5/3/1 Forever
Your 5/3/1 training.Without spreadsheets.
The app that calculates your weights, tracks cycle progress, and advances Training Maxes according to the methodology. You focus on lifting.
Week 1 · Day 1
Squat
Sets
3/3
100 kg × 5
working set
115 kg × 5
working set
130 kg × 5+
AMRAP · max reps
You know it from Google Sheets
Blurry cells on mobile, manual percentage calculations, figuring out what to lift today. 531Forever does exactly what your spreadsheet does. Just for you, in one tap, without errors.
Spreadsheet vs. 531Forever
5/3/1 Forever
Leader, Anchor, and 7th week. The program calculates weights, percentages, and cycle progress for you. Nothing to track.
Automatic progression
Log your AMRAP, the app calculates an e1RM estimate and advances the Training Max precisely per the methodology. No manual recalculation.
Plate calculator
See exactly which plates to load for every set. No more mental math between sets.
Rest timer
The rest countdown starts automatically after you check off a set. The screen stays on during your workout.
Stats that make sense
Wilks, DOTS, e1RM over time, volume, accessory and body weight trends. See whether you are progressing.
Works in the gym
Install to your home screen as an app. Offline mode lets you train even in a basement without signal.
Three steps and you're training
Calibration
Enter a few sets on the main lifts. The app calculates your Training Maxes from them.
Train
Open today's workout, check off sets, log your AMRAP. Everything else is calculated.
Progress
After each cycle, Training Maxes advance based on your performance. See your progress in the charts.
No AI, no guessing
We rely on the proven math of 5/3/1, not a language model that could make up a weight. With strength training, it's about your health.
Your data is yours
Download your full history in CSV or JSON at any time. No lock-in, no data selling.
Better than a spreadsheet
No scrolling or typos in formulas. One tap logs a set, the app does the rest.
Run your next workout here
Free, no install needed. Open in your browser and add to your home screen as an app.
Start training