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Updated September 28, 2026
Iterable
Klaviyo

Iterable vs Klaviyo

Cross-Channel Orchestration vs E-Commerce Email

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

Iterable (Custom pricing) cross-channel orchestration. Klaviyo ($150/month) best-in-class e-commerce integration. Choose based on whether you need cross-channel or best-in-class.

Key Differences

The main things that set these tools apart

Pricing
Klaviyo wins

Klaviyo is more affordable at $150 compared to Iterable at Custom pricing for 10,000 subscribers. The price difference reflects their different feature sets and target audiences.

Automation

Both platforms offer comparable automation capabilities. Iterable provides advanced workflow studio while Klaviyo offers advanced (flows).

Core Strength

Iterable's key advantage is cross-channel orchestration. Klaviyo stands out with best-in-class e-commerce integration. Your choice depends on which strength matters more to your business.

Pricing Comparison

At 10,000 subscribers

Iterable
Custom pricing

Custom enterprise pricing. Typically $500+/month for small plans.

Visit Iterable
Klaviyo
$150/month

Email plan with flows, segments, and analytics

Visit Klaviyo
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
Iterable
Klaviyo
Sequenzy
Enterprise Capabilities
Marketing automation
Advanced Workflow Studio
Advanced (flows)
CRM integration
User profiles
E-commerce focused
Advanced segmentation
Advanced behavioral
Advanced behavioral
Multi-channel
Built-in
Built-in (extra cost)
Email, push, in-app + SMS add-on
Marketing Features
Landing pages
Basic
Reporting & attribution
Cross-channel analytics
Revenue-focused
A/B testing
AI-optimized
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.

Iterable
MCP server
Official, read and writeRuns locally

Beta, open source (npx @iterable/mcp), 109 tools. Read-only by default; PII, writes and sends opt-in per API key.

MCP docs
CLIOfficialAPIREST
Through its MCP (9 of 14)

Create and update contacts, Add contacts to lists or tags, Create campaigns, Send or schedule campaigns, Trigger automations, Create and edit templates, Send transactional email, Read campaign analytics, View or manage unsubscribes

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

Official Klaviyo MCP, remote (recommended) or local. Some tools local-only (create_event); several tool groups are beta.

MCP docs
CLIOfficialAPIREST (JSON:API)
Through its MCP (12 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 and edit templates, Read campaign analytics, View or manage unsubscribes, Set up sending domains, Create forms or landing pages

API only

Create A/B tests

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.

Iterable
Contacts and custom fields
Yes

Audience > Lists > list > Export As CSV File (choose fields); export API for user data

Iterable docs
Unsubscribes and bounces
Yes

Campaign Analytics > Export Events (bounces); export API with dataTypeName e.g. emailBounce

Iterable docs
Templates as HTML
Yes

API get email template returns HTML (GET /api/templates/email/get)

Iterable docs
Automations
Not confirmed

No journey export documented; journeys API lists and triggers only.

Open and click history
Yes

Export API data types emailOpen/emailClick etc. (CSV/JSON, async up to 100GB); GET /api/events/{email}

Klaviyo
Contacts and custom fields
Yes

Audience > Lists & Segments > Manage list > Export to CSV; choose all or selected properties. Owner/Admin/Analyst roles only.

Klaviyo docs
Unsubscribes and bounces
Yes

Audience > Profiles > Suppressed Profiles > Export CSV

Klaviyo docs
Templates as HTML
Yes

Content > Templates > template options menu > Export Template, copy HTML source

Klaviyo docs
Automations
Yes

No UI export per Klaviyo migration guide; Flows API (get_flow/create_flow) exposes Klaviyo-specific definitions, not portable elsewhere.

Open and click history
Yes

Events API or event bulk export job (per-profile opens/clicks); flow and campaign analytics export in UI

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

Iterable

Pros
  • Cross-channel orchestration
  • AI-powered send time optimization
  • Workflow Studio visual builder
  • Catalog and event-driven content
  • Strong data flexibility
Cons
  • Expensive enterprise pricing
  • Requires technical setup
  • Learning curve
  • Not ideal for small teams
  • Implementation timeline

Klaviyo

Pros
  • Best-in-class e-commerce integration
  • Powerful Shopify integration
  • Revenue attribution
  • Predictive analytics
  • Pre-built e-commerce flows
Cons
  • Expensive at scale
  • Focused on e-commerce
  • Learning curve for non-ecom
  • SMS costs extra
  • Limited for non-ecom use cases

What Users Say

Reviews from Trustpilot, linked to the source

Klaviyo Reviews

Trustpilot 1.6/5 from 369 reviews
Trustpilot

“To be fair I haven't had any experience with tech support yet. But have been using it for 2 years now and overall Im a big fan. Now that I compared it to GHL. They are different cos GHL is more of a CRM, but in terms of email campaigns and flow and integrations with Woocommerce Klaviyo has so much better interface and ease of use. Will update my review if things change”

IgorView on Trustpilot
Trustpilot

“Since the day when Klaviyo raised their prices extremely high I decided to cancel it. Now after almost 2 years I activated it and they suppressed almost all emails and force me to pay at least $720 monthly.”

Anton D.View on Trustpilot

Best For

When to choose each tool

Choose Iterable if you...
  • Mid-market to enterprise companies
  • Teams needing cross-channel
  • Data-driven marketing teams
  • Companies with complex customer journeys
Choose Klaviyo if you...
  • Shopify and e-commerce stores
  • DTC brands
  • Businesses wanting revenue tracking
  • Companies needing abandoned cart flows

When to Consider Sequenzy Instead

SaaS-Focused Features

Unlike Iterable and Klaviyo, 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 Iterable and Klaviyo. Every feature on every plan, no feature gating.

