Apps Like Big3 Diary for iPhone and iPad
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.

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.


FAST!
TNQ Tech, Co.
Track velocity and optimize lifts
Track and analyze movement speed during workouts. Record and compare multiple attempts to evaluate form and velocity differences. Monitor team training data in one place. Customize tracking for any exercise. Export and review performance metrics.






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.

Liftosaur: Scriptable Workouts
Liftosaur, LLC
Track , plan routines, build strength
Create personalized strength training programs using customizable routines or pre-built templates. Track , adjust weights and reps based on defined logic. Visualize progress with detailed reports and automate training schedules.



5/3/1 Workout - Zen Labs
Zen Labs LLC (CA)
Track progress on bench, squat, deadlift
Track progress for training with customizable plans. Log lifts, set rep ranges, and monitor strength gains. Focus on compound movements like squats, bench press, deadlifts, and overhead press. Adjust intensity for different experience levels.

RackMath Barbell Calculator
Classy Jackal Inc
Calculate weights and track reps
Calculate weight plates needed for lifts like squats, deadlifts, and bench presses. Input desired total weight and number of plates. Receive exact plate combinations. Prevent incorrect loading with accurate weight calculations.


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.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.