The only fitness app that unifies workout tracking, nutrition logging, habit building, wearable data, and AI coaching into one seamless experience.
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Exercises in Library
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Wearable Integrations
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To Log a Set
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Powered Coaching
Stop juggling 5 different apps. GainTrax does it all.
See your previous session inline while logging. Auto PR detection, estimated 1RM tracking, and volume per muscle group charts.
Three-tier food search: local database, USDA verified data, and AI estimation. Barcode scanning. Macro rings that fill as you eat.
Build unbreakable habits with one-tap daily check-ins, streak tracking, and a GitHub-style contribution graph.
Chat with your personal AI fitness coach. Generate workouts and meal plans tailored to your goals, equipment, and schedule.
Connect Apple Health, Google Health Connect, Fitbit, and Oura Ring. Your AI coach uses recovery data to adjust your training.
Trainers can manage clients, assign workouts, track compliance, and communicate. Built for remote coaching.
Strength curves, volume heatmaps, muscle balance radar charts, nutrition trends, and training consistency scoring.
Auto-starting rest timer with customizable durations. Audio notification when your rest is over. Never wonder how long to rest again.
Your data is yours. Row-level security on every table. No data sold to third parties. Export your data anytime on Elite.
No complex setup. Just sign up and start training.
Sign up free, set your goals and preferences. Takes under a minute.
Log workouts with previous data shown inline. Track nutrition with smart search. Build habits with one-tap check-ins.
Get AI-generated workouts, meal plans, and coaching advice that adapt based on your progress and recovery data.
“GainTrax replaced three separate apps for me. The AI coach actually gives useful advice, and having everything in one place makes staying consistent so much easier.”
Sarah M.
Training for 2 years with GainTrax
Trusted by athletes worldwide
Start free. Upgrade when you're ready. No hidden fees.
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