Unified Email Stack

Sequenzy runs marketing campaigns, automated sequences, and transactional email in one product, so you do not need to stitch two tools together to cover the same customer lifecycle.

Try Sequenzy Free

Cross-channel lifecycle or ecommerce retention

Iterable and Klaviyo can both run sophisticated lifecycle programs, but their center of gravity differs. Iterable is broader for cross-channel orchestration across product, lifecycle, and marketing teams. Klaviyo is more directly tied to ecommerce retention, especially when Shopify or commerce event data drives segments, flows, campaigns, SMS, and revenue reporting.

If the business is a commerce brand and the team wants fast access to store events, customer segments, and revenue attribution, Klaviyo is usually easier to justify. If the business needs a more general customer journey platform across products, apps, and non-commerce use cases, Iterable is the stronger fit.

Use-case matchups

Need Better fit Why
General cross-channel lifecycle orchestration Iterable Iterable is broader than ecommerce and fits complex journey programs.
Ecommerce email/SMS retention Klaviyo Klaviyo is built around commerce data, flows, segments, and revenue reporting.
Product-event-driven messaging outside ecommerce Iterable Iterable is more flexible for SaaS, apps, and mixed customer journeys.
Shopify-centric lifecycle marketing Klaviyo Klaviyo is more natural when Shopify events and store revenue are central.
SaaS subscription email Sequenzy Sequenzy fits billing-aware SaaS lifecycle email, not ecommerce SMS or enterprise orchestration.

What to verify

For Iterable, verify the event schema, implementation effort, journey ownership, and non-email channel needs. For Klaviyo, verify ecommerce platform fit, contact and send growth, SMS usage, attribution expectations, and whether the team is comfortable with a commerce-specific platform. The key is whether the data model starts with product events or store behavior.

Where Sequenzy fits

Sequenzy fits SaaS teams that need product and billing lifecycle email with transactional messages. It is not a replacement for Klaviyo's ecommerce retention suite or Iterable's cross-channel enterprise orchestration.

Pricing reality

Iterable is listed with custom enterprise pricing, typically $500+/month for small plans. Klaviyo is listed at $150/month at 10k subscribers. Klaviyo is easier to justify for commerce teams because pricing and value connect directly to store revenue. Iterable makes more sense when the journey program is broader than e-commerce and requires custom event data, channels, and orchestration.

Review signals

The cited Iterable review praises cross-channel orchestration and send-time optimization. The cited Klaviyo review praises Shopify integration. The reviews match the product split: Iterable for flexible lifecycle programs, Klaviyo for e-commerce retention and revenue attribution.

Best Fit by Customer Journey Scope

Best cross-channel lifecycle platform for non-commerce journeys

Iterable fits teams that need flexible orchestration across product events, apps, channels, experiments, and non-commerce lifecycle programs. It should be evaluated first when the customer journey is broader than store behavior and revenue attribution.

Best ecommerce retention platform for Shopify-first teams

Klaviyo fits commerce brands that want email/SMS retention, product events, flows, segments, and revenue reporting around store behavior. Choose it when Shopify, carts, purchases, and product data are the center of the lifecycle program.

Best SaaS email platform for subscription lifecycle and transactionals

Sequenzy fits SaaS teams that need product and billing lifecycle email with transactional messages. It is the focused option when Stripe events and subscriber state matter more than ecommerce SMS or enterprise cross-channel orchestration.

Migration checklist

Migration area Moving toward Iterable Moving toward Klaviyo
Profiles and data Model users, events, catalogs, attributes, consent, identifiers, and channel preferences. Export profiles, consent fields, lists, segments, purchase history, product catalog, and store events.
Automation Rebuild cross-channel lifecycle journeys, experiments, dynamic lists, and event-triggered campaigns. Rebuild abandoned cart, browse abandonment, post-purchase, win-back, product recommendation, and SMS flows.
Commerce setup Use catalogs and events for dynamic content if commerce still matters. Connect Shopify/WooCommerce, verify product feeds, tracking, order history, and attribution.
Channels Configure email, push, SMS, in-app, catalogs, and preferences. Configure email, SMS, forms, store sync, and ecommerce campaign templates.
Reporting Confirm lifecycle, channel, experiment, cohort, and retention reporting. Confirm flow revenue, campaign revenue, product performance, SMS, and attribution reporting.

Decision checklist

  • Choose Iterable if the customer journey is broader than commerce and needs flexible cross-channel orchestration.
  • Choose Klaviyo if Shopify/e-commerce revenue, product data, and retention flows are the main job.
  • Choose Sequenzy if the product is SaaS and needs Stripe-aware lifecycle email, not e-commerce or enterprise orchestration.

How to make the Iterable vs Klaviyo decision

Iterable (Custom pricing) cross-channel orchestration. Klaviyo ($150/month) best-in-class e-commerce integration.

Decision area Pick Iterable when... Pick Klaviyo 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: Iterable is the better choice if you need cross-channel orchestration. Klaviyo wins if you prioritize best-in-class e-commerce integration. 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 Iterable vs Klaviyo

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.

Sign up for SequenzySee All Features

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Written by , co-founder of 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: nic@sequenzy.com