Strong Workout Tracker Gym Log vs S2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Strong Workout Tracker Gym Log
This app helps you track your workouts and progress with an intuitive interface. It offers a wide range of exercises, detailed instructions, and advanced statistics to help you achieve your fitness goals. Easily log your routines, monitor personal records, and stay motivated on your fitness journey.
- Intuitive workout logging
- Comprehensive exercise library
- Apple Watch integration
- Advanced progress statistics
- Customizable routines
- Cloud data backup
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The most intuitive workout and exercise tracker for any fitness routine. Strong is the simplest and most intuitive workout tracker, designed to help you get better results from your workouts. Whether you want to gain strength or just stay healthy, join over 1.2 million people who have downloaded Strong to stay on track in the gym. “I’d suggest downloading the “Strong” app before you return to the gym. It’s that good” - CNBC “with apps like Strong, working out feels more like a game” - The Verge “I have used nearly every logging app since the App Store launched. This is the best bar none” “I use this every time I go to the gym and seriously couldn't train without it” “Simple. Intuitive. Functional. Exactly what I was looking for.” “This is bare bones and serious. Right on, and works perfectly... I wish I could give 10 stars.” “It's by far the most intuitive and easy to use workout app I’ve used.” Whether you’re a beginner or an experienced powerlifter, Strong provides everything you need to record your workouts as effortlessly and as quickly as possible. Unlike other fitness apps, Strong doesn’t bog you down with distractions and unnecessary gimmicks you’d never use. Strong is optimized for a progressive barbell routine such as Starting Strength or StrongLifts 5x5, but it is easily adaptable to any other routine of your choosing! FEATURES: • The simplest interface of any fitness app in the App Store • A comprehensive range of cardio and strength exercises - and add your own too! • Fully-featured Apple Watch app to log workouts with or without your iPhone • Add your own routines and easily choose between them • Detailed exercise instructions with a growing library of animated videos • Advanced Statistics show your personal records and progression and even calculate your one rep max and total weight lifted! • Built in Auto Countdown Timer to help record rest breaks • Support for multiple Exercise Types, including Assisted Bodyweight and Duration Exercises • Tag sets as Warm Up, Failure or Drop Sets • Supersets/Grouped Exercises • Track your progress with graphs for Volume and 1RM Progression • Automatically back up your data with Cloud Sync! • Built in body measurements tracker to record your weight and other vitals, with support for Apple Health • Warm Up Calculator tells you which weights to warm up with • Plate Calculator for when the weights get high • Support for Imperial (lbs) and Metric (kg) weights, or a combination of both • Add notes and progress pictures to your workouts • Share sheet makes sharing routines and workouts with friends easier than ever! • Export all of your data to Notes or Email in CSV format The free version of Strong can save unlimited workouts, but is limited to 3 custom routines. Upgrade to a Strong PRO subscription ($4.99/month or $29.99/year) for an unlimited number of routines and to unlock additional PRO features. Strong will automatically charge your iTunes Account at the end of your subscription or free trial period unless auto-renew is turned off at least 24 hours before the end of your current period. Subscriptions renew at the original price. You can turn off auto-renew at any time and still receive full functionality until the end of your current period, but no refund can be provided for unused portions of the subscription. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. If you’ve previously purchased “Unlock Strong” or “Strong Combo Pack”, you’ll be able to use the Restore Purchases option in the app for access to all Strong PRO features. These prices are for customers in the United States and may vary depending on your iTunes Account settings. In-app purchases and subscriptions cannot be shared using Family Sharing. Strong Terms of Service - https://help.strongapp.io/article/179-strong-terms-of-service Strong Privacy Policy - https://www.iubenda.com/privacy-policy/7760215
S2
This app helps you track and visualize your gym workout progress, encouraging progressive overload for weight loss or muscle gain. It offers a fast, intuitive interface with over 1000 exercises and a unique muscle fatigue heat map. No account is needed, and it integrates with HealthKit.
- Track and visualize workout progress
- Muscle fatigue heat map
- Create unlimited workout routines
- Encourages progressive overload
- 1000+ exercises
- Workout history review
- HealthKit integration
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S2 (Superior Self) is your ultimate workout companion, allowing you to track and visualize your workout progress. Whether you want to lose weight or gain muscle mass, S2 is an excellent tool to help you with progressive overload and beat the yesterday you. - Premium, beautiful workout app - No account registration is required - Fast and intuitive. No load times - View your muscle fatigue on a body heat map - Create unlimited workout routines - Encourages progressive overload - 1000+ exercises - Improved insights over time How does it work? Start by creating your workout routines in S2. Your first workout for any given routine will act as a baseline for the next workout, encouraging you to do more work by moving more mass. The technical term for this is called progressive overload, and it's the core principle behind any successful strength training. Between workouts (or during an ongoing workout) you can review your past performance by easily accessing your workout history. S2 integrates with HealthKit to register your workouts. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Strong Workout Tracker Gym Log at 4.9 against S2's 4.1. Strong Workout Tracker Gym Log also leads on ratings volume (109K vs 129) and review sentiment (65% vs 41%). On price, update cadence, 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
Both are free to download. Strong Workout Tracker Gym Log sells 11 in-app purchases, starting at $3.99 per month and S2 sells 2 in-app purchases, starting at $22.99 per year. Whichever you choose, the download price is not the number that matters.
Strong Workout Tracker Gym Log holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Strong Workout Tracker Gym Log has 109K ratings behind it against 129, so its average is the more settled of the two. Written reviews point the same way: 65% of Strong Workout Tracker Gym Log's written reviews are positive against 41% of S2's.
Strong Workout Tracker Gym Log ships an update every 2 weeks, S2 fortnightly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.
| Parameter | Strong Workout Tracker Gym Log | S2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (109K ratings) — better | 4.1 (129 ratings) |
| Positive reviews | 65.3% of reviews — better | 41.3% of reviews |
| Number of ratings | 109K — better | 129 |
| Update frequency | Every 2 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | #66 — better | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 129 MB | 9 MB |
| Age rating | 4+ | 12+ |
| Developer | Strong Fitness PTE Limited | Formbound AB |
Customer experience
Strong Workout Tracker Gym Log
S2
Bugs and requests
Strong Workout Tracker Gym Log
Reported bugs
3 issues- Workouts not syncing properly between devices
- Exercises disappearing from saved routines
- Crashes and stability issues, especially on Apple Watch
Requested features
5 requests- Add ability to track body part volume and focus
- Improve exercise search and categorization
- Implement more advanced analytics and reporting
- Allow pausing of workouts on Apple Watch
- Add support for more workout types (e.g. cardio)
S2
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Strong Workout Tracker Gym Log
- Strong PRO1 Month trial$3.991 Month
- Strong PRO (1 Month)1 Month trial2 variants$4.991 Month
- Strong PRO (6 Months)1 Month trial$19.996 Months
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- Strong PRO (1 Year)$23.991 Year
- Strong PRO (1 Year)$29.991 Year
- Strong PRO (1 Year)2 Months trial$29.991 Year
- Power Pack (Legacy)$3.99
- Unlock Strong (Legacy)$4.99
- Unlock + Power Pack (Legacy)$6.99
Show 2 moreShow fewer
- Strong PRO Forever$79.99
- Strong PRO Forever$99.99
S2
- S2 Yearly$22.991 Year
- Strongly Pro$4.99
Questions
Is Strong Workout Tracker Gym Log free?
Is S2 free?
Which has better reviews, Strong Workout Tracker Gym Log or S2?
Do Strong Workout Tracker Gym Log or S2 have ads?
Which is updated more often, Strong Workout Tracker Gym Log or S2?
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