Official site for TrendFit — a free, privacy-first iOS app that turns your Apple Health workout data into clear, visual trend insights.
🌐 Live site: www.trendfitapp.com 📱 App Store: Download TrendFit
TrendFit (v1.5) analyzes your workouts entirely on-device — nothing is ever uploaded. Pick a workout and a metric, and a color-coded trend line shows at a glance whether you're improving.
| TrendFit | TrendFitStack | TrendFit Challenge |
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| Trend lines for any workout and metric, with zoomable charts | Compare workouts and metrics side by side | Set goals, track progress, get notified |
A static GitHub Pages site — vanilla HTML, CSS, and JavaScript. No build step, no dependencies. Pushes to main deploy automatically.
- Pages: home dashboard, FAQ, announcements, privacy policy, terms of service
- Content: FAQ, announcements, and policies render from JSON in
data/ - Styling: single stylesheet with a semantic design-token system and automatic dark/light themes
- Local dev: serve the folder with any static server (e.g. VS Code Live Server)
See CLAUDE.md for the full development guide and CHANGELOG.md for site history.
Questions or feedback: trendfitapp@gmail.com
© 2026 TrendFit. All rights reserved.