# USB Disk Pro vs Ebook Reader Pro

The clearest difference is price: Ebook Reader Pro at $5.99 against USB Disk Pro's $99.99. Ebook Reader Pro also leads on update cadence (every 4 days vs every 3 months). USB Disk Pro's advantage is rating (4.5 vs 2.0) and ratings volume (142 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

USB Disk Pro costs $99.99 and Ebook Reader Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

USB Disk Pro holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: USB Disk Pro has 142 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of USB Disk Pro's written reviews are positive against 38% of Ebook Reader Pro's.

USB Disk Pro ships an update every 3 months, Ebook Reader Pro every 4 days. The most recent releases landed on September 23, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | USB Disk Pro | Ebook Reader Pro |
| --- | --- | --- |
| Price | $99.99 | **$5.99** |
| Rating | **[4.5 (142 ratings)](https://appshunter.io/ios/app/usb-disk-pro/id412591849/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/ebook-reader-pro/id1505158572/reviews) |
| Number of ratings | **142** | 1 |
| Positive reviews | **61.4% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 189 MB | 38 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch** | iPhone, iPad, iPod, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Imesart S.a.r.l.](https://appshunter.io/developer/290160983) | [群群 刘](https://appshunter.io/developer/687318257) |

## What reviewers say

### USB Disk Pro

[App page](https://appshunter.io/ios/app/usb-disk-pro/id412591849)

Manage and view documents on your iPhone and iPad with this powerful file manager. It offers a built-in viewer, easy file transfers via iTunes or Wi-Fi, and supports numerous cloud services. Secure your files with encryption and access them from various locations.

**Highlights:** Store and view files, Built-in document viewer, iTunes and Wi-Fi file transfers, Cloud service integration, File encryption and protection, Supports Files app

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and reliable
- 👍 Great for file storage and management
- 🚀 Efficient file transfer
- 👍 Versatile file support
- 🚀 Excellent app for iPad/iPhone

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🐛 Compatibility problems with certain file formats
- 🐛 Blurry document rendering
- 🐛 Unreliable cloud/network connectivity

**Reported bugs**

- App closing unexpectedly when using certain features
- Inability to open large files without crashing
- Inconsistent file handling and naming

**Requested features**

- Advanced video player controls (fast forward, slow motion, zoom)
- Basic image editing tools
- Improved file/folder organization and naming
- Integration with more cloud storage services


### Ebook Reader Pro

[App page](https://appshunter.io/ios/app/ebook-reader-pro/id1505158572)

This application provides a fast and reliable way to read various document formats on iOS and Mac. It offers features like zoom, bookmarking, text selection, and search capabilities for an enhanced reading experience.

**Highlights:** Supports PDF, ePub, FB2, XPS, DjVu, CBZ, CBR, Pinch to zoom and smart zoom, Bookmark management, Table of contents support, Selectable and searchable text, Brightness adjustment, Document sharing and printing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is USB Disk Pro free?

USB Disk Pro costs $99.99, with no in-app purchases.

### Is Ebook Reader Pro free?

Ebook Reader Pro costs $5.99, with no in-app purchases.

### Which has better reviews, USB Disk Pro or Ebook Reader Pro?

USB Disk Pro is rated higher. USB Disk Pro averages 4.5 out of 5 from 142 ratings, while Ebook Reader Pro averages 2.0 from 1 ratings.

### Do USB Disk Pro or Ebook Reader Pro have ads?

Neither USB Disk Pro nor Ebook Reader Pro shows ads.

### Which is updated more often, USB Disk Pro or Ebook Reader Pro?

USB Disk Pro ships an update every 3 months, and Ebook Reader Pro every 4 days. Most recently, USB Disk Pro was updated on September 23, 2026 and Ebook Reader Pro on August 31, 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.*