Marketing Automation & CDPs · reliability comparison
CleverTap vs Customer.io: which is more reliable? (2026)
CleverTap is more reliable than Customer.io, scoring 100.0 vs 96.2 out of 100. Over the last 90 days CleverTap reported 0 incidents and Customer.io reported 5, with effective uptime of 100% and 99.99% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | CleverTap | Customer.io |
|---|---|---|
| Reliability score | 100.0 | 96.2 |
| Rank (marketing automation platforms) | — | #2 |
| Uptime (90 days) | 100% | 99.99% |
| Incidents (90 days) | 0 | 5 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 19m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where CleverTap and Customer.io differ
- CleverTap reported no incidents in the last 90 days, while Customer.io reported 5.
- CleverTap's longest outage on record lasted 3d (Mar 2, 2026); Customer.io's lasted 2h 42m (Jun 13, 2026).
90-day uptime
CleverTap
Customer.io
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent CleverTap incidents
No incidents reported by CleverTap in the last 90 days.
Recent Customer.io incidents
- Degraded performanceOct 27, 2026 · resolved in 25m
Customer.io UI is currently unavailable for some customers
Affected: Management Interface
- Degraded performanceSep 19, 2026 · resolved in 27m
Some US customers may experience delays in message sending
Affected: Message Sending
- InformationalSep 4, 2026 · resolved in 1h 19m
Reduced Deliverability to Microsoft-Hosted Email Addresses
Affected: Message Sending
- Degraded performanceSep 3, 2026 · resolved in 5m
- InformationalAug 5, 2026 · resolved in 26m
Customer.io UI is inaccessible
Affected: Management Interface
Other marketing automation platforms to consider
- HubSpot Marketing Hub · #1 · 100% uptime
- Iterable · #3 · 99.96% uptime
- RudderStack · #4 · 99.94% uptime
- Hightouch · #5 · 99.92% uptime
See the full most reliable marketing automation & customer data platforms ranking →