# S2 vs Shrug

The clearest difference is review sentiment: Shrug at 80% against S2's 41%. Shrug also leads on in-app purchases (none vs 2) and rating (4.6 vs 4.1). S2's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (129 vs 9). On price and ads there is nothing between them.

Both are free to download. S2 sells 2 in-app purchases, starting at $22.99 per year. Shrug asks for nothing beyond the download.

Shrug holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: S2 has 129 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 41% of S2's written reviews are positive against 80% of Shrug's.

S2 ships an update fortnightly, Shrug every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | S2 | Shrug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (129 ratings)](https://appshunter.io/ios/app/s2-strength-log/id1007310227/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/shrug-simple-workout-log/id1672147845/reviews)** |
| Number of ratings | **129** | 9 |
| Positive reviews | 41.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 17 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Formbound AB](https://appshunter.io/developer/531002945) | [Super Symmetry LLC](https://appshunter.io/developer/1672148207) |

## What reviewers say

### S2

[App page](https://appshunter.io/ios/app/s2-strength-log/id1007310227)

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.

**Highlights:** Track and visualize workout progress, Muscle fatigue heat map, Create unlimited workout routines, Encourages progressive overload, 1000+ exercises, Workout history review, HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| S2 Yearly | $22.99 | per year |
| Strongly Pro | $4.99 | one-time |


### Shrug

[App page](https://appshunter.io/ios/app/shrug-simple-workout-log/id1672147845)

Easily track your gym lifts to achieve progressive overload and see better results. This simple, free application offers all its features without any subscriptions.

**Highlights:** Track gym lifts, Progressive overload tracking, Simple interface, All features free, No subscription required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is S2 free?

S2 is free to download, with in-app purchases available.

### Is Shrug free?

Shrug is free to download, with no in-app purchases.

### Which has better reviews, S2 or Shrug?

Shrug is rated higher. S2 averages 4.1 out of 5 from 129 ratings, while Shrug averages 4.6 from 9 ratings.

### Do S2 or Shrug have ads?

Neither S2 nor Shrug shows ads.

### Which is updated more often, S2 or Shrug?

S2 ships an update fortnightly, and Shrug every 2 months. Most recently, S2 was updated on October 26, 2026 and Shrug on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*