# Catch Flex vs AI Einkcase

The clearest difference is update cadence: AI Einkcase at fortnightly against Catch Flex's every 3 months. AI Einkcase also leads on iOS requirement (15.6 vs 17.0). 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.

Catch Flex ships an update every 3 months, AI Einkcase fortnightly. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Catch Flex | AI Einkcase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/catch-flex-controller/id6474227857/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 59 MB | 30 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vilegacy](https://appshunter.io/developer/1817905358) | [露衡 王](https://appshunter.io/developer/1733679955) |

## What reviewers say

### Catch Flex

[App page](https://appshunter.io/ios/app/catch-flex-controller/id6474227857)

Transform your phone into a full-body motion controller for specific games. Experience immersive gameplay by tracking your movements without needing a physical gamepad. Enjoy interactive gaming powered by your body's actions.

**Highlights:** Full-body camera tracking, Phone as motion controller, Gamepad-free gameplay, Control specific games, Body movement tracking

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

**In-app purchases:** none


### AI Einkcase

[App page](https://appshunter.io/ios/app/ai-einkcase/id6695752840)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catch Flex free?

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

### Is AI Einkcase free?

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

### Do Catch Flex or AI Einkcase have ads?

Neither Catch Flex nor AI Einkcase shows ads.

### Which is updated more often, Catch Flex or AI Einkcase?

Catch Flex ships an update every 3 months, and AI Einkcase fortnightly. Most recently, Catch Flex was updated on September 15, 2026 and AI Einkcase on September 17, 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.*