HeliBoard vs Sayboard
Side-by-side comparison of two open source alternatives
HeliBoard
HeliBoard is a privacy-conscious open-source keyboard, based on AOSP / OpenBoard. Does not use internet permission, and thus is 100% offline. Features: Add dictionaries for suggestions and spell check build your own, or get them here, or in the experimental section (quality may vary) additional dictionaries for emojis or scientific symbols can be used to provide suggestions (similar to "emoji search") note that for Korean layouts, suggestions only work using this dictionary, the tools in the dictionary repository are not able to create working dictionaries Customize keyboard themes (style, colors and background image) can follow the system's day/night setting on Android 10+ (and on some versions of Android 9) can follow dynamic colors for Android 12+ Customize keyboard layouts (only available when disabling use system languages) Customize special layouts, like symbols, number, or functional key layout Multilingual typing Glide typing (only with closed source library ☹️) library not included in the app, as there is no compatible open source library available can be extracted from GApps packages ("swypelibs"), or downloaded here (click on the file and then "raw" or the tiny download button) Clipboard history One-handed mode Split keyboard (only available if the screen is large enough) Number pad Backup and restore your settings and learned word / history data
Sayboard
This project provides a voice keyboard using Vosk. It is based on https://github.com/Felicis/vosk-android-demo. This app requires a Vosk model to run. You can use the built-in downloader or download manually from https://alphacephei.com/vosk/models, and then import into the app. Sayboard uses for the following permissions: INTERNET - to download the models. This permission is not required, and can be revoked through the device settings in compatible ROMs. Sayboard does not, and never will, send any of your information over the internet!. RECORD_AUDIO - well, this is a voice keyboard after all. POST_NOTIFICATIONS - to show download and import progress. FOREGROUND_SERVICE - to download and import models in the background.
| Feature | HeliBoard | Sayboard |
|---|---|---|
| License | GPL-3.0-only | GPL-3.0-only |
| Install sources | F-DroidGitHubIzzyOnDroid | F-DroidGitHub |
| Categories | ProductivityKeyboard | ProductivityKeyboard |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |