Why Calistenia?

Most fitness apps are paywalled, bloated, or cloud-locked. Calistenia is the opposite:

• 🤖 AI coach built in — get a personalized plan, ask questions, and let the app adjust your training and nutrition.
• 🏃 One app for everything — strength, calisthenics skills, cardio with GPS, nutrition, and habits, instead of five separate apps.
• 📵 Works offline — all your data writes fall back to local storage when you're off the grid. Nothing is lost.
• 🔓 Free & open source (MIT) — no subscription, no ads. Self-host it on a cheap VPS and own your data.
• 📲 Real native app + web PWA — install the Android APK or use it in any browser.

Get it now: gym.guille.tech/download (Android) or gym.guille.tech (web).

Features

💪 Training

• Structured 6-month program — 4 progressive phases (Base → Strength → Intensity → Peak) with daily workouts.
• Session tracking — step through exercises one by one, log sets, reps, and notes.
• Rest & isometric timers — auto-start rest countdowns and hold timers with audio + haptic cues.
• Form videos inline — tap any exercise to watch a tutorial without leaving the app.
• Circuits & HIIT — timed circuit/interval workouts with round tracking.

🥗 Nutrition

• Food & macro logging — track calories and macros, snap photos, and hit daily targets.
• AI nutrition scoring — quality feedback on what you eat, not just calorie counting.

🏃 Cardio

• Live GPS sessions — track route, distance, and pace on a map (MapLibre), with a foreground service so it keeps running in your pocket.
• Races & challenges — set distance goals and compete.

🎮 Engagement

• Gamification — streaks, badges, and achievements to keep you coming back.
• Social — comments and reactions on sessions, with push notifications.
• Reminders — local notifications so you never skip a workout.
• Home-screen widgets — today's workout, weekly cardio km, and a calories ring, right on your Android home screen.

Tech stack

A pnpm monorepo with shared business logic across native and web.

Repo layout

calistenia-app/
├── apps/
│   ├── mobile/      # Expo React Native app (Android APK + iOS)
│   └── web/         # React + Vite PWA
├── packages/
│   └── core/        # Shared hooks, data, locales
├── mcp-server/      # AI coach + MCP tools
├── pb_migrations/   # PocketBase schema migrations
└── pocketbase       # PocketBase binary

Getting started

Requires Node 20+ and pnpm 10+.

# 1. Install deps (whole monorepo)
pnpm install

# 2. Start PocketBase (backend + API)
pnpm pb:serve
# Admin UI: http://127.0.0.1:8090/_/  (create admin on first run)

# 3a. Run the web app
pnpm --filter @calistenia/web dev      # http://localhost:5173

# 3b. Run the mobile app
cd apps/mobile && pnpm start           # Expo dev server

Migrations in pb_migrations/ apply automatically on PocketBase start.

Mobile build (Android APK)

A GitHub Action (.github/workflows/build-mobile-apk.yml) builds the release APK and publishes it as a GitHub Release. The web download page fetches the latest release automatically.

# Trigger a release: bump version in apps/mobile/app.json, then
git tag mobile-v1.0.1 && git push origin mobile-v1.0.1

Deployment

The web app + PocketBase ship as a single Docker image (multi-stage build) and deploy via Dokploy + GitHub Actions on push to main. PocketBase serves both the API (/_/) and the static frontend from one port (8090). See Dockerfile and docker-compose.yml.

# Local smoke test
docker compose up --build      # http://localhost:8090

Contributing

Issues and PRs welcome. If Calistenia helps you train, a ⭐ on the repo goes a long way and helps others discover it.

License

MIT — see LICENSE.md. Use it, fork it, self-host it.