# USB iShare vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against USB iShare's every 5 months. USB iShare'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.

USB iShare ships an update every 5 months, OTG Flash Pro every 10 days. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | USB iShare | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 33 MB | 136 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Netac Technology Co., Ltd.](https://appshunter.io/developer/486724743) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### USB iShare

[App page](https://appshunter.io/ios/app/usb-ishare/id1203098340)

Manage files between your iOS device and flash drives. Back up photos, music, videos, and contacts. Encrypt, decrypt, compress, and decompress files. Supports direct photo and audio recording, and location tracking for accessories.

**Highlights:** File backup (photos, music, video, contacts), Direct photo and audio recording, File encryption and decryption, File compression and decompression, Accessory location tracking, Read text files, view images, play media

**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 USB iShare free?

USB iShare 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 USB iShare or OTG Flash Pro have ads?

Neither USB iShare nor OTG Flash Pro shows ads.

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

USB iShare ships an update every 5 months, and OTG Flash Pro every 10 days. Most recently, USB iShare was updated on October 21, 2026 and OTG Flash Pro on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*