Online Course Platforms · reliability comparison
Circle vs Disco: which is more reliable? (2026)
Circle is more reliable than Disco, scoring 97.6 vs 93.2 out of 100. Over the last 90 days Circle reported 6 incidents and Disco reported 2, with effective uptime of 100% and 99.97% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Circle | Disco |
|---|---|---|
| Reliability score | 97.6 | 93.2 |
| Rank (online course platforms) | #1 | #6 |
| Uptime (90 days) | 100% | 99.97% |
| Incidents (90 days) | 6 | 2 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 3h 12m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Circle and Disco differ
- Circle reported 3× as many incidents as Disco over the last 90 days (6 vs 2).
- Circle's longest outage on record lasted 3h 28m (May 28, 2026); Disco's lasted 59m (Jul 3, 2026).
90-day uptime
Circle
Disco
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Circle incidents
- InformationalOct 5, 2026 · resolved in <1m
Affected: Sign-up & Login, Posts & Comments, Notifications, Direct Messaging & Chat, Paywalls & Member Billing, Live Streams & Rooms +5 more
- InformationalOct 3, 2026 · resolved in 5m
- InformationalSep 1, 2026 · resolved in 44m
- InformationalAug 27, 2026 · resolved in 1m
Affected: Sign-up & Login, REST API, Circle iOS App, Posts & Comments, Circle Android App, Notifications +11 more
- InformationalAug 20, 2026 · resolved in <1m
- InformationalAug 19, 2026 · resolved in 16m
Recent Disco incidents
- Degraded performanceOct 26, 2026 · resolved in 3h 12m
Users reporting trouble loading platform
Affected: Platform
- InformationalAug 6, 2026 · resolved in <1m
Other online course platforms to consider
- Uscreen · #2 · 99.99% uptime
- Mighty Networks · #3 · 99.98% uptime
- Kajabi · #4 · 100% uptime
- Simplero · #5 · 99.96% uptime
See the full most reliable online course platforms ranking →