ROJIN–Speech-to-Text

Real-time transcription for Japanese, Chinese, Cantonese, English. Floating subtitles and ruby/furigana. Transcribe while audio plays. All processing stays on your device

No purchase, no internet, no ads.

Core Features Multilingual offline ASR: Japanese, Mandarin, Cantonese, English—real-time speech-to-text without internet. Real-time translation : Speak and translate instantly, ideal for travel, class, meetings. AI-enhanced translation (Apple Intelligence devices): Higher-quality local AI translation on supported models. Fully on-device processing: No internet access; speech and text are handled and stored locally.

Privacy First No cloud upload; data stays on device. You can disable cellular/Wi-Fi access in system settings.

Low Latency, Offline Ready Perfect for classrooms, commuting, travel, interviews—especially in unstable network conditions.

Use Cases Lecture/class notes, meeting transcription, podcast/interview editing Travel communication, cross-language interaction, language learning Secure offline transcription in quiet/private settings

Open the app, select a language. Tap to record, get instant text.

System & Device Requirements ASR: iOS 16+ (latest version recommended) Real-time translation: iOS 18+ AI-enhanced translation: Requires Apple Intelligence support Features depend on device/system; speed and availability may vary.

Language Support Recognition: Japanese / Mandarin / Cantonese / English Interface & documentation: continuously improving

Privacy Notice This app does not access the internet or collect/upload any speech or text. All processing and data stay on your device (iOS system-level collection is unrelated to this app).