# Sky Song vs Catch Flex

The clearest difference is ads: Catch Flex at none against Sky Song's shown. Sky Song's advantage is update cadence (daily vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Sky Song ships an update daily, Catch Flex fortnightly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Sky Song | Catch Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/catch-flex/id6794968958/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 491 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [KASAN KALUR WRIGHT](https://appshunter.io/developer/6783590045) | [Vilegacy](https://appshunter.io/developer/1817905358) |

## What reviewers say

### Sky Song

[App page](https://appshunter.io/ios/app/sky-song-rhythm/id6786152703)

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

**In-app purchases:** none


### Catch Flex

[App page](https://appshunter.io/ios/app/catch-flex/id6794968958)

A full-body camera rhythm game where your movements control the action. Play through various challenges, create your own levels, and compete with others, all without touching a button.

**Highlights:** Full-body tracking with a single camera, Gesture-controlled menus, Multiple gameplay mechanics (cut, rings, balls, stomp, slide), Customizable difficulty and no-fail mode, Local split-screen versus mode, Browser-based level editor, Privacy-focused on-device tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Sky Song free?

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

### Is Catch Flex free?

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

### Do Sky Song or Catch Flex have ads?

Sky Song shows ads; Catch Flex does not.

### Which is updated more often, Sky Song or Catch Flex?

Sky Song ships an update daily, and Catch Flex fortnightly. Most recently, Sky Song was updated on October 31, 2026 and Catch Flex on November 6, 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.*