531 Trainer app icon

Apps Like 531 Trainer for iPhone and iPad

Strength training workout calculator for phones.

The app calculates each day's workout based on a user's max lifts. It increments weights for each lift after a cycle is completed, allowing users to continue training.

by Kevin French★ 4.310 ratingsHealth & FitnessFreeData updated 2026-11-02

531 Trainer screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. FitTracker - Gym Workout Log app icon

    FitTracker - Gym Workout Log

    APPANY SOFTWARE LLC

    Track workouts, set goals, log progress

    Track workouts by date and navigate through a calendar to view history. Copy, paste, and rearrange workouts between dates. Log exercises, set goals, and view progress without requiring a sign-up. No limits on usage.

    ★ 4.7465 ratingsHealth & FitnessFreeData updated 2026-10-02
  2. StrengthMark app icon

    StrengthMark

    Salt River Software, LLC

    Track progress, plan workouts, log lifts

    Track progress with detailed workout logs and performance metrics. Set and monitor personal records for lifts. Plan and customize training programs for powerlifting, strongman, olympic weightlifting, or general strength training.

    ★ 4.715 ratingsHealth & FitnessFreeData updated 2026-09-08
  3. 5x5 Workout - Zen Labs app icon

    5x5 Workout - Zen Labs

    Zen Labs LLC (CA)

    Start strength training with 5x5 workouts

    Build strength with a beginner-friendly program focused on compound movements. Track progress with guided workouts. Access free introductory weeks. Set goals and receive structured training plans. Sync with fitness trackers for progress monitoring.

    ★ 4.71,632 ratingsHealth & FitnessFreeData updated 2026-09-14
  1. Barbell Loader and Calculator app icon

    Barbell Loader and Calculator

    Topanga Technologies, LLC

    Track lifts, log workouts, calculate totals

    Allows users to load barbells by clicking plate buttons. It calculates required plates based on entered weight. Users can adjust for different lifts and competition rules. The helps track and prepare weights for competitions.

    ★ 4.7148 ratingsSportsFreeData updated 2026-09-14
  2. KeyLifts - 531 Workout Log app icon

    KeyLifts - 531 Workout Log

    Strongomatic, LLC

    Plan workouts, track progress, calculate sets

    Track and manage a 5/3/1 strength training program. Input your details to generate plans. Automatically calculate sets and reps based on your training max. Log workouts and monitor progress over time.

    ★ 4.8835 ratingsHealth & FitnessFreeData updated 2026-09-16
  3. Habit Tracker - HabitBe app icon

    Habit Tracker - HabitBe

    Sebastian Boldt

    Track habits, set reminders, view stats

    Track daily habits with a weekly . Set and monitor goals with monthly and weekly statistics. Use customizable icons and colors. Enable dark and light mode. Receive extended reminder notifications. Sync across devices via iCloud.

    ★ 4.429 ratingsProductivityFreeData updated 2026-09-30
  4. 1RM Calculator - One Rep Max app icon

    1RM Calculator - One Rep Max

    David Bai

    Calculate 1RM from weight and reps

    Calculate 1-rep max based on entered weight and reps. Estimate strength and compare rep schemes. Input workout details to determine maximum lift capacity.

    ★ 4.5222 ratingsHealth & FitnessFreeData updated 2026-09-08
  5. One Rep Max: 1RM Calculator app icon

    One Rep Max: 1RM Calculator

    Charles Vanderhoff

    Calculate for any lift

    Calculate one-rep max for bench press, deadlift, and squat using 7 scientific formulas. Input reps and weight to estimate max lift. Adjust estimates with Rate of Perceived Exertion. Track progress over time. Export results for review.

    ★ 4.4180 ratingsHealth & FitnessFreeData updated 2026-09-09
  6. Barbell Plate Calculator app icon

    Barbell Plate Calculator

    XD Software Solutions LLC

    Calculate plates for your lifts

    Calculate weights for desired lifts without manual math. Input total weight and bar weight to determine required plates. Reverse calculate bar weight based on selection. Track lifting progress and adjust weights accordingly.

    ★ 4.8283 ratingsHealth & FitnessFreeData updated 2026-09-18
  7. Gym Day: Workout Routine & Log app icon

    Gym Day: Workout Routine & Log

    Anthony Ng

    Track workouts and log exercises

    Log and track weight lifting workouts with detailed exercise selection. Create custom routines using exercises like bench press, barbell squat, and deadlift. Access built-in plans such as Stronglifts and 5x5.

    ★ 4.81,359 ratingsHealth & FitnessFreeData updated 2026-09-15
  8. Flex AI Workout Trainer & Log app icon

    Flex AI Workout Trainer & Log

    Flex Artificial Intelligence Inc.

    Train with AI, adjust your program, track

    AI-powered fitness offers personalized workouts based on user goals and history. Tracks form in real-time with AI feedback. Adjusts training programs dynamically. Includes challenges, leaderboards, and streaks to maintain consistency.

    ★ 4.62,408 ratingsHealth & FitnessFreeData updated 2026-09-16

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.