A minimal desktop nutrition tracker. Built for people who know their macros.
Free · Open source · macOS · Windows · Linux
A native desktop window. No tabs to find, no app to install on your phone, no account to forget.
No onboarding quizzes. No goal-setting wizards. No motivational pop-ups. Just the few things you actually want a tracker to do.
One clean view per day. Step through your week — yesterday, today, the day before.
Register a food once with its macros. Log it forever with one click.
Rings, charts, streaks. Your week, at a glance — without spreadsheets.
Cmd+K opens the universe. Add anything in under a second.
All data stays local. No cloud, no account, no telemetry. Just SQLite.
Copy a day to Markdown for your notes or CSV for your spreadsheet. PDF for your dietitian is on the way.
Press ⌘K from anywhere. Start typing — Prowtein matches against your library and your most-eaten foods first. Hit return. Logged.
Add a food once — name, macros, default serving. From then on, it's two keystrokes to log. Your most-used foods float to the top automatically.
Seven days, seven bars, one streak. No badges, no confetti — just a quiet record of what you've been doing.
For a while, my food log was a .txt file pinned to my second monitor — one line per meal, yesterday's copied down, the numbers fixed by hand. It worked. It was also quietly miserable.
So I built the thing I actually wanted: local, fast, no account, no streak guilt-trips. Open it, type three letters, hit return, get back to work. Your data stays a SQLite file on your machine — nobody's business but yours.
Prowtein was vibe-coded with Claude — I described the feel, iterated on the details, shipped it. No roadmap meetings, no committee. Just a tool that respects your time and your food log.
Native binary. No installer wizards, no Electron bloat — under 3 MB and ready in seconds.
x64 · .exe · 1.9 MB
Universal · .dmg · 4.7 MB
x64 · .AppImage
Yes. Free, no trial, no premium tier. The source is on GitHub under MIT — clone it, audit it, fork it.
Locally, in a single SQLite file in your OS's app-data directory. You can copy it anywhere, back it up to your own cloud, or move it between machines manually.
Not yet, and probably not ever as a hosted service. The plan: let you point Prowtein's data file at iCloud Drive / Dropbox / Syncthing and get sync for free — without us holding your food log.
Always. Prowtein doesn't need an internet connection. There's no 'log in' screen because there's no account.
MIT-licensed, built with Tauri (a Rust core) and React. The source is on GitHub — feel free to read and fork it.