Email Marketing Platforms · reliability comparison
Constant Contact vs Kit (ConvertKit): which is more reliable? (2026)
Kit (ConvertKit) is more reliable than Constant Contact, scoring 100.0 vs 90.6 out of 100. Over the last 90 days Constant Contact reported 4 incidents and Kit (ConvertKit) reported 0, with effective uptime of 99.92% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Constant Contact | Kit (ConvertKit) |
|---|---|---|
| Reliability score | 90.6 | 100.0 |
| Rank (email marketing platforms) | #8 | — |
| Uptime (90 days) | 99.92% | 100% |
| Incidents (90 days) | 4 | 0 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 1h 41m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Constant Contact and Kit (ConvertKit) differ
- Kit (ConvertKit) reported no incidents in the last 90 days, while Constant Contact reported 4.
- Constant Contact had 1 partial or major outage, compared with 0 for Kit (ConvertKit).
90-day uptime
Constant Contact
Kit (ConvertKit)
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Constant Contact incidents
- Degraded performanceOct 1, 2026 · resolved in 57m
Delays in email campaign sending
Affected: Email Campaigns
- Degraded performanceSep 16, 2026 · resolved in 30m
Slow website navigation and email delivery
Affected: Email Campaigns
- Degraded performanceSep 14, 2026 · resolved in 3h 33m
Unable to view partner organization reporting
Affected: Reporting
- Partial outageSep 2, 2026 · resolved in 1h 45m
Affected: Login
Recent Kit (ConvertKit) incidents
No incidents reported by Kit (ConvertKit) in the last 90 days.
Other email marketing platforms to consider
- Drip · #1 · 100% uptime
- MailerLite · #2 · 100% uptime
- Omnisend · #3 · 100% uptime
- AWeber · #4 · 100% uptime
See the full most reliable email marketing platforms ranking →