Kotoba—Voice Interpreter・Memos

Kotoba—Voice Interpreter・Memos is a books & reference app by Kotoba Technologies with 100,000+ downloads (about 198K estimated). +3.6K installs in the last 7 days. Released Jan 14, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “"Kotoba" is a real-time voice simultaneous translation app developed by Kotoba Technologies, aiming to deliver the "world's best simultaneous translation experience." The app is built around Kotoba’s proprietary speech AI model, “Koto,” which supports our core translation languages, combined with external AI…”