# USB Mobile Disk vs Little Calculator

The clearest difference is ads: Little Calculator at none against USB Mobile Disk's shown. USB Mobile Disk's advantage is price ($0.99 vs $2.99) and device support (3 vs 1). On in-app purchases there is nothing between them.

USB Mobile Disk costs $0.99 and Little Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | USB Mobile Disk | Little Calculator |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| 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 | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Paid | — |
| Size | 28 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Raphael Odermatt](https://appshunter.io/developer/403027529) | [Kevin Chromik](https://appshunter.io/developer/685966038) |

## 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


### Little Calculator

[App page](https://appshunter.io/ios/app/little-calculator-widget/id6468361742)

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

**In-app purchases:** none


## Frequently asked questions

### Is USB Mobile Disk free?

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

### Is Little Calculator free?

Little Calculator costs $2.99, with no in-app purchases.

### Do USB Mobile Disk or Little Calculator have ads?

USB Mobile Disk shows ads; Little Calculator does not.

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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.*