
WhichLang
Which language is that?
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Free
About
Which language is being spoken right now? WhichLang listens through your microphone and shows you in real time which language is spoken around you – with its confidence, for over 90 languages.
Just open the app and it starts. No tapping, no setup, no sign-up.
• IDENTIFIES OVER 90 LANGUAGES
From German, English, Russian and Turkish to Ukrainian, Arabic, Chinese, Japanese and many more. WhichLang shows the three most likely languages with a percentage – great for gauging certainty even between similar languages.
• COMPLETELY OFFLINE
All recognition runs on your device. No audio ever leaves your iPhone, and the app works without internet – on a plane, on the subway, abroad.
• PRIVACY FIRST
Audio is never recorded, stored, or transmitted. The microphone is only active while the app is open. No account, no ads, no tracking.
• LIVE DISPLAY
A level visualization shows you that WhichLang is listening, and results update smoothly as people speak.
• HISTORY (optional)
If you like, WhichLang remembers which languages were detected and when – the result only, never audio. Deletable anytime, stays local on your device.
Perfect for travelers, language lovers, people in multilingual settings, and anyone who ever wondered: "What language is that?"
WhichLang is free and contains no ads.
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What's New in WhichLang
1.0.0
July 16, 2026


