Release timeline

2026-06-04 live for 5 days

v1.15.1Current

107 MB (-21 MB) · 4.71★ · 2,181 ratings

• More reliable flashcard reviews • Improved speech recognition for more accurate conversations • Performance and stability improvements Thanks for learning with ISSEN!

2026-06-02 was live for 2 days

v1.15.0

127 MB (+1 MB) · 4.71★ · 2,122 ratings

- Faster, more reliable call startup so you can begin talking sooner. - Smoother flashcards with quicker loading and snappier audio. - Refreshed paywall and onboarding flow, plus UI fixes.

2026-05-14 was live for 15 days

v1.14.1

126 MB (+0 MB) · 4.71★ · 1,985 ratings

- Saved words now include part of speech and gender - Flashcards now include this information too - Saved words are now saved in their root forms - Added an extra example sentence for saved words - Configure the number of new cards - Fixed streak sharing

2026-05-05 was live for 7 days

v1.14.0

126 MB · 4.71★ · 1,904 ratings

- Faster call startup and lower voice latency. - Smoother lessons, drills, and flashcards. - Better word and phrase saving from transcripts. - Clearer subscription and purchase error messages. - UI polish and stability fixes across the app.

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The full development timeline shows price changes, ranking moves, rating shifts — with measured revenue impact.

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Version data captured during periodic snapshots — see release notes on the ISSEN - Voice Tutor profile for full app context.
Source: App Store / Google Play public metadata.

ISSEN - Voice Tutor — version history