Email Marketing Platforms · reliability comparison

Kit (ConvertKit) vs Mailchimp: which is more reliable? (2026)

Kit (ConvertKit) is more reliable than Mailchimp, scoring 100.0 vs 55.1 out of 100. Over the last 90 days Kit (ConvertKit) reported 0 incidents and Mailchimp reported 7, with effective uptime of 100% and 99.28% respectively.

Data updated Nov 1, 2026 · How we score

MetricKit (ConvertKit)Mailchimp
Reliability score100.055.1
Rank (email marketing platforms)—#13
Uptime (90 days)100%99.28%
Incidents (90 days)07
Partial / major outages00
Avg time to resolve—1d 1h
Outages we detected00
Transparency score100/100100/100

Where Kit (ConvertKit) and Mailchimp differ

  • Kit (ConvertKit) reported no incidents in the last 90 days, while Mailchimp reported 7.

90-day uptime

Kit (ConvertKit)

Aug 5, 2026 – Oct 31, 2026: no dataNov 1, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Mailchimp

Aug 5, 2026 – Aug 12, 2026: no incidentsAug 13, 2026: 100% uptime, 1 incident (Degraded performance)Aug 14, 2026 – Sep 10, 2026: no incidentsSep 11, 2026: 98.36% uptime, 1 incident (Degraded performance)Sep 12, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 97.81% uptime, 1 incident (Degraded performance)Oct 10, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 11, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 12, 2026: 87.18% uptime, 1 incident (Degraded performance)Oct 13, 2026 – Oct 26, 2026: no incidentsOct 27, 2026: 94.68% uptime, 1 incident (Degraded performance)Oct 28, 2026: 88.47% uptime, 1 incident (Degraded performance)Oct 29, 2026: 100% uptime, 1 incident (Degraded performance)Oct 30, 2026 – Nov 2, 2026: no incidents
90 days ago99.294% average daily uptimeToday

Recent Kit (ConvertKit) incidents

No incidents reported by Kit (ConvertKit) in the last 90 days.

Full Kit (ConvertKit) reliability report →

Recent Mailchimp incidents

Full Mailchimp reliability report →

Other email marketing platforms to consider

See the full most reliable email marketing platforms ranking →