# iD Disk vs OTG Flash Pro

The clearest difference is update cadence: OTG Flash Pro at every 10 days against iD Disk's every 2 months. iD Disk'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.

iD Disk ships an update every 2 months, OTG Flash Pro every 10 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iD Disk | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id-disk/id1185802128/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 46 MB | 136 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norel Systems Limited](https://appshunter.io/developer/1542559097) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## What reviewers say

### iD Disk

[App page](https://appshunter.io/ios/app/id-disk/id1185802128)

This utility app helps manage storage on your iPhone by allowing direct saving of photos and videos to a connected USB drive. It supports various file formats for viewing and playback, and enables backup of photos and contacts without relying on cloud storage.

**Highlights:** Manage USB drive files, Backup photos and contacts, Direct photo/video saving to USB, Play media from USB, Supports various file formats, File search and sorting

**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 iD Disk free?

iD Disk 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 iD Disk or OTG Flash Pro have ads?

Neither iD Disk nor OTG Flash Pro shows ads.

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

iD Disk ships an update every 2 months, and OTG Flash Pro every 10 days. Most recently, iD Disk was updated on October 8, 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.*