TGSpeechBox is made and published by Tamas Geczy. AppBrain is an independent app data site and isn't affiliated with Tamas Geczy. The app name, icon, screenshots and description belong to Tamas Geczy and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- April 3, 2026
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Releases
Updates seen on the App Store- Version
- 3.0.1
- Launched
- March 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 32.6 MB
- Content rating
- Everyone
Technologies used by TGSpeechBox
About the app and developer
About TGSpeechBox
TGSpeechBox is an utilities app developed by Tamas Geczy.
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The app has no ratings yet.
App Information
TGSpeechBox is freely available from the App Store. The app size is 32.63 MB. The latest version available is 3.0.1. The last update was on April 3, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Tamas Geczy
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Store listing
By Tamas Geczy, from the App Store
Description by Tamas Geczy Written by the developer, not by AppBrain. Click to read.
Features:
• 26 languages with natural-sounding speech
• Full VoiceOver integration — use as your primary system voice
• 7 voice presets plus YAML-defined voice profiles
• Deep engine tuning: pitch mode, voice tone, formant sharpness, inflection, tremor, breathiness, and more
• Phoneme editor: fine-tune individual speech sounds with live preview
• Pronunciation dictionary: add custom word pronunciations with IPA override support
• Stress, compound, and character dictionaries for advanced control
• Export and share your customizations
• Adjustable sample rate (11025–44100 Hz)
• Rate override and rate boost for VoiceOver
• Language lock: keep your preferred language regardless of system setting
• Runs entirely on-device — no internet required, no data leaves your phone
TGSpeechBox uses a Klatt-style formant synthesis engine with eSpeak-ng for phoneme generation. It is open source under the MIT license.
Built by a blind developer, designed for accessibility from day one.