Legal
Copyright and licences
© 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.
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