# Hi Pro vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against Hi Pro's every 3 months. Hi Pro's advantage is iOS requirement (9.0 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.

Hi Pro ships an update every 3 months, OTG Flash Pro every 10 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Hi Pro | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (25 ratings)](https://appshunter.io/ios/app/hi-pro/id1517556237/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 110 MB | 136 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秀玲 陈](https://appshunter.io/developer/1517556236) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### Hi Pro

[App page](https://appshunter.io/ios/app/hi-pro/id1517556237)

Manage media and documents from your Apple USB Drive. View thumbnails for videos, photos, and music, and perform file operations like copy, cut, and delete. Supports various document formats and includes slideshow and music playback features.

**Highlights:** Media thumbnail display (video, photo, music), List/thumbnail view with sharing, File operations: copy, cut, delete, create, rename, Local/iStorage data transmission, Photo slideshow mode, Music artwork and playback controls, Document format support

**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 Hi Pro free?

Hi Pro 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 Hi Pro or OTG Flash Pro have ads?

Neither Hi Pro nor OTG Flash Pro shows ads.

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

Hi Pro ships an update every 3 months, and OTG Flash Pro every 10 days. Most recently, Hi Pro was updated on October 24, 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.*