# DO IT — Zero Decision Fitness

> DO IT is a free fitness app that removes decision fatigue from working out. Dark, clean, motivating. You open it, you do the work.

## About

DO IT is built by Supliful (supliful.com) as a personal fitness tool and supplement showcase. The app is available on iOS and web at dothework.fit.

## Core Features

- **Workout Library**: 9 categories, 67 exercises, 7 daily programs
- **Exercise Demo Videos**: 67 production exercise demo videos with dark studio aesthetic
- **Progress Tracking**: Progressive overload via best reps and last session data
- **Streak System**: Consecutive day tracking with rest day protection
- **Post-Workout Summary**: Volume stats, PRs, muscle groups hit, shareable cards
- **Equipment Profiles**: Gym / Home / Travel context — filters exercise suggestions
- **Difficulty Feedback**: Rate each workout; AI adapts future intensity
- **Rest Timer**: Per-exercise config (compound 3-4min, accessory 60-90s, auto-start)
- **Exercise Alternatives**: Same muscle group, one-tap swap

## Tech Stack

- Expo SDK 54 (React Native + Web)
- TypeScript
- Supabase (Auth, PostgreSQL, Storage)
- NativeWind (Tailwind CSS for React Native)
- Vercel (web hosting)

## Links

- Web App: https://dothework.fit
- App Store: https://apps.apple.com/us/app/do-it-do-the-work/id6759219860?uo=4
- Company: https://supliful.com
- Founder: Martins Lasmanis (@MartinLasmanis on X)

## Contact

- Email: martins@supliful.com
- X: https://x.com/MartinLasmanis