Trainix is the all-in-one fitness tracker — log workouts in seconds, chase new PRs, follow structured training plans, and get AI-powered coaching. Your data stays on your device.
From logging your first set to advanced strength analytics — Trainix grows with you.
Ghost-text pre-fills your last weight and reps for every exercise. Confirm and log — no typing required.
Searchable exercises by muscle group, equipment, and movement type — plus your own custom exercises.
Trainix detects new personal records automatically — estimated 1RM, max weight, max volume, and max reps.
Activate a program and Trainix guides you day by day, automatically advancing as you complete each session.
Track consistency, streaks, and PRs for free — unlock Volume Trend and Strength Progress charts with Pro.
Get GPT-powered coaching personalised to your real training data — programming, nutrition, recovery, and technique.
Log food from a built-in database, scan barcodes, or add custom foods to track calories and macros.
Build consistency beyond the gym — water, sleep, steps, protein, and custom habits with daily streaks.
Automatically export completed workouts, body weight, and body fat percentage to Apple Health or Health Connect.
Workouts, PRs, plans, and metrics are saved locally using SQLite — not on a server.
Start logging workouts immediately. No sign-up, no email, no password.
Create a full JSON backup of your training history whenever you want, and restore it on any device.
Apple Health and Health Connect integration is entirely opt-in and can be turned off at any time.
No cloud sync, no third-party data sales — your training history belongs to you.
Trainix is designed to feel like a stopwatch — open it, log your workout, close it.
Begin from scratch, a saved template, or an active training plan day.
Ghost text pre-fills your last weight and reps — just confirm and tap the checkmark.
PRs, streaks, and consistency are calculated automatically after every session.
Review Coach Insights for free, or ask the AI Coach for personalised advice with Pro.
Everything you need to log and track workouts is free — Trainix Pro adds advanced training intelligence.
Everything you need to start training with structure.
Advanced training intelligence, unlocked.
Quick answers — see the full FAQ for everything else.
Yes. Trainix is free to download and covers workout logging, PR tracking, training plans, and Coach Insights. Trainix Pro unlocks the AI Coach and full analytics.
No. There's no sign-up required, and your workouts are stored locally so you can train without an internet connection.
Yes — enable it in Settings to automatically export completed workouts, body weight, and body fat percentage.
Yes. Create a full JSON backup from Profile → Backup & Restore, and restore it on any device at any time.
Download Trainix free on iOS and Android — no sign-up required.