531 Strength

Free 5/3/1 Wendler + BBB strength training tracker for iOS and Android, local-first.

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531 Strength is a free, local-first tracker built specifically for Jim Wendler's 5/3/1 program with Boring But Big accessories, implementing the weekly percentages, plate math, and 7th Week Protocol exactly as written. It requires no account, has no ads, and keeps all data on the device, aimed at strength athletes who want the program run correctly without manual calculation.

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