration, ticketing, and invitation tools. Mailercloud doesn't offer this at all.

Price
Mailercloud wins

Mailercloud is $30 cheaper per month at 10k contacts, and 30% cheaper with annual billing.

Pricing Comparison

At 10,000 subscribers

Mailercloud
$50/month

Premium plan. Unlimited emails. 30% off annual.

Visit Mailercloud
Constant Contact
$80/month

Core plan. Includes phone support and event management.

Visit Constant Contact
Best for SaaS
Sequenzy
$49/month

At 10,000 subscribers

60,000 emails/mo (~6 per contact), unlimited contacts.

Free plan: up to 2,500 emails/month. Paid plans from $19/month (15,000 emails), unlimited contacts on every plan. See all plans

Start for free

Feature Comparison

16 features compared side-by-side

Feature
Mailercloud
Constant Contact
Sequenzy
Email Sending & Deliverability
Email sending limits
Unlimited emails
12x your contact count per month
120k emails/month
A/B testing
Subject lines and content
Subject lines and content
A/B subject line testing
Send time optimization
Not available
Available
Spam testing
Basic spam check
Inbox preview and spam testing
Soft bounce monitoring
Automation & Segmentation
Automation workflows
Basic automation with limited triggers
Pre-built automation templates
Event-based sequences
Contact segmentation
Basic list segmentation
Advanced segmentation with tags
Advanced segment builder
Behavioral triggers
Limited triggers
Click, open, and website activity
Event-based triggers
Drip campaigns
Available
Available
AI-generated sequences
Design & Content
Email templates
100+ templates
100+ templates
100+ templates + AI
Drag-and-drop editor
Available
Very beginner-friendly
Block-based editor
AMP email support
Yes (forms, carousels in email)
Not available
Not available
AI features
AI subject line suggestions only
AI content recommendations
Full AI email sequences
Support & Ecosystem
Customer support
Email support only
Phone, chat, and email
Direct founder support
Event management
Not available
Built-in event registration and invites
Not available
Social media posting
Not available
Schedule posts to Facebook and Instagram
Not available
Integrations
50+ integrations
300+ integrations
Stripe, Polar, Paddle + API

API, CLI and MCP: How AI-Ready Is Each Tool?

What you, or an AI assistant like Claude or ChatGPT, can do in each tool without opening the dashboard. “MCP” means the vendor's own MCP server can do it. Each status links to the doc that confirms it.

Constant Contact
MCP server
Official, read and writeHosted

Remote MCP (mcp.apps.constantcontact.com), 13 tools: drafts campaigns, lists, contact import. No send/schedule.

MCP docs
CLINoneAPIREST
Through its MCP (4 of 14)

Create and update contacts, Add contacts to lists or tags, Create campaigns, Create and edit templates

API only

Create segments, Send or schedule campaigns, Trigger automations, Create A/B tests, Read campaign analytics, View or manage unsubscribes

Checked September 28, 2026
Sequenzy
MCP server
Official, read and writeHosted or local

250+ tools. Hosted with OAuth or local with an API key.

MCP docs
CLIOfficialAPIREST
Through its MCP (14 of 14)

Create and update contacts, Add contacts to lists or tags, Create segments, Create campaigns, Send or schedule campaigns, Build automations, Trigger automations, Create A/B tests, Create and edit templates, Send transactional email, Read campaign analytics, View or manage unsubscribes, Set up sending domains, Create forms or landing pages

Checked September 28, 2026

If You Leave Later: What You Can Take With You

Switching is easier when your data comes with you. Unsubscribes matter most: without them, people who opted out get emailed again.

Constant Contact
Contacts and custom fields
Yes

Contacts > select > Actions > Export selection (CSV/Excel); API contact_exports exports all fields

Constant Contact docs
Unsubscribes and bounces
Yes

API contact export filtered by status unsubscribed/removed; per-email Bounces/Unsubscribes reports export to CSV

Constant Contact docs
Templates as HTML
Not confirmed

No documented HTML export; community answers say only custom-code email HTML can be copied

Automations
Not confirmed

No automation export documented.

