- Pick it if you are:
- Very small businesses with under 250 contacts
- Top complaint:
- Free plan gutted from 2000 to just 250 contacts
- Price:
- Free plan, paid from $13/mo
- Pick it if you are:
- Small businesses on a tight budget; Small Shopify or WooCommerce stores
- Top complaint:
- Sender account suspended without warning
- Price:
- Free plan, paid from $9/mo
Score Comparison
Signals Comparison
Mailchimp
- Free plan gutted from 2000 to just 250 contacts(9/10)
- Pricing explodes as subscriber list grows(9/10)
- Billing continues after account deletion(8/10)
- Advanced features require expensive paid plans(7/10)
- Forced upgrades by restricting accounts before limits reached(7/10)
Sender
- No refund after suspension or for unused plans(8/10)
- Automatic upgrade to a bigger plan at renewal(6/10)
- Unused email credits are lost when you downgrade(5/10)
Mailchimp
- Customer service is nonexistent with no phone support(9/10)
Sender
No signals
Mailchimp
- Emails frequently land in spam or promotions folders(9/10)
Sender
- Sender account suspended without warning(9/10)
- Suspension thresholds are much stricter than people expect(8/10)
Mailchimp
- Email builder has clunky formatting and weird quirks(7/10)
Sender
- Templates are limited and look dated(4/10)
- Popup forms not showing on the website(4/10)
Mailchimp
- Advanced features like automation are confusing to set up(6/10)
Sender
- Automation and segmentation feel too light for advanced marketers(5/10)
Mailchimp
- Accounts suspended without clear explanation(8/10)
Sender
No signals
Mailchimp
- Platform runs slow with large contact lists(6/10)
Sender
- Sender emails going to spam(7/10)
Mailchimp
- E-commerce sync creates duplicate contacts(5/10)
Sender
- Integrations are thinner than Mailchimp or Klaviyo(4/10)
Mailchimp
No signals
Sender
- Account verification blocks sending at the start(6/10)
- Cold outreach and purchased lists get accounts shut down(7/10)
Pricing Comparison
Mailchimp
Users: 1 user, 1 audience
Storage: Not specified
Limits: 250 contacts, 500 emails/month and 250/day, no automation flows, no A/B testing or scheduling, basic segmentation only, limited templates, no phone support
Users: 3 users
Storage: Not specified
Limits: Limited automation, no advanced segmentation, basic reporting, 3 audience limit
Users: 5 users
Storage: Not specified
Limits: Some advanced features still limited, 5 audience limit
Users: Unlimited
Storage: Not specified
Limits: Extremely expensive for what you get compared to alternatives
Sender
Users: 1 seat
Storage: 2,500 subscribers, 15,000 emails/month
Limits: Sender branding, 1 seat, no A/B testing, no SMS campaigns, no auto-resend to non-openers, no custom domain for landing pages
Users: 3 seats
Storage: From 500 subscribers (6,000 emails/month)
Limits: No advanced automation or advanced reports, no priority support
Users: 3 seats
Storage: From 500 subscribers
Limits: Discount for first-time users only
Users: 10 seats
Storage: From 500 subscribers (12,000 emails/month on entry tier)
Limits: No SSO or SLA (Enterprise only)
Users: 10 seats
Storage: From 500 subscribers
Limits: Discount for first-time users only
Storage: 5,000 email credits
Limits: Expensive per email compared with monthly plans
Users: Unlimited seats
Storage: Unlimited emails
Limits: Requires demo
Feature Comparison
| Feature | Mailchimp | Sender |
|---|---|---|
| Email campaigns All plans | ||
| Automation | ||
| Email automation Advanced automation on Professional | ||
| Marketing | ||
| Automation Limited on lower tiers | ||
| Landing pages All plans | ||
| SMS marketing Limited compared to dedicated platforms | ||
| Channels | ||
| SMS campaigns Paid plans, priced per country | ||
| Transactional email Included on Free | ||
| Testing | ||
| A/B testing Essentials and above | ||
| Lead capture | ||
| Popups and embedded forms | ||
| Audience | ||
| Segmentation Advanced on Standard+ | ||
| Integrations | ||
| 300+ integrations E-commerce, CRM, apps | ||
| Support | ||
| Phone support Premium only ($350+/mo) | ||
| Free migration support DIY only | ||
| Ecommerce | ||
| Shopify and WooCommerce integration Abandoned cart and purchase triggers | ||
| CRM | ||
| CRM features Very basic | ||
| Built-in CRM | ||
| Deliverability | ||
| Dedicated IP Professional with 20,000+ subscribers | ||
| Pricing | ||
| Generous free plan Only 250 contacts now | ||
| Contact-based pricing Charges for ALL contacts | ||
| Security | ||
| SSO Enterprise only | ||
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