Marketing Automation & CDPs · reliability comparison
Iterable vs Optimove: which is more reliable? (2026)
Iterable is more reliable than Optimove, scoring 93.7 vs 80.0 out of 100. Over the last 90 days Iterable reported 4 incidents and Optimove reported 1, with effective uptime of 99.96% and 99.88% respectively. Iterable resolves incidents faster on average (1h 12m).
Data updated Nov 1, 2026 · How we score
| Metric | Iterable | Optimove |
|---|---|---|
| Reliability score | 93.7 | 80.0 |
| Rank (marketing automation platforms) | #3 | #6 |
| Uptime (90 days) | 99.96% | 99.88% |
| Incidents (90 days) | 4 | 1 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 1h 12m | 15h 59m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Iterable and Optimove differ
- Iterable reported 4× as many incidents as Optimove over the last 90 days (4 vs 1).
- Iterable fixes problems faster: 1h 12m on average, against 15h 59m for Optimove (13.4× quicker).
- Iterable's longest outage on record lasted 40m (Jul 16, 2026); Optimove's lasted 11h 21m (Jan 23, 2026).
90-day uptime
Iterable
Optimove
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Iterable incidents
- Degraded performanceOct 28, 2026 · resolved in 29m
Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends
Affected: Global Campaign Sends
- Degraded performanceSep 22, 2026 · resolved in 56m
Timeouts on User Update API Endpoints
Affected: Global API Success
- Degraded performanceSep 10, 2026 · resolved in 2h 23m
EU platform slowness and gateway errors
Affected: Global Web Application, Global API Success, Global Journey Processing
- Degraded performanceSep 1, 2026 · resolved in 58m
Subset of customers using Twilio for SMS seeing a portion of messages getting droppped
Affected: Global Campaign Sends
Recent Optimove incidents
- Degraded performanceAug 7, 2026 · resolved in 15h 59m
Optimail | Campaign Execution Issue
Affected: Optimail
Other marketing automation platforms to consider
- HubSpot Marketing Hub · #1 · 100% uptime
- Customer.io · #2 · 99.99% uptime
- RudderStack · #4 · 99.94% uptime
- Hightouch · #5 · 99.92% uptime
See the full most reliable marketing automation & customer data platforms ranking →