Open and click history
Yes

Reporting > Emails > open Sends/Opens/Clicks/Bounces/Unsubscribes report > Export Contacts (CSV)

Sequenzy
Contacts and custom fields
Yes

Subscribers > Export downloads a CSV with status, tags and custom attributes, or page through GET /subscribers

Sequenzy docs
Unsubscribes and bounces
Yes

Unsubscribed and bounced contacts carry their status in the CSV export, and GET /suppressions lists them

Sequenzy docs
Templates as HTML
Yes

GET /templates/{id}/render returns the exact email-safe HTML that is sent

Sequenzy docs
Automations
Yes

GET /sequences/{id} returns each sequence's steps, delays and conditions as JSON; other tools cannot import it directly

Sequenzy docs
Open and click history
Yes, on request

Full per-contact open and click history is exported on request; opens and clicks also stream out through webhooks as they happen

Pros & Cons

Honest strengths and weaknesses of each platform

Mailercloud

Pros
  • Much cheaper
  • Unlimited email sends
  • AMP email support
  • Simple pricing
  • Clean interface
  • Easy setup
Cons
  • No event marketing
  • No social media features
  • Smaller template library
  • Less brand recognition
  • Basic automation
  • No phone support

Constant Contact

Pros
  • Event marketing and management
  • Social media integration
  • Strong brand recognition
  • Phone support available
  • Large template library
  • Good for small business owners
Cons
  • Significantly more expensive
  • Interface feels dated
  • Automation basic for the price
  • No AMP email support
  • Pricing increased over time
  • Feature set lagging

What Users Say

Reviews from Trustpilot, linked to the source

Trustpilot

“MailerCloud is an easy-to-use email marketing platform with a simple, user-friendly interface. The support team is quick to respond and helpful whenever assistance is needed. The platform is continuously upgraded with new features and improvements, making it easy to access and manage campaigns efficiently. It also provides frequent domain health alerts whenever any degrading activity is detected, which helps in monitoring deliverability and maintaining domain reputation.”

Dignisys DigitalView on Trustpilot
Trustpilot

“I had a very frustrating experience with MailerCloud. Their API integration with WordPress turned out to be unreliable and far from what I expected.”

Shahidul IslamView on Trustpilot

Constant Contact Reviews

Trustpilot 4.0/5 from 2,079 reviews
Trustpilot

“Katy was so pleasant, helpful and patient as she took me through the process of sending a new advertising message. She guided me through the changes you have made in formatting. Very good experience.”

Trustpilot

“They booked my appointment, said they could help with my type of business, so I waited 2 weeks for my intake appointment and come to find out they don't do my type of business.”

Best For

When to choose each tool

Choose Mailercloud if you...
  • High-volume senders who need unlimited emails
  • Budget-conscious businesses with tight margins
  • Teams who don't need phone support
  • Companies that want AMP interactive emails
  • Users comfortable with email-only support
Choose Constant Contact if you...
  • Non-technical users who need hand-holding
  • Event organizers (conferences, fundraisers, meetups)
  • Businesses that need phone support
  • Companies already using social media marketing
  • Users who value ease of use over advanced features

When to Consider Sequenzy Instead

SaaS Focus

Neither platform has native Stripe integration. Sequenzy syncs your SaaS customer data automatically - tags like "trial," "customer," "churned" get applied without manual work. Perfect if you're running subscription software.

AI Email Generation

Describe your goals and Sequenzy generates full sequences. Neither Mailercloud nor Constant Contact can do this - they only offer AI subject lines or content suggestions, not entire multi-email sequences.

Unified Platform

Transactional + marketing email in one tool at $49/month. Both Mailercloud and Constant Contact require separate services for password resets and receipts.

When Unlimited Emails Actually Matter

The biggest selling point for Mailercloud is unlimited emails. But does that actually matter for your business?

If you're sending weekly newsletters and the occasional promotion, you won't hit Constant Contact's 12x limit. At 10k contacts, that's 120k emails per month - about 30 sends per subscriber monthly. Most businesses don't come close to this.

But if you're running daily engagement campaigns, multiple segmented sequences, or high-frequency transactional-style marketing, unlimited sending becomes valuable. E-commerce stores during holiday seasons, media companies with daily digests, or agencies managing multiple clients can easily burn through 120k sends.

The math: If you send 5 emails per subscriber per month, you're at 50k emails. If you send 10 emails per subscriber monthly (aggressive but not uncommon for e-commerce), you're at 100k. You'd hit the Constant Contact limit at 12 sends per subscriber monthly.

