Gainz is a powerful, easy-to-use workout tracker and nutrition logger built for athletes who want real insights — not just a log.

Whether you lift weights, run marathons, sprint, train for HYROX, or mix it all together — Gainz gives you the data to train smarter and progress faster.

TRACK EVERY WORKOUT
Log every detail that matters:
- Reps, weight, RIR/RPE, distance, time, and rest periods
- Myo reps, supersets, paired sets, giant sets, and drop sets
- Session RPE and total workout duration
- Mood and bodyweight during your workout
- Notes per set and per session

Everything you need. Nothing you don't.

TRACK NUTRITION WITH RESEARCH-GRADE ACCURACY
- Set calorie and macro targets and link them to a certain period — cut, bulk, or maintain

- Track calories, protein, carbs, fat — and full micronutrients
- We have a database of over 2500 products with verified micronutrients
- Verified micronutrients come with research-grade accuracy

- The barcode scanner is extremely fast (within 1 second mostly) and has world-wide coverage (it finds almost every product from every brand)
- Create custom foods and reusable meal templates
- Build recipes with linked ingredients and auto-calculated macros
- Share recipes with other users or use public recipes
- Copy a meal or entire day to another date in one tap

Fuel smarter. Recover faster.

VISUALIZE YOUR PROGRESS
See exactly how you're improving — week by week, muscle by muscle:
- Volume per muscle group and per exercise
- PRs per exercise
- Recovery, sleep, and stress to optimize training volume and frequency
- Bodyweight and nutrition trends

Gainz does the heavy lifting — so you can focus on yours.

BUILT FOR SPEED
Less tapping, more training. Start from a saved routine, set rest timers between sets, duplicate exercises, or log an entire workout in seconds. Every interaction is designed to be as fast as possible.

Save time. Train smarter. Get more Gainz.

FREE & ACTIVELY DEVELOPED
Gainz is completely free. New features, performance updates, and community-driven improvements ship regularly — and your feedback directly shapes what gets built next.

Start tracking today.

Train harder, eat smarter, recover better, and unlock your full potential with Gainz.