Updated September 28, 2026
Constant Contact
Keap

Constant Contact vs Keap

Email Marketing vs Crm + Automation

8
Features Compared
3
Key Differences
8
FAQs Answered
TL;DR

Constant Contact ($110/month) very beginner-friendly. Keap ($299/month) all-in-one crm + marketing + sales. Choose based on whether you need very or all-in-one.

Key Differences

The main things that set these tools apart

Pricing
Constant Contact wins

Constant Contact is more affordable at $110 compared to Keap at $299 for 10,000 subscribers. The price difference reflects their different feature sets and target audiences.

Automation
Keap wins

Keap offers more powerful automation capabilities with advanced. Constant Contact provides basic, which is more accessible but less powerful for complex use cases.

Core Strength

Constant Contact's key advantage is very beginner-friendly. Keap stands out with all-in-one crm + marketing + sales. Your choice depends on which strength matters more to your business.

Pricing Comparison

At 10,000 subscribers

Constant Contact
$110/month

Standard plan with automation and reporting

Visit Constant Contact
Keap
$299/month

Pro plan with CRM, automation, and pipeline

Visit Keap
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

8 features compared side-by-side

Feature
Constant Contact
Keap
Sequenzy
Email & Automation
Email automation
Basic
Advanced
Visual workflow builder
Basic
Advanced
A/B testing
Subject line only
Limited
Segmentation
Basic
Good
Platform & Extras
CRM
Basic contact management
Full CRM with sales pipeline
SMS marketing
Available
Text messaging built-in
Paid add-on (US/Canada)
Analytics & reporting
Basic
Business-focused
API access

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
Keap
MCP server
Claude/ChatGPT app onlyHosted

No public MCP server. The official Keap connector in Claude (beta) manages contacts and tags.

MCP docs
CLINoneAPIREST (v1, v2) and XML-RPC
Through its MCP (0 of 14)

Nothing through an official MCP.

API only

Create and update contacts, Add contacts to lists or tags, Trigger automations, Send transactional email, 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)

Keap
Contacts and custom fields
Yes

Contacts > People > select > Export (CSV); tags and notes not included

Keap docs
Unsubscribes and bounces
Not confirmed

Not documented as export filter; per-address status via API GET /v2/emailAddresses/{email}/status

Keap docs
Templates as HTML
Yes

Email Builder three-dot menu > Export HTML

Keap docs
Automations
No

Old Marketplace campaign export disabled Dec 1, 2025; Solution Launchpad is Keap-to-Keap deployment

Open and click history
Yes

API GET /v2/emails lists sent emails per contact with opened_time and clicked_time

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

Constant Contact

Pros
  • Very beginner-friendly
  • Event marketing tools
  • Good deliverability
  • Phone support
  • Social posting
Cons
  • Basic automation
  • Limited segmentation
  • Dated interface
  • Expensive for features offered
  • No advanced workflows

Keap

Pros
  • All-in-one CRM + marketing + sales
  • Appointment scheduling
  • Invoicing and payments
  • Phone line included
  • Powerful automation
Cons
  • Very expensive
  • Steep learning curve
  • Dated interface
  • Complex setup
  • Overkill for email-only needs

What Users Say

Reviews from Trustpilot, linked to the source

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.”

Trustpilot

“Leaving Keap has been a day I celebrated with cake, hugs and cheers--for years to come. I NEVER leave bad reviews but Keap using the misnomer Thyrv has been the bane of my company's existence since we started with it.”

Terry HollowellView on Trustpilot
Trustpilot

“I've used Keap for about 4 years and have run into a pattern of issues. Without any proactive warning, Keap's system auto-opted out around 700 of my 800 subscribers because I hadn't sent a recent newsletter.”

Merit Solara DuranView on Trustpilot

Best For

When to choose each tool

Choose Constant Contact if you...
  • Small businesses and nonprofits
  • Event-based organizations
  • Beginners wanting phone support
  • Local businesses
Choose Keap if you...
  • Service businesses wanting all-in-one
  • Consultants and coaches
  • Small businesses needing CRM + email + invoicing
  • Companies wanting appointment booking

When to Consider Sequenzy Instead

SaaS-Focused Features

Unlike Constant Contact and Keap, Sequenzy is built specifically for SaaS companies with native Stripe integration, subscription-based automation triggers, and unified transactional + marketing email.

Simpler Pricing

At $49/month for 60k emails (unlimited subscribers), Sequenzy is more straightforward than both Constant Contact and Keap. Every feature on every plan, no feature gating.

Unified Email Stack

Sequenzy keeps campaigns, automated sequences, and transactional email in one product, so product messages do not need a separate tool alongside your newsletters.

Beginner-friendly email or small-business CRM

Constant Contact and Keap both serve small businesses, but the scope is different. Constant Contact is for simple campaigns, events, newsletters, and list communication. Keap is for CRM, contact follow-up, appointments, quotes, invoices, and sales automation.

Choose Constant Contact when email updates are the job. Choose Keap when managing customers and sales follow-up is the job.

