Duolingo Outage History

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Duolingo had 14 outages in the last 2 years totaling 15h 1m of downtime — averaging 0.6 incidents per month.

There were 14 Duolingo outages since June 20, 2025 totaling 15h 1m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.duolingo.com

Major June 9, 2026

Duolingo Android app issues

Detected by Pingoru
Jun 09, 2026, 06:43 PM UTC
Resolved
Jun 09, 2026, 07:16 PM UTC
Duration
32m
Affected: Duolingo
Timeline · 6 updates
  1. investigating Jun 09, 2026, 06:43 PM UTC

    We are investigating reports of issues with the Duolingo Android app

  2. investigating Jun 09, 2026, 06:44 PM UTC

    We are continuing to investigate this issue.

  3. identified Jun 09, 2026, 06:59 PM UTC

    The issue has been identified and a fix is being implemented.

  4. identified Jun 09, 2026, 07:00 PM UTC

    We have identified the issue and are implement a fix.

  5. monitoring Jun 09, 2026, 07:08 PM UTC

    A fix has been implemented and we are monitoring the results.

  6. resolved Jun 09, 2026, 07:16 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice May 27, 2026

Issues with Video Call and Roleplay

Detected by Pingoru
May 27, 2026, 04:22 PM UTC
Resolved
May 27, 2026, 05:55 PM UTC
Duration
1h 33m
Affected: Duolingo
Timeline · 2 updates
  1. investigating May 27, 2026, 04:22 PM UTC

    We are investigating errors with video call and role play.

  2. resolved May 27, 2026, 05:55 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical May 26, 2026

Duolingo is experiencing increased errors

Detected by Pingoru
May 26, 2026, 08:36 PM UTC
Resolved
May 26, 2026, 09:21 PM UTC
Duration
45m
Affected: Duolingo
Timeline · 2 updates
  1. investigating May 26, 2026, 08:36 PM UTC

    We are currently investigating this incident.

  2. resolved May 26, 2026, 09:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 9, 2026

Issues with Video Call with Lily

Detected by Pingoru
Apr 09, 2026, 03:48 PM UTC
Resolved
Apr 09, 2026, 04:07 PM UTC
Duration
18m
Affected: Duolingo
Timeline · 2 updates
  1. investigating Apr 09, 2026, 03:48 PM UTC

    We are currently investigating an issue starting video calls with Lily.

  2. resolved Apr 09, 2026, 04:07 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 9, 2026

Issues starting Video Call with Lily

Detected by Pingoru
Apr 09, 2026, 12:47 AM UTC
Resolved
Apr 09, 2026, 01:17 AM UTC
Duration
29m
Affected: Duolingo
Timeline · 2 updates
  1. investigating Apr 09, 2026, 12:47 AM UTC

    We are investigating issues with learners being able to start video calls with Lily.

  2. resolved Apr 09, 2026, 01:17 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor February 11, 2026

Leaderboards are currently experiencing issues

Detected by Pingoru
Feb 11, 2026, 08:08 PM UTC
Resolved
Feb 11, 2026, 11:30 PM UTC
Duration
3h 21m
Affected: Duolingo
Timeline · 2 updates
  1. investigating Feb 11, 2026, 08:08 PM UTC

    We are investigating issues with leaderboards.

  2. resolved Feb 11, 2026, 11:30 PM UTC

    This incident has been resolved.

Read the full incident report →

Major September 13, 2025

Streak Progress Display Issue

Detected by Pingoru
Sep 13, 2025, 07:27 PM UTC
Resolved
Sep 13, 2025, 08:46 PM UTC
Duration
1h 18m
Affected: Duolingo
Timeline · 3 updates
  1. investigating Sep 13, 2025, 07:27 PM UTC

    We are aware of an issue causing some learners’ streaks to appear reset or display incorrectly. Our team is actively investigating the cause and working to restore affected streaks.

  2. monitoring Sep 13, 2025, 08:40 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Sep 13, 2025, 08:46 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 23, 2025

Video Call Performance Degraded

Detected by Pingoru
Jul 23, 2025, 05:55 PM UTC
Resolved
Jul 23, 2025, 06:08 PM UTC
Duration
13m
Affected: Duolingo
Timeline · 2 updates
  1. investigating Jul 23, 2025, 05:55 PM UTC

    We're investigating an issue with Video Call

  2. resolved Jul 23, 2025, 06:08 PM UTC

    This incident has been resolved.

Read the full incident report →

Major July 15, 2025

China Availability Impacted

Detected by Pingoru
Jul 15, 2025, 03:30 PM UTC
Resolved
Jul 15, 2025, 04:21 PM UTC
Duration
50m
Affected: Duolingo
Timeline · 3 updates
  1. identified Jul 15, 2025, 03:30 PM UTC

    Duolingo is currently experiencing unavailability in China. We are still investigating the cause.

  2. monitoring Jul 15, 2025, 03:50 PM UTC

    The service is recovering gradually.

  3. resolved Jul 15, 2025, 04:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 11, 2025

Elevated errors on Video Call with Lily

Detected by Pingoru
Jul 11, 2025, 10:55 AM UTC
Resolved
Jul 11, 2025, 12:56 PM UTC
Duration
2h 1m
Affected: Duolingo
Timeline · 2 updates
  1. investigating Jul 11, 2025, 10:55 AM UTC

    We are currently investigating this issue.

  2. resolved Jul 11, 2025, 12:56 PM UTC

    This incident has been resolved.

Read the full incident report →