# iStickPro vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against iStickPro's every 7 months. iStickPro'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.

iStickPro ships an update every 7 months, OTG Flash Pro every 10 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iStickPro | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (10 ratings)](https://appshunter.io/ios/app/istickpro/id975108490/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 12.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 29 MB | 136 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopod Group Limited](https://appshunter.io/developer/975108489) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### iStickPro

[App page](https://appshunter.io/ios/app/istickpro/id975108490)

Expand your device's storage with this multi-functional USB drive. Seamlessly transfer files between your iPhone, iPad, PC, and Mac without needing iTunes or an internet connection. Enjoy features like contact backup, music playback, and direct document viewing.

**Highlights:** External storage for iPhone/iPad, PC/Mac U disk functionality, iTunes-free file transfer, Contact backup and recovery, Independent music player, 1080p video streaming, Direct document viewing

**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 iStickPro free?

iStickPro 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 iStickPro or OTG Flash Pro have ads?

Neither iStickPro nor OTG Flash Pro shows ads.

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

iStickPro ships an update every 7 months, and OTG Flash Pro every 10 days. Most recently, iStickPro was updated on October 17, 2026 and OTG Flash Pro on October 16, 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.*