Comparison

StrongerLab vs Gymstro

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

Head to head
About

StrongerLab

This app helps weight training enthusiasts track their progress and analyze their workout habits. It allows for custom workout creation, real-time recording with voice input, and detailed statistical analysis through graphs and charts. Data is stored locally on iCloud Drive.

Highlights
  • Custom workout creation
  • Real-time exercise recording
  • Voice input support
  • Exercise pattern analysis
  • Graphs and charts for statistics
  • No registration required
Features
Read full description

Hello, this is Strongerlab. It can be the best partner for those who love weight training. Use the app as a means of measuring yourself with your personal workouts. It will definitely help your training. It helps you to know your current status and exercise habits at a glance. No registration or login required. And it's fast and simple. It faithfully performs the role of an exercise assistant only with the functions provided by downloading the app. This is an early version now. We will continue to add many features. Work out and build your body with StrongerLab!! 1. Create training freely A basic training list is provided, but you can configure your own workout list by freely designating a name and type. You can create any kind of weight training training. For bare body workouts, additional weight can be recorded. 2. Recording function to help you focus on the exercise as much as possible I made it to record comfortably with a spinner-type UI that can be entered with one hand. You can fine-tune the steps of the spinner to suit your style. You can also record compound sets by selecting two exercises. You can record while exercising in real time, and you can freely write an exercise record by designating a specific date. You can check the maximum weight/volume while recording. It supports voice input. 3. Analyze exercise patterns with various data Check the exercise ratio for each part and sport with graphs and charts. Various statistics are provided based on the recorded data. Analyze your training patterns. We will continue to update detailed analysis tools. 4. Light, comfortable and fast There is no need to sign up or log in. You can use the app immediately after downloading it. Your data is safely stored on your icloud drive. - StrongerLab Philosophy Don't train to show off your weight training. You will want to get results quickly and you may not be able to live up to your expectations every time. You need to know how to focus on the exercise itself. Don't think too much in your head. The utopia rises every time, but the body does not develop. Don't judge yourself for changes in your body. When there is a change, the people around you will react first. Train consistently and persistently. You can see yourself changed. Once you start, go to the end.

About

Gymstro

Track your workouts with this simple and intuitive journal. Access all features, including rest timers and progress graphs, without any cost. It offers a streamlined experience, making it as easy as pen and paper but with advanced capabilities.

Highlights
  • Workout tracking
  • Rest timers
  • Progress graphs
  • Routine templates
  • Simple interface
Features
Read full description

An easy and simple-to-use workout tracker with all the features you need -- completely for free. That's right. No subscriptions, no ads, no fees. Get access to everything the app can offer without needing to pay any money. Optimized to keep your workout tracking simple, it's as easy as pen and paper but packed with loads of features. Rest timers, progress graphs, routine templates, and much more to come!

Screenshots

StrongerLab4 screens
Gymstro3 screens

Verdict

The call

The clearest difference is ratings volume: Gymstro at 22 against StrongerLab's 1. Gymstro also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (12.0 vs 14.0). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for StrongerLab against 4.9 for Gymstro. That said, the two scores are not equally well evidenced: Gymstro has 22 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

StrongerLab ships an update every 3 weeks, Gymstro every 9 days. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
StrongerLab versus Gymstro: the parameters behind the verdict, then further details
ParameterStrongerLabGymstro
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (22 ratings)
Positive reviews—100.0% of reviews
Number of ratings122 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size17 MB49 MB
Age rating4+4+
DeveloperHyung Gyu LeeGymstro, LLC

Customer experience

StrongerLab

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

Gymstro

All ratings22 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

StrongerLab

No in-app purchases

None

Gymstro

No in-app purchases

Questions

Is StrongerLab free?
StrongerLab is free to download, with no in-app purchases.
Is Gymstro free?
Gymstro is free to download, with no in-app purchases.
Which has better reviews, StrongerLab or Gymstro?
StrongerLab is rated higher. StrongerLab averages 5.0 out of 5 from 1 ratings, while Gymstro averages 4.9 from 22 ratings.
Do StrongerLab or Gymstro have ads?
Neither StrongerLab nor Gymstro shows ads.
Which is updated more often, StrongerLab or Gymstro?
StrongerLab ships an update every 3 weeks, and Gymstro every 9 days. Most recently, StrongerLab was updated on June 5, 2026 and Gymstro on September 19, 2026.

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