Comparison

StrengthIn vs Gym Rank

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

Head to head
About

StrengthIn

This app serves as a comprehensive fitness journal, allowing users to track workouts, build custom routines, and monitor progress. It offers a user-friendly interface with customizable features to help individuals achieve their fitness goals.

Highlights
  • Create and track workouts
  • Build and customize routines
  • Monitor exercise progress
  • Customizable workout timer
  • Exercise history tracking
  • Share routines with friends
  • Create custom exercises
Features
Read full description

Introducing StrengthIn – your smart workout companion! Say goodbye to juggling between different fitness app and notebooks, and hello to your consolidated smart gym notebook. Our app allows you to track your workouts, create routines and monitor your progress all in one place. StrengthIn is the ideal gym partner that offers a user-friendly interface and a variety of customizable features, allowing you to make informed decisions based on your personal fitness objectives. Whether you're a beginner or an expert, our app empowers you to improve your outcomes by monitoring your progress. Here are some of the features that our app offers: Workouts: Create a workout on the spot and use it to create a routine so you can rotate it into your regiment. Start a workout from a saved routine. Track how much progress you have made into your current workout. Leverage the customizable timer so you stay on track between sets. View the history of a specific exercise so you can choose the right weight that fits your goals. Routines: Create a routine for as many weeks as you’d like. Rename the days of your routine so you can better focus on the areas of your body you are targeting. Share your routines with friends. Select or create exercises to populate your routine as you build it out. Copy days or weeks of your routine to optimize your planning. Exercises: Create your own exercises with any name that you prefer. Label your exercises with the muscle groups that exercise targets. Customization: Define your own barbells and plates for easy calculation during your workout. Backup data to your own iCloud account. StrengthIn is the perfect tool for anyone looking to take their fitness journey into their own hands and customize the app to better suit their own style.

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
Read full description

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/

Screenshots

StrengthIn4 screens
Gym Rank4 screens

Verdict

The call

The clearest difference is ratings volume: Gym Rank at 171 against StrengthIn's 1. Gym Rank also leads on update cadence (every 2 weeks vs every 3 weeks) and iOS requirement (15.0 vs 17.6). StrengthIn's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. StrengthIn sells 3 one-off in-app purchases and Gym Rank sells 8 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

StrengthIn holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Gym Rank has 171 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

StrengthIn ships an update every 3 weeks, Gym Rank every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
StrengthIn versus Gym Rank: the parameters behind the verdict, then further details
ParameterStrengthInGym Rank
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (171 ratings)
Positive reviews—83.8% of reviews
Number of ratings1171 — better
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size8 MB230 MB
Age rating4+12+
DeveloperNerdize LLCKaizen Software Development

Customer experience

StrengthIn

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Gym Rank

All ratings171 ratings
Positive93.6%
Neutral3.5%
Negative2.9%
Written reviews37 reviews
Positive83.8%
Neutral8.1%
Negative8.1%

In-app purchases

3 purchases

StrengthIn

One-time3
  • Small Coffee$0.99
  • Medium Coffee$2.99
  • Large Coffee$4.99
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

Questions

Is StrengthIn free?
StrengthIn is free to download, with in-app purchases available.
Is Gym Rank free?
Gym Rank is free to download, with in-app purchases available.
Which has better reviews, StrengthIn or Gym Rank?
StrengthIn is rated higher. StrengthIn averages 5.0 out of 5 from 1 ratings, while Gym Rank averages 4.8 from 171 ratings.
Do StrengthIn or Gym Rank have ads?
Neither StrengthIn nor Gym Rank shows ads.
Which is updated more often, StrengthIn or Gym Rank?
StrengthIn ships an update every 3 weeks, and Gym Rank every 2 weeks. Most recently, StrengthIn was updated on October 24, 2026 and Gym Rank on October 25, 2026.

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