# iDualDriver vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against iDualDriver's every 6 months. iDualDriver's advantage is iOS requirement (8.0 vs 14.0). 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.

iDualDriver ships an update every 6 months, OTG Flash Pro every 10 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iDualDriver | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Size | 12 MB | 136 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bone Collection Inc.](https://appshunter.io/developer/475976628) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### iDualDriver

[App page](https://appshunter.io/ios/app/idualdriver/id1148833018)

**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 iDualDriver free?

iDualDriver 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 iDualDriver or OTG Flash Pro have ads?

Neither iDualDriver nor OTG Flash Pro shows ads.

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

iDualDriver ships an update every 6 months, and OTG Flash Pro every 10 days. Most recently, iDualDriver was updated on September 28, 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.*