S2: Strength log
Formbound AB Health & Fitness iPhoneiPadiPod touch
S2: Strength log is a free Health & Fitness app for iPhone and iPad by Formbound AB. Rated 4.1/5 from 129 ratings. Requires iOS 16.0.
- Rating
- 4.1
- 129 ratings
- Price
- Free
- on the App Store
- Size
- 9 MB
- Age 12+
- Updated
- Sep 22
- 2024 · v3.3.3
Screenshots
About S2: Strength log
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/
Ratings & reviews
4.1
129 ratings
What’s new
Version 3.3.3 · Updated September 22, 2024
Fixed issue where decimal selector wasn't visible
App privacy
The developer, Formbound AB, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to S2: Strength log
Looking for apps like S2: Strength log? Here are 6 similar apps on the App Store. The highest rated is FitHero - Gym Workout Tracker (4.8/5), and all 6 are free to download.
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HeavySet - Gym Workout Log
4.6
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Gym Diary: Workout Tracker Log
4.3
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FitnessKit: PT Client Coach
4.6
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Gym Progress Tracker: Liftlog+
4.7
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FitHero - Gym Workout Tracker
4.8
-
Routine: Workout Tracker
3.9
| App | Rating | Price | Last updated |
|---|---|---|---|
| S2: Strength log | 4.1 / 5 (129 ratings) | Free | September 22, 2024 |
| HeavySet - Gym Workout Log | 4.6 / 5 (1,273) | Free | Aug 20, 2025 |
| Gym Diary: Workout Tracker Log | 4.3 / 5 (125) | Free | Mar 25, 2026 |
| FitnessKit: PT Client Coach | 4.6 / 5 (148) | Free | Sep 3, 2026 |
| Gym Progress Tracker: Liftlog+ | 4.7 / 5 (55) | Free | Sep 25, 2026 |
| FitHero - Gym Workout Tracker | 4.8 / 5 (180) | Free | Sep 4, 2026 |
| Routine: Workout Tracker | 3.9 / 5 (116) | Free | Sep 21, 2026 |