For context, ConvertKit and MailerLite also cap sending, while Mailchimp charges based on sends. Truly unlimited email at $50/month is rare.

The Support Gap Is Real

Constant Contact's phone support isn't just a nice-to-have - it's often the deciding factor for non-technical users.

When you're stuck configuring DNS records for email authentication, or your automation isn't triggering correctly, being able to call someone who walks you through it step-by-step is huge. Constant Contact's support team is known for patience with beginners.

Mailercloud only offers email support. You'll submit a ticket and wait for a response. For urgent issues (like a campaign that needs to go out today), this can be frustrating.

The trade-off is clear: save $30/month and handle problems yourself, or pay more for hand-holding. If you're technical or have a developer on your team, Mailercloud's support is probably fine. If you're a small business owner doing this yourself for the first time, Constant Contact's phone support is worth the premium.

Similar dynamics exist with other platforms - Brevo offers chat support at lower tiers, while ActiveCampaign charges extra for premium support.

Event Management Changes the Game

If you run events - conferences, fundraisers, workshops, webinars, networking meetups - Constant Contact's built-in event tools are a killer feature.

You can create event landing pages, manage registrations, sell tickets, send automated reminders, and track RSVPs all inside Constant Contact. After the event, attendees are automatically added to your email list for follow-up campaigns.

Mailercloud offers none of this. You'd need to use a separate event platform like Eventbrite, then manually sync attendees back to your email list. That's extra cost, extra work, and more room for things to break.

For event-heavy organizations (nonprofits, community groups, professional associations), this alone justifies Constant Contact's higher price. For businesses that never run events, it's a feature you're paying for but won't use.

If you're evaluating platforms for event marketing, also check out GetResponse, which includes webinar hosting, and Eventbrite's email tools if events are your primary focus.

AMP Emails: Mailercloud's Hidden Weapon

Mailercloud supports AMP for Email, which lets you add interactive elements directly inside emails. Think:

  • Forms that subscribers fill out without leaving their inbox
  • Image carousels they can swipe through
  • Accordions that expand/collapse
  • Live inventory updates for e-commerce

This is legitimately cool and not widely supported. Gmail, Yahoo, and some other clients support AMP, though Apple Mail and Outlook don't.

Constant Contact doesn't support AMP at all. Neither do most competitors - Klaviyo, Omnisend, and Drip all lack AMP support.

The catch: AMP emails require extra development work. You can't just use a drag-and-drop builder - you need to understand AMP syntax or hire someone who does. For most small businesses, this feature goes unused.

But if you're technical and want to experiment with interactive emails, Mailercloud gives you that option at an affordable price point.

Event Marketing

Constant Contact includes event marketing tools - create events, manage registrations, send invitations. For organizations hosting events regularly, this integration is valuable. Mailercloud has no event marketing.

Support

Constant Contact offers phone support. Mailercloud offers email and chat. For less technical users who prefer personal assistance, Constant Contact provides more comfort. Check our email deliverability guide for best practices.

Value Assessment

Constant Contact's premium pays for event marketing, social tools, and phone support. If you use these, the price is justified. For email-only marketing, Mailercloud delivers essentials at better value.

Use-case matchups

Situation Better fit Why
You need affordable high-volume email campaigns Mailercloud Mailercloud is cheaper in the 10k-contact scenario and supports unlimited sends.
You need phone support and beginner hand-holding Constant Contact Constant Contact has phone, chat, and email support in the page data.
You run events, fundraisers, classes, or registrations Constant Contact Event management is a specific Constant Contact advantage here.
You want AMP email experiments Mailercloud Mailercloud supports AMP, while Constant Contact does not.
You need subscription lifecycle email for SaaS Sequenzy Sequenzy is the option here built around Stripe and transactional plus marketing email.

Best Fit by Small-Business Workflow

Best email marketing tool for affordable high-volume campaigns

Mailercloud fits teams that want low-cost campaign sending, unlimited sends, and AMP experiments without paying for event-management extras. It is the better fit when the budget question is campaign volume, not support, local events, or broad small-business guidance.

Best email platform for events, classes, and beginner support

Constant Contact is the better fit when phone support, guided onboarding, event promotion, registrations, and local-business workflows matter. Choose it when non-technical staff need a proven workflow for newsletters, classes, fundraisers, and community outreach.

