Online Course Platforms · 2026 reliability ranking
Most Reliable Online Course Platforms (2026)
We ranked 15 online course platforms by real-world reliability over the last 90 days, using 50 status page incidents and our own around-the-clock uptime checks. A course platform hosts the creator's sales pages, checkout, student logins and video lessons, so an outage stops new sales and locks paying students out of content they bought. Problems hurt most during a launch or live cohort, when traffic peaks and a broken checkout or login turns into refunds and support tickets. Most platforms also rely on third-party payment, video and email providers, which adds more ways for things to break.
Last updated Nov 1, 2026 · How we score
| # | Vendor | Score | Uptime (90d) |
|---|---|---|---|
| 1 | CircleCircle is a community platform for creators and brands that combines discussions, courses, events, live streams and paid memberships.Visit site ↗ | 97.6 | 100% |
| 2 | UscreenUscreen is a video membership platform for selling on-demand video courses, live streams and subscriptions through branded web and TV apps.Visit site ↗ | 96.5 | 99.99% |
| 3 | Mighty NetworksMighty Networks is a platform for running paid communities, courses, events and memberships with branded mobile apps.Visit site ↗ | 95.7 | 99.98% |
| 4 | KajabiKajabi is an all-in-one platform for selling online courses, coaching, memberships and communities, with built-in websites and email marketing.Visit site ↗ | 94.3 | 100% |
| 5 | SimpleroSimplero is an all-in-one platform for selling online courses, coaching programs and memberships, with email marketing and checkout.Visit site ↗ | 94.2 | 99.96% |
| 6 | DiscoDisco is a learning platform for running cohort-based courses, academies and communities.Visit site ↗ | 93.2 | 99.97% |
| 7 | LearnWorldsLearnWorlds is a hosted learning management system for selling and delivering online courses, with white-label school sites and apps.Visit site ↗ | 93.1 | 99.96% |
| 8 | ThinkificThinkific is a hosted platform for creating, selling and delivering online courses and communities.Visit site ↗ | 91.3 | 99.94% |
| 9 | ThriveCartThriveCart is a checkout and cart platform for digital products that includes ThriveCart Learn for hosting online courses.Visit site ↗ | 91.2 | 99.93% |
| 10 | TeachableTeachable is a hosted platform for selling online courses, coaching and digital downloads.Visit site ↗ | 39.9 | 97.67% |
Online Course Platforms reliability at a glance
- Across the 10 ranked online course platforms, average 90-day uptime is 99.74%. Reliability scores range from 97.6 (Circle) to 39.9 (Teachable).
- Together they published 50 incidents in the last 90 days, 11 of them partial or major outages.
- The typical vendor takes 1h 41m to resolve an incident. Uscreen is fastest, at 19m on average.
- Kajabi reported the most incidents (16 in 90 days).
What to check before you choose a online course platform
- Look first at incidents affecting checkout and student login. Those cost sales and refunds; problems in the admin editor usually only slow you down.
- Check how video is delivered and whether lessons still play when the main app is degraded.
- Plan launches and live sessions with a fallback, such as a backup checkout link or a way to email students directly if the platform is down.
- Subscribe to the status page so you can tell students what is happening before they start asking for refunds.
90-day uptime history
Each bar is one day. Hover a bar for that day's uptime and incidents.
1. Circle
100% uptime · 6 incidents · avg resolve —2. Uscreen
99.99% uptime · 4 incidents · avg resolve 19m3. Mighty Networks
99.98% uptime · 2 incidents · avg resolve 1h 41m4. Kajabi
100% uptime · 16 incidents · avg resolve —5. Simplero
99.96% uptime · 1 incidents · avg resolve 1h 41m6. Disco
99.97% uptime · 2 incidents · avg resolve 3h 12m7. LearnWorlds
99.96% uptime · 2 incidents · avg resolve 2h 1m8. Thinkific
99.94% uptime · 5 incidents · avg resolve 1h 8m9. ThriveCart
99.93% uptime · 6 incidents · avg resolve 1h 34m10. Teachable
97.67% uptime · 6 incidents · avg resolve 14h 23m- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Being tracked (not ranked yet)
These vendors join the ranking once we have enough evidence: at least 14 days of data, and for vendors with a quiet status page (silent for a year, or for 90 days while their competitors report several incidents), 30 days of our own independent monitoring.
- Kartra · quiet status page, awaiting our own monitoring
- Stan · quiet status page, awaiting our own monitoring
- Podia · no public status page
- Skool · no public status page
- Systeme.io · no public status page
Recent Online Course Platforms incidents
Learner Hub Is Down - We've Identified the Problem
Affected: Thinkific Application
Degraded live streaming and video playback
Affected: Uscreen Video on Demand, Uscreen Live Streaming
Users reporting trouble loading platform
Affected: Platform
Affected: teachable.com
Intermittent Cart Pages & Sales Pages, checkout & account login performance between 3:52 - 4:01 UTC
Affected: Account Login & Dashboard, Checkouts & Payment Processing, Cart Pages & Sales Pages
Head-to-head comparisons
- Circle vs Uscreen reliability
- Circle vs Mighty Networks reliability
- Circle vs Kajabi reliability
- Circle vs Simplero reliability
- Uscreen vs Mighty Networks reliability
- Uscreen vs Kajabi reliability
- Uscreen vs Simplero reliability
- Mighty Networks vs Kajabi reliability
- Mighty Networks vs Simplero reliability
- Kajabi vs Simplero reliability
Related rankings
Frequently asked questions
What is the most reliable online course platform?
Based on the last 90 days of data, Circle is the most reliable online course platform we track, with a reliability score of 97.6/100 and 100% uptime.
How do you measure online course platform reliability?
We poll each vendor's public status page every few minutes, record every incident, and run our own uptime checks against each vendor's login and customer-facing pages. Uptime (40%), incident frequency (20%), average time to resolve (20%) and transparency (20%) combine into one score out of 100.
How often are these rankings updated?
Continuously. Status pages and uptime checks run every five minutes and scores are recalculated several times an hour.
Can vendors pay to rank higher?
No. Sponsored placements are clearly labelled, shown separately from the rankings and never change a vendor's score.