Train531

AI-powered 5/3/1 strength training app for iPhone and iPad. Every set calculated, accessories prescribed.

Train531 runs Jim Wendler’s 5/3/1 program for you. Enter your training maxes and the app calculates warmup sets, working sets, and AMRAP sets. The AI picks your supplemental template (BBB, FSL, SSL) and fills in accessories based on your training history and available equipment.

Features

AI-prescribed workouts — The app builds your full session including supplemental and accessory work. Open the app, your workout is ready.

Automatic PR detection — PRs are detected using the Epley formula. The AI coach gives you feedback on your estimated 1RM trends instead of just showing a graph.

50+ exercises — Pre-loaded exercise library with muscle group tagging.

Smart rest timers — Adjust automatically by set type: 60 seconds for warmups, 120 for working sets, 180 for AMRAPs.

Mid-workout swapping — Swap exercises on the fly if your rack is taken or something hurts.

iCloud sync — Syncs across all your devices.

Pricing

Free to try with 10 complete workouts. Pro is $4.99/month or $34.99/year.

Visit train531.com for more.

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