Best email platform for SaaS subscription lifecycle

Sequenzy fits when subscription billing events and transactional plus marketing email are the reason for switching. It is more useful when Stripe, product activity, and lifecycle state should trigger the next message.

Pricing reality

The page data shows Mailercloud at $50/month and Constant Contact at $80/month for 10,000 subscribers. If you only need newsletters and basic automation, that $30/month difference is meaningful.

Constant Contact's premium is easier to justify when event tools, social posting, phone support, and beginner-friendly workflows replace other tools or reduce support burden. If those features go unused, Mailercloud is the better value.

Review signals

The Mailercloud reviews emphasize lower cost and unlimited sends for simple email, while noting that Constant Contact's event features may be missed.

Constant Contact reviews emphasize reliability and nonprofit/event workflows, with the recurring downside of higher pricing and an older-feeling interface. That matches the feature trade-off in the page.

Migration checklist

  • Export contacts, unsubscribes, segments, tags, templates, automations, forms, event data, and suppression lists.
  • If moving away from Constant Contact, replace event registration, ticketing, and invite workflows before switching.
  • If moving to Constant Contact, rebuild high-frequency campaigns around its monthly send limits.
  • Reconfigure SPF, DKIM, DMARC, tracking domains, sender identities, and unsubscribe handling.
  • Test event reminders, campaign sends, form submissions, and support-critical workflows before launch.
  • Keep the old platform active until events, forms, suppressions, and active automations are confirmed.

Decision checklist

  • Choose Mailercloud if price, unlimited sending, and AMP experiments matter most.
  • Choose Constant Contact if events, phone support, and beginner-friendly setup are central.
  • Choose Sequenzy if SaaS billing events and transactional email are the real workflow.

Frequently Asked Questions

8 questions answered about Mailercloud vs Constant Contact

Testimonials

Sequenzy Testimonials

Yusuke

Yusuke

Founder, LandingBoost

It’s the first tool where I’m actually willing to keep working on email without it turning into one giant scary blast. Favorite part is still what I said, being able to split stuff. Drafts vs campaigns vs a single-person send. I can park a lot of “don’t send this yet” work with labels and not feel like it’s one click away from going to everyone. Sequences later. Consent / lists first. I’m slow on purpose.

Rakesh Reddy

Rakesh Reddy

Founder, CrawlRaven

We used Sequenzy to replace a generic onboarding flow with coordinated lifecycle journeys covering signup, connecting Google Search Console, discovering SEO opportunities, upgrading, and paid-customer retention. Event triggers, conditional branches, personalization, and enrollment cancellation gave us precise control over who receives each message - and when someone should exit a journey. We backfilled eligible users into the appropriate journeys. The initial emails went out without bounces, complaints, suppressions, or unexpected recipients. Future users now enter the relevant journeys automatically based on their activity in CrawlRaven.

Elvis Sun

Elvis Sun

Founder, PressPulse & Medialyst

Codex basically one-shotted the migration for syncing our audience from SendGrid to Sequenzy. Sequenzy is fully observable, so agents can just set everything up. The net impact is saving $45/mo, plus 2 hours of my time every time I need to repurpose a newsletter. That's 8 hours a month. My consulting rate is $550/hr, so every hour automated is super valuable.

Caden Sumner

Caden Sumner

Solo founder, Moxie Docs

Lifecycle email was the kind of thing I knew I would need eventually, but have never had to build it out myself and had no idea where to start. In literal hours I had a fully working (but basic) flow for onboarding new users, detecting churn, and re-engaging people who have trials lapsing to hopefully convert. Sequenzy let me offload the entire “keep users engaged and recover the ones who are slipping” workflow to something that just runs. Every hour I'd have spent building and babysitting lifecycle emails went into shipping the actual product instead.

Louis

Louis

Founder

Easy migration from another tool. Premium customer service and easy to set everything up

Apr 9, 2026

Jim

Jim

Founder, FixMyLanding

It helped me grow to $100 MRR, get #1 on Uneed, make more sales, get acquired. I literally love Sequenzy, it's so simple, I love the dashboard. I also saw the integrations and was shocked. 3 sales today, all thanks to Sequenzy. Honestly, thanks.

King Killers

King Killers

Shopify App Store review

Loving the Sequenzy app so far due to the affordability and large subscriber limits. Planning on this becoming my main email app. Campaign + flows setup with the help of their AI took less than 30 minutes.

