# USB Disk Pro vs PDF Maker

The clearest difference is price: PDF Maker at Free against USB Disk Pro's $99.99. PDF Maker also leads on rating (5.0 vs 4.5) and review sentiment (100% vs 66%). USB Disk Pro's advantage is in-app purchases (none vs 3) and ratings volume (142 vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

PDF Maker is free to download; USB Disk Pro costs $99.99 up front. PDF Maker sells 3 in-app purchases, starting at $2.99 per month. USB Disk Pro asks for nothing beyond the download.

PDF Maker holds the better App Store score, 5.0 against 4.5. 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: 66% of USB Disk Pro's written reviews are positive against 100% of PDF Maker's.

USB Disk Pro ships an update every 3 months, PDF Maker every 2 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | USB Disk Pro | PDF Maker |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | [4.5 (142 ratings)](https://appshunter.io/ios/app/usb-disk-pro/id412591849/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-maker-convert-and-scan/id6756859030/reviews)** |
| Number of ratings | **142** | 1 |
| Positive reviews | 65.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 215 MB | 5 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Imesart S.a.r.l.](https://appshunter.io/developer/290160983) | [Igor Bidenko](https://appshunter.io/developer/1824855550) |

## 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


### PDF Maker

[App page](https://appshunter.io/ios/app/pdf-maker-convert-and-scan/id6756859030)

Transform your device into a portable document studio. Convert images to PDF, scan documents, merge files, and compress PDFs in seconds. This app offers a suite of tools for managing and editing documents on the go, with a focus on privacy and an intuitive interface.

**Highlights:** Convert images to PDF, Document scanner with edge detection, Merge multiple PDF files, Compress and reduce PDF size, Flatten interactive PDF elements, Rotate pages, View and edit PDF pages

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Maker | $2.99 | per month |
| PDF Maker | $9.99 | per year |
| PDF Maker | $14.99 | one-time |


## Frequently asked questions

### Is USB Disk Pro free?

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

### Is PDF Maker free?

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

### Which has better reviews, USB Disk Pro or PDF Maker?

PDF Maker is rated higher. USB Disk Pro averages 4.5 out of 5 from 142 ratings, while PDF Maker averages 5.0 from 1 ratings.

### Do USB Disk Pro or PDF Maker have ads?

Neither USB Disk Pro nor PDF Maker shows ads.

### Which is updated more often, USB Disk Pro or PDF Maker?

USB Disk Pro ships an update every 3 months, and PDF Maker every 2 months. Most recently, USB Disk Pro was updated on October 17, 2026 and PDF Maker on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*