Pricing reality

At 10,000 subscribers, this page compares Constant Contact at $110/month with Keap at $299/month and Sequenzy at $49/month. Keap's premium is only defensible when the CRM, appointments, payments, and sales automation are actually replacing other business systems.

Review signals

The existing reviews are from G2 and Capterra. Constant Contact is praised for beginner-friendly event marketing. Keap is praised for all-in-one CRM, marketing, sales, and appointment scheduling. Use those reviews to check whether the business needs simple email or operational CRM depth.

Use-case matchups

Need Better fit Why
Simple newsletters and event emails Constant Contact Constant Contact is easier for beginner-friendly campaigns.
CRM, appointments, invoices, and client follow-up Keap Keap is built around small-business operations.
Local business or nonprofit updates Constant Contact It keeps the email workflow simple.
Service-business sales process Keap Keap is stronger when contact management and follow-up matter.
SaaS lifecycle and transactional email Sequenzy Sequenzy focuses on product and subscription messages.

Best Fit by Operating Workflow

Best email marketing tool for simple small-business campaigns

Constant Contact is the better fit when the business needs newsletters, event emails, promotions, forms, and approachable support. It is especially practical when the team does not want to maintain pipeline data, appointment records, invoices, and sales tasks inside the email tool.

Best email marketing tool for service-business CRM

Keap is the better fit when the buyer manages leads, consultations, appointments, quotes, invoices, and follow-up sequences from one system. Its higher price needs to replace real sales admin work, not just send newsletters.

Best email marketing tool for SaaS lifecycle and transactional email

Sequenzy is the better fit when subscribers are product users and subscription accounts, not local leads moving through a service pipeline. Billing events, account state, transactional messages, and lifecycle sequences are the buying reason.

Migration checklist

Step What to confirm
Contact and CRM data Export contacts, lists, tags, custom fields, pipeline stages, unsubscribes, bounces, consent, and suppression records.
Event/email assets If leaving Constant Contact, replace templates, forms, event registration, social posts, surveys, and phone-supported workflows.
Sales operations If leaving Keap, migrate appointments, invoices, payments, quotes, tasks, notes, pipeline history, and follow-up records.
Automations Rebuild newsletters, event follow-up, sales follow-up, booking, purchase, re-engagement, and suppression sequences.
Integrations Reconnect calendars, payment tools, CRM, forms, website, ecommerce, analytics, and support systems.
Reporting Preserve campaign, event, sales, invoice, appointment, subscriber-growth, and automation reports.

What to verify

For Constant Contact, verify whether simple campaigns and event tools are enough. For Keap, verify whether the business will use CRM and sales admin features. The wrong move is buying CRM complexity for list updates.

Decision checklist

Question Why it matters
Is email communication the job, or CRM operations? Constant Contact is simpler; Keap is broader and more expensive.
Will the team use appointments, invoices, payments, and pipeline tools? Keap's price needs operational replacement value.
Is phone support and event marketing enough? Constant Contact may cover less technical small-business needs.
What sales data must migrate? Moving out of Keap can involve pipeline, payment, task, and appointment history.
Is Sequenzy enough? SaaS teams need Stripe lifecycle email rather than small-business CRM features.

Where Sequenzy fits

Sequenzy fits SaaS teams that need transactional email, lifecycle sequences, newsletters, and Stripe-triggered automation. It is not a small-business CRM or event-email platform.

How to make the Constant Contact vs Keap decision

Constant Contact ($110/month) very beginner-friendly. Keap ($299/month) all-in-one crm + marketing + sales.

Decision area Pick Constant Contact when... Pick Keap when...
Primary workflow Its core strength matches the campaign you need next. Its core strength matches the campaign you need next.
Data model Your customer data already fits its segments and triggers. Your customer data already fits its segments and triggers.
Team ownership Someone can own setup, testing, and reporting inside the tool. Someone can own setup, testing, and reporting inside the tool.
Budget The price is justified by workflows you will use now. The price is justified by workflows you will use now.

My read: Constant Contact is the better choice if you need very beginner-friendly. Keap wins if you prioritize all-in-one crm + marketing + sales. For SaaS companies, Sequenzy offers Stripe-native automation at $49/month, which may be a better fit than either.

Frequently Asked Questions

8 questions answered about Constant Contact vs Keap

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.

The Stand Comedy Club

The Stand Comedy Club

Edinburgh, Glasgow & Newcastle

I'd been looking for an alternative transactional and marketing email platform for some time, and I'm really glad I came across Sequenzy. The system is easy to configure and use, the email builder is excellent, and the API integration and documentation are first class. Best of all, the support is exceptional. Nic is always available, responds quickly, and is genuinely keen to improve the platform. We've had numerous feature requests implemented incredibly quickly, and any issues we've encountered have been resolved almost immediately. The AI integration is also genuinely useful, rather than feeling like it's been added simply for the sake of having AI. We've already seen improved open and click rates compared with our other providers, and the platform offers excellent value for money. Highly recommended - definitely worth trying. Anything I had disliked about the system has already been addressed. We had improvements made to the email builder and we had team/user access controls expanded just by asking. The turn around time for making these changes has been very impressive.

Oct 7, 2026

G2
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%.

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.

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

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
  • 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
  • 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
  • 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