Comparison

Gym Rank vs MuscleMemory

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gym Rank

This AI-powered fitness app helps users track workouts, set personal records, and improve strength. It offers daily challenges, a unique ranking system, and AI-driven progress insights. Users can access a large exercise library with demo GIFs and create custom workout programs.

Highlights
  • Track workouts and personal records
  • Join daily fitness challenges
  • AI-based progress insights
  • 1400+ exercises with demo GIFs
  • Create and share workout programs
  • Offline mode
Features
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Gym Rank turns every set you log into a percentile strength rank, cross-referenced against millions of lifts from lifters worldwide. Join 30,000+ ranked lifters in 165 countries. Log a set, see your rank, and get a live target for the next one. 1,314 exercises, 160+ of them ranked. Formerly Kaizen Zone. YOUR STRENGTH LEVEL, MEASURED FOR REAL - A percentile rank for every lift and every muscle group, cross-referenced against millions of logged lifts - 160+ ranked exercises across barbell, dumbbell, machine and bodyweight - One overall rank for your whole body, plus a rank for each of nine muscle groups - Nine tiers with five divisions each, so there is always a next step - Scoring accounts for your bodyweight and age, so your number means something YOUR NEXT RANK, LIVE IN THE WORKOUT - Every exercise card shows the set that takes you to the next rank, in realistic reps - The tier bar fills as you log, so you know when one more rep counts - Top % highlights: a standout day or week earns a shout-out, like "top 6% of lifters who trained that day" - Complete sets right from the Live Activity on your Lock Screen A GYM LOG BUILT FOR SPEED - Log sets, reps and weight in two taps - 1,314 exercises with animated demos, and a picker with equipment, kettlebell and band filters - Swap any exercise mid-workout, with a suggested weight - Rest timers per exercise, a plate calculator and automatic personal record (PR) detection - An estimated one rep max (1RM) for every lift and a PR history that never forgets - Film your PR attempts and bring your history over from other workout apps - Works offline, no signal needed at the rack A ROADMAP TO YOUR NEXT RANK - Rank Roadmap: the exact reps and weight between you and your next rank, lift by lift - Quests built from the lift that holds your rank back, plus daily quests and Challenges - A Workout of the Day, proven programs like 5/3/1, or your own workout routines COMPETE AND SHARE - Weekly leagues against lifters at your level - Country and world leaderboards - Compare ranks and lifts with friends - Share your rank card to your Instagram story in two taps PROGRESS YOU CAN READ - A workout calendar, muscles-hit map and strength trends on your Profile - Bodyweight trend for bulking, cutting or maintaining, plus body measurements and private progress photos - Light and dark mode - Sync completed workouts to Apple Health Gym Rank speaks English, German, Spanish, French, Italian, Dutch and Portuguese. Log your first set and find out where you rank. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

MuscleMemory

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MuscleMemory is your intelligent workout companion that adapts to YOU. Unlike basic trackers, MuscleMemory uses a smart progression algorithm that adjusts your workout recommendations based on your daily energy, sleep quality, and motivation levels. SMART PROGRESSION THAT ADAPTS • Daily wellness check-in personalizes your workout intensity • Algorithm learns from your performance and adjusts recommendations • Safe, gradual progression prevents overtraining and injury • Get told exactly what weight and reps to aim for each set COMPLETE WORKOUT TRACKING • 1000+ exercises with HD images and detailed instructions • Create unlimited custom workout templates • Log sets with weight, reps, and RPE tracking • Built-in rest timer with customizable durations • Support for both strength training and cardio exercises POWERFUL ANALYTICS & INSIGHTS • Workout heatmap calendar to visualize consistency • Muscle group distribution charts • Personal records tracking for every exercise • Weekly and monthly volume trends • Track your workout streaks ACHIEVEMENTS & MILESTONES • 75 achievements across 5 categories • Track total weight lifted, workouts completed, and more • Celebrate milestones with unlock animations • Stay motivated with progress tracking LIVE ACTIVITY & WIDGETS • Dynamic Island shows workout timer • Lock Screen displays current exercise and progress • Home screen widgets for quick stats • Apple Watch companion app SOCIAL FEATURES • Connect with friends using friend codes • See friends' workout activity in your feed • Share achievements and celebrate together PRIVACY-FIRST DESIGN • Works completely offline - your data stays on your device • Optional cloud sync for backup and multi-device access • No account required to start tracking PREMIUM FEATURES (Optional) • Remove all advertisements • Cloud sync across all your devices • Full social feed access with workout details • One-time PRO purchase or flexible subscriptions Whether you're a beginner starting your fitness journey or an experienced lifter looking to optimize your training, MuscleMemory helps you train smarter, not just harder. Download now and experience the difference intelligent workout tracking makes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Gym Rank4 screens
MuscleMemory4 screens

Verdict

The call

The clearest difference is ads: Gym Rank at none against MuscleMemory's shown. Gym Rank also leads on iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gym Rank sells 8 in-app purchases, starting at $3.99 per 7 days and MuscleMemory sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Gym Rank versus MuscleMemory: the parameters behind the verdict, then further details
ParameterGym RankMuscleMemory
PriceFreeFree
Rating4.8 (171 ratings) — better—
Positive reviews83.8% of reviews—
Number of ratings171 — better—
Update frequencyEvery 2 weeks—
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size230 MB82 MB
Age rating12+4+
DeveloperKaizen Software DevelopmentDAVID MICHAEL BOND

In-app purchases

8 purchases

Gym Rank

Subscriptions7
  • Gym Rank Subscription Weekly3 Days trial$3.997 Days
  • Premium User Monthly$3.991 Month
  • Gym Rank Premium$4.991 Month
Show 4 more
  • Pro Users Monthly$8.991 Month
  • Gym Rank Premium14 Days trial$22.991 Year
  • Premium User Yearly$29.991 Year
  • Pro Users Yearly7 Days trial$39.991 Year
One-time1
  • Life Time Gym Rank$79.99
4 purchases

MuscleMemory

Subscriptions2
  • Cloud Sync Monthly$0.991 Month
  • Cloud Sync Yearly$6.991 Year
One-time2
  • Remove Ads$2.99
  • MuscleMemory PRO$9.99

Questions

Is Gym Rank free?
Gym Rank is free to download, with in-app purchases available.
Is MuscleMemory free?
MuscleMemory is free to download, with in-app purchases available.
Do Gym Rank or MuscleMemory have ads?
MuscleMemory shows ads; Gym Rank does not.

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