# SUN vs U U STUDIO

The clearest difference is iOS requirement: U U STUDIO at 14.0 against SUN's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SUN | U U STUDIO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 192 MB | 20 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SUNDAY PILATES SDN. BHD.](https://appshunter.io/developer/1749271720) | [VIBEFAM PTE LTD](https://appshunter.io/developer/1530134251) |

## What reviewers say

### SUN

[App page](https://appshunter.io/ios/app/sunday-pilates/id6503443056)

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

**In-app purchases:** none


### U U STUDIO

[App page](https://appshunter.io/ios/app/u-u-studio/id6758609194)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUN free?

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

### Is U U STUDIO free?

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

### Do SUN or U U STUDIO have ads?

Neither SUN nor U U STUDIO shows ads.

### Which is updated more often, SUN or U U STUDIO?

SUN ships an update every 2 months, and U U STUDIO every 2 months. Most recently, SUN was updated on October 7, 2026 and U U STUDIO on October 21, 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.*