App Hosting Platforms · reliability comparison
Heroku vs Upsun (Platform.sh): which is more reliable? (2026)
Heroku is more reliable than Upsun (Platform.sh), scoring 91.0 vs 33.1 out of 100. Over the last 90 days Heroku reported 6 incidents and Upsun (Platform.sh) reported 7, with effective uptime of 99.95% and 95.58% respectively. Heroku resolves incidents faster on average (1h 43m).
Data updated Nov 1, 2026 · How we score
VS
| Metric | Heroku | Upsun (Platform.sh) |
|---|---|---|
| Reliability score | 91.0 | 33.1 |
| Rank (app hosting platforms) | #2 | #12 |
| Uptime (90 days) | 99.95% | 95.58% |
| Incidents (90 days) | 6 | 7 |
| Partial / major outages | 0 | 5 |
| Avg time to resolve | 1h 43m | 1d 12h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Heroku and Upsun (Platform.sh) differ
- Upsun (Platform.sh) reported 17% more incidents than Heroku over the last 90 days (7 vs 6).
- Upsun (Platform.sh) had 5 partial or major outages, compared with 0 for Heroku.
- Heroku fixes problems faster: 1h 43m on average, against 1d 12h for Upsun (Platform.sh) (20.9× quicker).
- Heroku's longest incident on record lasted 5h 4m (Oct 28, 2026); Upsun (Platform.sh)'s lasted 3d (Sep 11, 2026).
90-day uptime
Heroku
Upsun (Platform.sh)
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Heroku incidents
- Degraded performanceOct 28, 2026 · resolved in 5h 4m
- Degraded performanceSep 24, 2026 · resolved in 1h 28m
- Degraded performanceAug 25, 2026 · resolved (duration not published)
- Degraded performanceAug 18, 2026 · resolved (duration not published)
- Degraded performanceAug 10, 2026 · resolved in 20m
- Degraded performanceAug 6, 2026 · resolved in 2m
Recent Upsun (Platform.sh) incidents
- Partial outageOct 30, 2026 · resolved in 2h 41m
Investigating possible outage on console APIofficial update ↗
- Degraded performanceOct 21, 2026 · resolved in 3d 16h
- Partial outageSep 11, 2026 · resolved in 3d 1h
Partial outage on dedicated clusters running Adobe Commerceofficial update ↗
- Partial outageSep 4, 2026 · resolved in 3d 2h
- Partial outageSep 2, 2026 · resolved in 11h 28m
- Partial outageAug 26, 2026 · resolved in 10h 31m
Other app hosting platforms to consider
- DigitalOcean App Platform · #1 · 99.98% uptime
- Koyeb · #3 · 99.64% uptime
- Render · #4 · 99.71% uptime
- Netlify · #5 · 99.71% uptime