Data history

Duolingo — public data history

Every proposal, decision, dispute and demotion, with actor kind and source. Nothing is edited silently.

2026-07-11 10:44 Staff Verify One-time purchase option → no

2026-07-11 10:44 Staff Propose One-time purchase option → no https://apps.apple.com/us/app/duolingo-language-lessons/id570060128

2026-07-11 10:44 Staff Verify Kids mode → yes

2026-07-11 10:44 Staff Propose Kids mode → yes https://apps.apple.com/us/app/learn-to-read-duolingo-abc/id1440502568

2026-07-11 10:44 Staff Verify Spaced repetition → yes

2026-07-11 10:44 Staff Propose Spaced repetition → yes https://blog.duolingo.com/spaced-repetition-for-learning/

2026-07-11 10:44 Staff Verify Placement tests → yes

2026-07-11 10:44 Staff Verify Free tier limits → yes

2026-07-11 10:44 Staff Propose Free tier limits → yes https://blog.duolingo.com/is-duolingo-free/

2026-07-11 10:44 Staff Verify Live tutoring → no

2026-07-11 10:44 Staff Propose Live tutoring → no https://blog.duolingo.com/duolingo-max/

2026-07-11 10:44 Staff Verify Grammar explanations → partial

2026-07-11 10:44 Staff Propose Grammar explanations → partial https://blog.duolingo.com/does-duolingo-teach-grammar/

2026-07-11 10:44 Staff Verify Speaking practice → yes

2026-07-11 10:44 Staff Propose Speaking practice → yes https://blog.duolingo.com/guide-to-duolingo-practice-hub/

2026-07-11 10:44 Staff Verify Languages count → yes

2026-07-11 10:44 Staff Propose Languages count → yes https://blog.duolingo.com/2025-duolingo-language-report/

2026-07-11 10:44 Staff Verify dev_status → active

2026-07-11 10:44 Staff Propose dev_status → active https://blog.duolingo.com/2025-duolingo-language-report/

2026-07-11 10:44 Staff Verify platforms → ['Web', 'iOS', 'Android']

2026-07-11 10:44 Staff Propose platforms → ['Web', 'iOS', 'Android'] https://blog.duolingo.com/duolingo-101-how-to-learn-a-language-on-duolingo/

2026-07-11 10:44 Staff Verify starting_price → $83.99/year (~$6.99/mo, billed annually)

2026-07-11 10:44 Staff Propose starting_price → $83.99/year (~$6.99/mo, billed annually) https://apps.apple.com/us/app/duolingo-language-lessons/id570060128

2026-07-11 10:44 Staff Verify pricing_model → Freemium

2026-07-11 10:44 Staff Propose pricing_model → Freemium https://blog.duolingo.com/is-duolingo-free/

2026-07-11 10:44 Staff Verify license → Proprietary

2026-07-11 10:44 Staff Propose license → Proprietary https://apps.apple.com/us/app/duolingo-language-lessons/id570060128