Support & Help
Need help with TRN? Find answers below or get in touch.
Bugs, feature requests, general questions. Usually within 24-48 hours.
Frequently Asked Questions
What is TRN?
TRN (Training Notation) is a workout tracker built on an open file format. Import programs as .trn files, track your training, and export your data anytime.
What is the .trn format?
An open, human-readable text format for workout programs. Anyone can create, share, and import .trn files. The format is MIT licensed and free forever. Read the format spec →
How do I import a workout program?
Download a .trn file and open it — TRN imports it automatically. You can also use the Import button in the Library tab to import from a file or URL.
How do I export my workouts?
Go to the Me tab and tap Export. Your workouts export as .trn files you can share with anyone via WhatsApp, email, AirDrop, or any other method.
Is TRN free?
Yes, TRN is free to download and use. All core features are included.
What data does TRN collect?
Anonymous usage analytics (e.g. "workout started", "program imported") and crash reports. No personal information is collected. No account is required. Read the privacy policy →
Does TRN work offline?
Yes, fully. TRN works without internet. All your data is stored locally on your device.
How do I report a bug or request a feature?
Email us at support@trn.fitness with a description of what happened or what you'd like to see. Include your device model and app version if reporting a bug.
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