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Book your gym classes on your phone or your computer and sync them to your own calendar. Free, open source, no tracking. An unofficial client for gyms that use Sportivity.
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Use Zwift Click, Zwift Play, Shimano Di2, or any Bluetooth controller with MyWhoosh, Rouvy, Zwift, and more. Free to try on iOS, Android, Windows, and macOS.
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Managevity for Sportivity — an unofficial client for booking your gym classes and getting them into your own calendar, without the official app.
Taken from the repository README
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Read the full README ↗Managevity for Sportivity — an unofficial client for booking your gym classes and getting them into your own calendar, without the official app.
This project is not affiliated with or endorsed by b.o.s.s. or Sportivity. It uses the API that the platform itself documents publicly (
https://www.sportivity.com/rest-doc/), with your own member account. Use it for yourself and in moderation: book what you actually intend to attend.
Schedule per day, filtering by activity, class details
Booking, joining the waiting list, cancelling, favourites
One-way calendar sync: booked classes show up in your calendar and disappear when you cancel. Your choice of
The app only touches events it created itself.
How busy the gym is, news and notifications, invoices (PDF), your details, the language and channels your gym may use, contact details and house rules
Your membership: bring a guest, switch add-ons on or off, freeze, cancel or withdraw, top up your credit, pay outstanding invoices, and browse what the gym offers (including what your membership can switch to)
Everything that changes your membership or costs money asks first and shows what it means: what, from when, for how much. Cancelling and withdrawing ask twice; add-ons too, the second time with the gym's own terms. Paying happens in your browser, on your gym's payment page; the app itself never pays. A class that costs money is only booked after a confirmation that shows the amount.
Deliberately not included: taking out a new membership or converting one. That needs a signature and a bank account, and goes through your gym.
Platforms: Android, Linux and web.
Signing in with username demo and password demo opens a built-in demo environment with
made-up data. It never contacts the real server, nothing is really booked, and its state
resets when the app restarts. It exists so app-store reviewers (and curious people) can try
the app without a gym account.
The API sends no CORS headers, so a browser cannot reach it directly. The image therefore serves the web version and proxies the API on the same origin:
podman run --rm -p 8080:8080 ghcr.io/<owner>/managevity:latest
| Variable | Default | Meaning |
|---|---|---|
SPORTIVITY_UPSTREAM | https://www.sportivity.com | where /api/ goes |
NEXTCLOUD_UPSTREAM | (empty) | set to https://cloud.example.org to enable CalDAV sync in the browser; the proxy then serves /remote.php/dav/ |
UPSTREAM_CA_FILE | system bundle | CA bundle for the upstreams, for example with a private CA |
The proxy only knows these fixed upstreams and never forwards to a host taken from the
request. The image runs as non-root on port 8080 and has /healthz. In the browser your
password is never stored.
| Flutter | see environment.flutter in pubspec.yaml |
| State | Riverpod |
| Routing | auto_route |
| HTTP | dio |
| Storage | Hive (settings, cache), the platform keyring (passwords) |
flutter pub get
flutter gen-l10n
dart run build_runner build --delete-conflicting-outputs
flutter run -d linux
flutter test
tool/build-image.sh # web build + image managevity:dev
The source language of the localizations is English: lib/l10n/app_en.arb is the
template, app_nl.arb the Dutch translation.
tool/probe.dart records how the API behaves in real life (see the header of that
file). It writes to probe-out/, which does not belong in git: it contains your own
data.
Contributing: see CONTRIBUTING.md. Licence: GPL-3.0-or-later.