Licenses

Gradevo uses free software written by other developers. Their licenses require the copyright notices to be shipped along — here they are.

Muscle graphics (MIT)

The anatomical muscle paths in the heatmap come from the MuscleMap project, © Melih Colpan, published under the MIT license.

MIT License

Copyright (c) Melih Colpan

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Further open-source libraries

Gradevo currently uses 50 direct dependencies. Unless stated otherwise, these packages are licensed under the MIT license; the full license texts ship with the respective projects.

Expo and React Native

expo, expo-router, react, react-dom, react-native, react-native-web, react-native-screens, react-native-safe-area-context, react-native-gesture-handler, react-native-reanimated, react-native-worklets, react-native-svg, react-native-view-shot and react-native-url-polyfill.

Expo modules and app foundation

expo-apple-authentication, expo-auth-session, expo-constants, expo-crypto, expo-dev-client, expo-device, expo-document-picker, expo-file-system, expo-font, expo-glass-effect, expo-haptics, expo-image, expo-image-picker, expo-linear-gradient, expo-linking, expo-notifications, expo-quick-actions, expo-sharing, expo-splash-screen, expo-status-bar, expo-store-review, expo-symbols, expo-system-ui, expo-web-browser, @expo/vector-icons, @expo/ui and @react-native-async-storage/async-storage.

Services and data

@supabase/supabase-js, @sentry/react-native, react-native-purchases, react-native-health-connect, react-native-gifted-charts, react-native-reorderable-list and papaparse.

Fonts (SIL Open Font License 1.1)

The fonts Inter and Space Grotesk are bundled via @expo-google-fonts/inter and @expo-google-fonts/space-grotesk. The fonts themselves are licensed under the SIL Open Font License 1.1; the accompanying Expo packages additionally under the MIT license.

Exercise data

The exercise metadata is based on the free free-exercise-db database (Public Domain / Unlicense). Names, instructions and German translations were rewritten for Gradevo. The photos linked there are not used; every illustration in Gradevo is created independently.