Online Course Platforms · reliability comparison
Disco vs Kartra: which is more reliable? (2026)
Kartra is more reliable than Disco, scoring 100.0 vs 93.2 out of 100. Over the last 90 days Disco reported 2 incidents and Kartra reported 0, with effective uptime of 99.97% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Disco | Kartra |
|---|---|---|
| Reliability score | 93.2 | 100.0 |
| Rank (online course platforms) | #6 | — |
| Uptime (90 days) | 99.97% | 100% |
| Incidents (90 days) | 2 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 3h 12m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Disco and Kartra differ
- Kartra reported no incidents in the last 90 days, while Disco reported 2.
- Disco's longest outage on record lasted 59m (Jul 3, 2026); Kartra's lasted 3h 35m (Nov 18, 2025).
90-day uptime
Disco
Kartra
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Disco incidents
- Degraded performanceOct 26, 2026 · resolved in 3h 12m
Users reporting trouble loading platform
Affected: Platform
- InformationalAug 6, 2026 · resolved in <1m
Recent Kartra incidents
No incidents reported by Kartra in the last 90 days.
Other online course platforms to consider
- Circle · #1 · 100% uptime
- Uscreen · #2 · 99.99% uptime
- Mighty Networks · #3 · 99.98% uptime
- Kajabi · #4 · 100% uptime
See the full most reliable online course platforms ranking →