Duolingo outage on December 21, 2025
On December 21, 2025, Duolingo had an incident recorded on Duolingo's official status page, lasting about 34 minutes. Here's what happened, in the provider's own words — DownRNdoesn't invent causes or durations.
critical
Duolingo is experiencing increased errors
- Started
- 9:24 AM ET
- Resolved
- 9:58 AM ET
- Duration
- 34 minutes
- Status
- resolved
Duolingo shares infrastructure with 10 other apps we track — outages like this can cascade. See what goes down with Duolingo.