Mailchimp vs Omnisend

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

Mailchimp

Intuit Mailchimp

Email & SMS Marketing Platform

Freemium

80% verification coverage

Omnisend

Email & SMS marketing for ecommerce

Freemium

80% verification coverage

Trust & Reliability

Mailchimp

Users:10M-50M

Customers (per vendor):Riot Fest, Stash Hotel Rewards, HC Brands +1

GDPR

Omnisend

Uptime:100.00%Status page

Users:100K-1M

Customers (per vendor):Salomon Japan, Creality, INGLOT Canada +7

GDPR

Overall Winner: Mailchimp

6.8/10 vs Omnisend at 5.8/10

Leads in:

Integration

Support

Ease of Use

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Mailchimp

6.8

avg score

Omnisend

5.8

avg score

Mailchimp leads overall — particularly in Support and Integration.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Mailchimp

6.8 / 10

Mailchimp

Best For

Small businesses managing early growth with core marketing features

E-commerce businesses looking to increase sales with personalized messages

Mid-market companies needing advanced automations and optimization tools

Non-profits and charities seeking discounts on marketing plans

Omnisend

Best For

Ecommerce brands looking for email and SMS marketing automation

Growing and medium-sized businesses focused on email marketing

High-volume senders needing advanced SMS capabilities

Businesses migrating from Klaviyo or Mailchimp seeking cost savings

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Mailchimp is best for

🤖Automation & Agents6.7📊Data & Analytics5.9🎧Customer Support5.0

Omnisend is best for

💻Coding & Dev7.0📊Data & Analytics6.7🤖Automation & Agents6.7

Filter by your use case:

Limitations

Mailchimp

Cons

SMS marketing is an add-on to paid plans and requires application and approval
Certain AI features and functionality are available in English only
Unused SMS credits expire each month and do not roll over.
Email support is only available for the first 30 days on the Free plan
Phone support is only available in English

Omnisend

Cons

SMS/MMS is available for US & Canada recipients only for MMS, while SMS is global
Free plan is limited to 500 emails/month and 250 contacts
Standard plan is limited to 6,000 emails/month and 500 contacts
Account expert support is only free for customers paying at least $400 per month

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Mailchimp

6.8

/ 10

Clear winner

Omnisend

5.8

/ 10

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Mailchimp

7.0▲ +1.0

Omnisend

6.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Mailchimp

7.0▲ +1.0

Omnisend

6.0

Support

How strong is the documentation, customer support, community, and learning resources?

Mailchimp

8.0▲ +2.0

Omnisend

6.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Mailchimp

9.0▲ +2.0

Omnisend

7.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Mailchimp

5.0

Omnisend

5.0

Performance

Calculated

Latency + throughput speed

Mailchimp

5.0

Omnisend

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Mailchimp

—

Omnisend

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Mailchimp

Task

Omnisend

8.0

Email Drafting

8.0

9.0

Follow Up Sequences

9.0

Newsletter Creation

9.0

8.0

Personalization

9.0

8.0

Subject Line Optimization

9.0

Template Management

8.0

9.0

Scheduling Automation

9.0

Analytics Tracking

8.0

4.0

Reply Handling

3.0

9.0

Campaign Creation

9.0

8.0

Audience Targeting

9.0

8.0

Performance Analytics

8.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Mailchimp and Omnisend?

Mailchimp — "Email & SMS Marketing Platform". Omnisend — "Email & SMS marketing for ecommerce". The Features section on this page compares them side by side.

Who is Mailchimp best for compared with Omnisend?

Mailchimp is best for Small businesses managing early growth with core marketing features; and for E-commerce businesses looking to increase sales with personalized messages. Omnisend is best for Ecommerce brands looking for email and SMS marketing automation; and for Growing and medium-sized businesses focused on email marketing.

How does the pricing of Mailchimp compare with Omnisend?

Mailchimp is freemium, includes a free plan, paid plans start at $13.1/month, offers a free trial. Omnisend is freemium, includes a free plan. Always verify current pricing with the vendor.

Does Mailchimp or Omnisend have a free plan?

Mailchimp has a free plan and offers a free trial. Omnisend has a free plan. Always verify current pricing with the vendor.

Do Mailchimp and Omnisend offer an API?

Mailchimp offers a public API. Omnisend offers a public API.

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