Email Marketing Platforms · reliability comparison
AWeber vs Mailchimp: which is more reliable? (2026)
AWeber is more reliable than Mailchimp, scoring 99.6 vs 55.1 out of 100. Over the last 90 days AWeber reported 1 incident and Mailchimp reported 7, with effective uptime of 100% and 99.28% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | AWeber | Mailchimp |
|---|---|---|
| Reliability score | 99.6 | 55.1 |
| Rank (email marketing platforms) | #4 | #13 |
| Uptime (90 days) | 100% | 99.28% |
| Incidents (90 days) | 1 | 7 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 1d 1h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where AWeber and Mailchimp differ
- Mailchimp reported 7× as many incidents as AWeber over the last 90 days (7 vs 1).
- AWeber's longest incident on record lasted 35m (Aug 28, 2026); Mailchimp's lasted 3d (Oct 9, 2026).
90-day uptime
AWeber
Mailchimp
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent AWeber incidents
- InformationalAug 28, 2026 · resolved in 35m
Affected: Sign Up Form Hosting
Recent Mailchimp incidents
- Degraded performanceOct 29, 2026 · resolved (duration not published)
Access Issues and Errors Across Mailchimp
Affected: Access Issues and Errors Across Mailchimp
- Degraded performanceOct 27, 2026 · resolved in 1d 2h
Access Issues and Errors Across Mailchimp
Affected: Access Issues and Errors Across Mailchimp
- Degraded performanceOct 9, 2026 · resolved in 10d 12h
Cropped Images Disappearing in Campaigns
Affected: Cropped Images Disappearing in Campaigns
- Degraded performanceSep 11, 2026 · resolved in 2h 37m
Delayed updates to All Contacts table
Affected: Delayed updates to All Contacts table
- Degraded performanceAug 13, 2026 · resolved (duration not published)
Campaign links resulting in "500" errors.
Affected: Campaign links resulting in "500" errors.
- Degraded performanceAug 4, 2026 · resolved (duration not published)
Affected: Campaign Click Tracking Issue
Other email marketing platforms to consider
- Drip · #1 · 100% uptime
- MailerLite · #2 · 100% uptime
- Omnisend · #3 · 100% uptime
- HubSpot Marketing Hub · #5 · 100% uptime
See the full most reliable email marketing platforms ranking →