筋トレ - Workout Tracker
Free PWA workout tracker-no app store,no paywall, just lift.
What it does
Built by a 21-year-old university student who got tired of bloated fitness apps. Kintore tracks weight training, cardio, and body weight — with PR detection, streak tracking, and progress graphs. No download needed. Works on any smartphone as a PWA. Just open the link and tap "Add to Home Screen". 100% free. Built with Firebase + vanilla JS.
Does the same job
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Hi HN, My motivation for this came from frustration with existing workout trackers. Most felt clunky, hid core features like performance graphs behind a paywall, or forced a native app download. A few people close to me who take their training seriously shared the same sentiment, so I decided to build my own. I'm working on mTOR, a free, science-based workout tracker I built to automate progressive overload. It's a local-first PWA that works completely offline, syncs encrypted between your devices using passwordless passkeys, and allows for plan sharing via a simple link. The core idea is to…
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