531 Workout App

531 Workout App is a mobile application designed to support the 5/3/1 strength training program by allowing users to enter their training maxes for the squat, bench press, deadlift, and overhead press. It automatically calculates working weights, rep targets, and percentages for each session, planning both Classic 5/3/1 cycles and Boring But Big (BBB) sessions. The app includes logging features for completed sets, including AMRAP sets, and stores data locally on the user's device to function offline.

The app is built for lifters who want to plan their 5/3/1 and Boring But Big training without using spreadsheets. It handles the calculations and remembers the details so users can focus on the bar during their workouts. Early testers have praised the app for being focused and clutter-free, providing just the session, sets, and the next block.

Users can start using the app for free without needing to create an account to access core features. The process involves entering current training maxes for the four main lifts, following the calculated sessions, and recording each set as they progress. There is no requirement to sign up to plan, log, and export the core 5/3/1 training data.

The app supports both Classic 5/3/1 cycles and Boring But Big (BBB) sessions to accommodate different training styles. It also includes a one-rep max calculator and a training max calculator to help users manage their numbers. Additionally, there are guides available for First Set Last, Deload, and Plate calculations within the platform.

Workout data is stored locally on the user's device, allowing the app to function completely offline without an internet connection. Users can export a portable backup whenever they want one to ensure their data is safe. The app also provides estimated strength progress charts for the four main lifts to track growth over time.

The app automatically calculates percentages and working weights for every session, eliminating the need for manual math. It captures completed reps and weights on the sets that matter, including AMRAP work. Users can see estimated strength trends for each of the big four lifts to monitor their progress.

The app displays estimated strength trends for each of the four main lifts: squat, bench press, deadlift, and overhead press. It allows users to build lower-body strength and total-body power with the squat, press with structure with the bench press, pull heavy with the deadlift, and build strong shoulders with the overhead press. These features are central to the app's design for patient progression.

Some reviewers say the app feels focused with no social feed or clutter, just the session, sets, and the next block. Early testers appreciate that the numbers are ready when they walk into the gym, allowing them to spend less time checking notes and more time training. The ability to export their own data is also highlighted as a feature that keeps the app useful without forcing an account.

The app functions entirely offline with local-first data storage, meaning users do not need an account for the core features. It plans both Classic 5/3/1 cycles and Boring But Big sessions, and includes logging features for completed sets, including AMRAP sets. The app also provides estimated strength progress charts for the four main lifts and includes a one-rep max calculator.

The official website of 531 Workout App is 531lifting.com.

On Trustburn, 531 Workout App has a rating of 4.3 out of 5 based on 4 reviews.