# FlexyFit vs Stark Ring

The clearest difference is in-app purchases: Stark Ring at none against FlexyFit's 2. FlexyFit's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FlexyFit sells 2 in-app purchases, starting at $0.49 per month. Stark Ring asks for nothing beyond the download.

FlexyFit ships an update fortnightly, Stark Ring every 3 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | FlexyFit | Stark Ring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 44 MB | 102 MB |
| Requires iOS | **14.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Asana Fit EOOD](https://appshunter.io/developer/1701397424) | [Dien Nha Huyen](https://appshunter.io/developer/1886728359) |

## What reviewers say

### FlexyFit

[App page](https://appshunter.io/ios/app/flexyfit/id6443955825)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Месечен абонамент (тестов) | $0.49 | per month |
| Месечен абонамент за 14.99 лв. | $7.99 | per month |


### Stark Ring

[App page](https://appshunter.io/ios/app/stark-ring/id6760904959)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlexyFit free?

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

### Is Stark Ring free?

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

### Do FlexyFit or Stark Ring have ads?

Neither FlexyFit nor Stark Ring shows ads.

### Which is updated more often, FlexyFit or Stark Ring?

FlexyFit ships an update fortnightly, and Stark Ring every 3 months. Most recently, FlexyFit was updated on October 3, 2026 and Stark Ring on September 28, 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.*