# CZVMSController vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against CZVMSController's every 2 months. OTG Flash Pro also leads on device support (3 vs 1). CZVMSController's advantage is iOS requirement (9.0 vs 14.0). On price, 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.

CZVMSController ships an update every 2 months, OTG Flash Pro every 10 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CZVMSController | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 131 MB | 136 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chainzone Technology(Foshan) Co., Ltd.](https://appshunter.io/developer/1765644245) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### CZVMSController

[App page](https://appshunter.io/ios/app/czvmscontroller/id1151658326)

**Features:** macOS Compatibility

**In-app purchases:** none


### OTG Flash Pro

[App page](https://appshunter.io/ios/app/otg-flash-pro/id6752880818)

**In-app purchases:** none


## Frequently asked questions

### Is CZVMSController free?

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

### Is OTG Flash Pro free?

OTG Flash Pro is free to download, with no in-app purchases.

### Do CZVMSController or OTG Flash Pro have ads?

Neither CZVMSController nor OTG Flash Pro shows ads.

### Which is updated more often, CZVMSController or OTG Flash Pro?

CZVMSController ships an update every 2 months, and OTG Flash Pro every 10 days. Most recently, CZVMSController was updated on October 5, 2026 and OTG Flash Pro on October 1, 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.*