# proof3 vs StrongSets

The clearest difference is update cadence: StrongSets at every 2 days against proof3's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

proof3 ships an update every 3 weeks, StrongSets every 2 days. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | proof3 | StrongSets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proof3/id6503243255/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 60 MB | 99 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [The SageHouse LLC](https://appshunter.io/developer/1712324655) | [Pune FitMantra Private Limited](https://appshunter.io/developer/1767319152) |

## What reviewers say

### proof3

[App page](https://appshunter.io/ios/app/proof3/id6503243255)

Manage your classes and assessments, track your progress, and view historical data. Connect with Apple Health to monitor your health and fitness habits.

**Highlights:** Book new classes and assessments, View upcoming and past classes, Cancel bookings, Track general and detailed progress, View historical assessment data, Connect with Apple Health

**Features:** Vision Pro support

**In-app purchases:** none


### StrongSets

[App page](https://appshunter.io/ios/app/strongsets/id6769991540)

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

**In-app purchases:** none


## Frequently asked questions

### Is proof3 free?

proof3 is free to download, with no in-app purchases.

### Is StrongSets free?

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

### Do proof3 or StrongSets have ads?

Neither proof3 nor StrongSets shows ads.

### Which is updated more often, proof3 or StrongSets?

proof3 ships an update every 3 weeks, and StrongSets every 2 days. Most recently, proof3 was updated on October 12, 2026 and StrongSets on October 2, 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.*