# USB Mobile Disk vs ChargeFlow

The clearest difference is price: ChargeFlow at Free against USB Mobile Disk's $0.99. USB Mobile Disk's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.0). On update cadence, ads and device support there is nothing between them.

ChargeFlow is free to download; USB Mobile Disk costs $0.99 up front. ChargeFlow sells 1 one-off in-app purchase. USB Mobile Disk asks for nothing beyond the download.

USB Mobile Disk ships an update every 3 months, ChargeFlow every 2 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | USB Mobile Disk | ChargeFlow |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (10 ratings)](https://appshunter.io/ios/app/usb-mobile-disk/id505848112/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 28 MB | 33 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Raphael Odermatt](https://appshunter.io/developer/403027529) | [Nurale Srls](https://appshunter.io/developer/1647031630) |

## What reviewers say

### USB Mobile Disk

[App page](https://appshunter.io/ios/app/usb-mobile-disk/id505848112)

This app turns your iPhone or iPad into a portable storage device, allowing you to carry documents, music, and videos. It features a built-in file manager, music player, PDF reader, and supports various file transfer methods.

**Highlights:** Portable storage for iPhone/iPad, Advanced file manager, Background music player, PDF reader, Gallery import/export, FTP and HTTP file access, ZIP file creation/extraction

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ChargeFlow

[App page](https://appshunter.io/ios/app/chargeflow/id6766921795)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is USB Mobile Disk free?

USB Mobile Disk costs $0.99, with no in-app purchases.

### Is ChargeFlow free?

ChargeFlow is free to download, with in-app purchases available.

### Do USB Mobile Disk or ChargeFlow have ads?

Both USB Mobile Disk and ChargeFlow show ads.

### Which is updated more often, USB Mobile Disk or ChargeFlow?

USB Mobile Disk ships an update every 3 months, and ChargeFlow every 2 months. Most recently, USB Mobile Disk was updated on October 6, 2026 and ChargeFlow on October 7, 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.*