Legal

Copyright and licences

Last updated: 6 October 2026

© 2026 Edgai Ltd. All rights reserved.
The EdgAI name, logo, app design, lessons, explanations and software written by Edgai Ltd are owned by Edgai Ltd and may not be copied or redistributed without permission.

Examination questions

WAEC examination questions remain the copyright of The West African Examinations Council. EdgAI is an independent study app. It is not affiliated with or endorsed by WAEC.

Open-source software and models

EdgAI is built with the open-source work below. Each is used under its own licence, and we are grateful to the people who make it.

Component Used for Licence
MiniCPM5-2B (OpenBMB) The tutor model, downloaded on first setup Apache-2.0
llama.rn and llama.cpp Running the tutor on your phone MIT
Piper Reading answers aloud GPL-3.0
eSpeak NG Turning words into speech sounds GPL-3.0
Piper voice "ljspeech" The reading voice Trained on the public-domain LJ Speech dataset
Sonic Speech speed Apache-2.0
ONNX Runtime Running the voice MIT
Model2Vec potion-base-8M Understanding what you type MIT
MathJax Drawing maths formulas Apache-2.0
SQLCipher via op-sqlite Encrypting your data on the phone BSD-style / MIT
react-native-quick-crypto Checking the lesson pack is genuine MIT
React Native, Expo, React Native SVG, Reanimated The app itself MIT

The full text of each licence is published with the component at the link above. For GPL-3.0 components, the exact source code we use, with our changes, is available on request from the contact below.

Contact

David Okocha, Edgai Ltd
davidokocha086@gmail.com