Alternatives
Most reliable Customer.io alternatives (2026)
Customer.io has a reliability score of 96.2/100 with 99.99% uptime over the last 90 days. Here is how every alternative we track compares, ranked by reliability.
Marketing Automation & CDPs alternatives to Customer.io
| Alternative | Score | Uptime |
|---|---|---|
| HubSpot Marketing Hub#1 marketing automation platformVisit site ↗ | 96.2 | 100% |
| Iterable#3 marketing automation platformVisit site ↗ | 93.7 | 99.96% |
| RudderStack#4 marketing automation platformVisit site ↗ | 93.0 | 99.94% |
| Hightouch#5 marketing automation platformVisit site ↗ | 89.2 | 99.92% |
| Optimove#6 marketing automation platformVisit site ↗ | 80.0 | 99.88% |
| Census#7 marketing automation platformVisit site ↗ | 78.8 | 99.72% |
| Braze#8 marketing automation platformVisit site ↗ | 78.0 | 99.65% |
| MoEngage#9 marketing automation platformVisit site ↗ | 77.3 | 99.69% |
| Bloomreach Engagement#10 marketing automation platformVisit site ↗ | 67.3 | 99.39% |
| Klaviyo#11 marketing automation platformVisit site ↗ | 62.2 | 99.26% |
| Twilio Segment#12 marketing automation platformVisit site ↗ | 60.5 | 99.35% |
iGaming CRM & Player Engagement alternatives to Customer.io
| Alternative | Score | Uptime |
|---|---|---|
| Optimove#2 iGaming CRM platformVisit site ↗ | 80.0 | 99.88% |
| Braze#3 iGaming CRM platformVisit site ↗ | 78.0 | 99.65% |
| MoEngage#4 iGaming CRM platformVisit site ↗ | 77.3 | 99.69% |
| Bloomreach Engagement#5 iGaming CRM platformVisit site ↗ | 67.3 | 99.39% |