Verified User

Verified User

Computer Software

SaaS-focused feedback, fast processing, and plenty of integrations. It is very SaaS-focused, supports a wide range of integrations, and processes feedback right away.

Jun 17, 2026

G2
Filip Panoski

Filip Panoski

Founder, Bazzly

I've used 2 other email marketing tools. They were supposedly "market leaders". Both were clunky, unnecessarily expensive and horrible support. When I tried Sequenzy I thought there'd be trade-offs compared to the others. But there weren't, it had everything I needed, there was no bloat, emails delivered extremely fast, and the founders shipped anything I asked in a day. The best part is that Sequenzy is AI native, I rarely do stuff in the dashboard, just use my AI to create campaigns, sequences and segment customers which saves me a ton of time. Never been happier with an email marketing tool.

Max Eccles

Max Eccles

Founder, InstantInterior AI

$600 revenue in 30d from email automations. Very happy I migrated to Sequenzy. Before I was making zero from email automations.

Leo

Leo

Maintainer, Email SDK

Sequenzy's most powerful feature is probably those campaigns. It seems useless at first but they are one of the most important things to send to your users. I get to talk to my users 1:1 and help them set it up for their use case. The owner is really active on X, really nice and helpful. He's the type of person to go out of his way to help you, so you get really good support!

Viraj

Viraj

Founder, SnapCount

After using Loops and Resend, I was looking for an email infrastructure service that had MCP support, Affonso and Dodo Payments integrations, and was affordable. Came across Sequenzy, and the support from Nic has been unbelievable. Migration was done in 24 hours without any issues, and I can run all of my products from a single account.

Jim

Jim

Founder

I run a SaaS, and found Nic on X where I kept seeing posts about his email marketing tool, Sequenzy. I decided to try it for email marketing. Literally on the first day, I used it to send a marketing campaign and I got 5 sales. What I like most is the ai assistant because it actually writes emails that feel real instead of the usual ai slop chatgpt returns, so they do not end up in spam. It also has a 2.5k free email limit which is way better than most tools that only give you around 1k. The best part though is that it handles everything for me, tags, subscribers, sequences and all of it. Without it i would probably be managing a database and a bunch of cron jobs just to make email automation work. Sequenzy just makes my life a lot easier. it can also be set up with 2-3 clicks! Give it a try!!

Mar 10, 2026

Dhiva Logu

Dhiva Logu

Founder

I love everything about Sequenzy and also the kind of support I get from Nic. It's already the best choice for campaigns & Sequences. Specially the integrations with payment providers, auth providers & analytics etc.. is really spot on. Best in terms of features & pricing in the email segment 100% recommend it for SaaS emails :)

Mar 10, 2026

Petros

Petros

Shopify App Store review

The setup was fast and simple. It synced customer, product, and order data quickly. Generating automated flows was simple, and it improved my monthly bottom line by about 7%.

Not sure which to pick?

If you're a SaaS founder who needs Stripe integration and unified email, try Sequenzy free. No credit card required.

Related Comparisons

Written by Sequenzy, which appears in this comparison. How we compare tools

Sequenzy pricing reference

Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses email-volume-based pricing. You only pay for emails you send. Unlimited contacts on all plans — storing subscribers is always free.

All Pricing Tiers

  • 2.5k emails/month: Free (Free annually)
  • 15k emails/month: $19/month ($205/year annually)
  • 30k emails/month: $29/month ($313/year annually)
  • 60k emails/month: $49/month ($529/year annually)
  • 120k emails/month: $99/month ($1069/year annually)
  • 300k emails/month: $199/month ($2149/year annually)
  • 600k emails/month: $399/month ($4309/year annually)
  • 900k emails/month: $599/month ($6469/year annually)
  • 1.2M emails/month: $799/month ($8629/year annually)
  • 2M emails/month: $1299/month ($14029/year annually)
  • 3M emails/month: $1999/month ($21589/year annually)
  • 4M emails/month: $2499/month ($26989/year annually)
  • 5M emails/month: $2999/month ($32389/year annually)
  • Unlimited emails/month: Custom pricing (Custom annually)

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Paid Plan Features (15k - 5M emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages (Create hosted signup pages and attach a custom domain.)
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Enterprise Plan Features (Unlimited emails)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Important Pricing Notes

  • You only pay for emails you send — unlimited contacts on all plans
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com