STRONKR
Stop guessing your weights. Stronkr calculates them
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STRONKR - Stop guessing your weights. Stronkr calculates them

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Stronkr is a strength-training PWA with an RPE-driven progression engine. Rate each set 1-10 after you lift, and it calculates your next session's load automatically, target increase or deload, before you stall. Free routine generator (equipment, schedule, level), six adaptive programs (postpartum, 40+, comeback, joint-friendly), permanent exercise swaps, automatic PR detection, offline support. No app store install. Free core, forever.

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Built Stronkr because every tracker I used recorded what I did and left me guessing what to do next. Stronkr's engine reads your RPE after each set and sets your next session's load automatically, NO spreadsheet, NO guessing. It also builds your routine around injuries and whatever equipment you actually have, no trainer needed. Swap an exercise once and it remembers that swap permanently, every future session. All free, no credit card. Happy to answer anything about the RPE algorithm or the constraint-handling for injuries/equipment.