Strain

Strain is a focused fitness app for lifters who want to train, log, and improve — without subscriptions, sign-ups, or distractions.

YOUR TRAINING TOOLKIT • Home — Start your daily workout, track your weekly volume ring, streak, and recent sessions at a glance. • Workout — Run live sessions with timer, set logging, rest countdown, and haptic feedback. • Library — Browse and build your exercise library and custom training programs. • Pulse — Review stats, weekly volume heatmap, personal records, body metrics, and session history.

BUILT FOR SERIOUS TRAINING • Log sets with reps, weight, and rest time • Pre-built programs plus custom program builder • Automatic PR tracking after every completed session • Weekly volume goals you can customize • Body weight and body fat logging • Session history with full set breakdown