Diction AI Voice Keyboard

Speak to Type and Edit

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Speech to text keyboard for iPhone. Tap mic, speak, get clean text in any app. No word limits, no daily caps. 99 languages. Voice your AI prompts. Speak into ChatGPT, Claude, Gemini, or any app. Diction inserts clean text wherever your cursor is. Customizable keyboard. Add keys, rename them, resize and reorder. Toggle visibility so keys only appear in edit mode. Make it yours. Tap-to-fix. Select a word and smart alternatives appear: spelling fixes, grammar corrections, better phrasing. One tap to accept. Save to My Words. Teach Diction your names and jargon for better accuracy over time. On-Device: voice to text that runs locally on your iPhone. Offline dictation. Audio never leaves your device. Self-Hosted: run your own speech recognition server. Your network, your data, your models. Open-source server on GitHub. Diction One (paid subscription): highest accuracy cloud models plus the best on-device model. Zero setup. AI Companion: turn natural speech into polished text, edit or rewrite by voice, translate on the fly. Select text and say what to change. Free trial included. Transcription history with search. Copy, retry, and review past dictations. Failed transcriptions retry automatically so nothing gets lost. Private voice input by design. AES-256 encryption with X25519 key exchange. The Diction app has zero analytics, zero tracking, zero data collection. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

  • 5.0
    out of 5
    4 Ratings

Your keyboard, your way. Customizable keyboard row: add, rename, resize, and reorder keys. Toggle visibility so keys only appear in edit mode. Tap-to-fix: select a word for instant smart suggestions. One tap to swap. Save to My Words: teach Diction your names and jargon for better accuracy over time. Diction One now includes both cloud and on-device models. Best accuracy online, full offline coverage when you're not. New models: Whisper Small and Nvidia Parakeet. Undo and redo for dictations and edits.

The developer, Ondrej Machala, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Ondrej Machala
    Size
    • 31.6 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 12 more
    • English, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Ondrej Machala