# USB Stick with Viewers vs TurtleBackup

The clearest difference is review sentiment: TurtleBackup at 100% against USB Stick with Viewers's 33%. TurtleBackup also leads on price (Free vs $1.99) and in-app purchases (none vs 9). USB Stick with Viewers's advantage is iOS requirement (14.0 vs 17.0.1). On update cadence, ads and device support there is nothing between them.

TurtleBackup is free to download; USB Stick with Viewers costs $1.99 up front. USB Stick with Viewers sells 9 one-off in-app purchases. TurtleBackup asks for nothing beyond the download.

USB Stick with Viewers ships an update every 6 weeks, TurtleBackup every 3 weeks. The most recent releases landed on August 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | USB Stick with Viewers | TurtleBackup |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/turtlebackup/id6744168248/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 1 MB |
| Requires iOS | **14.0** | 17.0.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Corporate Smalltalk Consulting Ltd](https://appshunter.io/developer/312622074) | [SERGEI SOKOLOV](https://appshunter.io/developer/1806340910) |

## What reviewers say

### USB Stick with Viewers

[App page](https://appshunter.io/ios/app/usb-stick-with-viewers/id404616588)

Transform your iOS device into a portable storage solution. Easily transfer files to and from your computer via iTunes, and access your Dropbox files offline. Annotate documents, sign faxes, and organize your files with optional local storage folders.

**Highlights:** File transfer via iTunes, Dropbox file caching and offline viewing, Document annotation and signing, Local folder organization, Support for various document types, PDF and FAX pre-rendering, Print, email, and PDF creation

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No iAds | $0.99 | one-time |
| Folders | $0.99 | one-time |
| Accelerated PDF viewing | $1.99 | one-time |
| Extra Image Types | $2.99 | one-time |
| Large Format Pages | $3.99 | one-time |
| Enable Signature and Annotation | $3.99 | one-time |
| Enable Cloud Server | $4.99 | one-time |
| Read Fax files | $5.99 | one-time |
| Everything | $9.99 | one-time |


### TurtleBackup

[App page](https://appshunter.io/ios/app/turtlebackup/id6744168248)

This utility app allows you to back up files from memory cards to external drives or internal storage, ideal for travelers. It offers options for folder structure, file filtering, and incremental backups, ensuring data integrity and easy review of backup history.

**Highlights:** Backup memory cards to external drives or internal storage, Organize backups by original structure, date, or date/type, Filter files by creation date, Incremental backup support, Integrity check with checksum comparison, Backup history log

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USB Stick with Viewers free?

USB Stick with Viewers costs $1.99, and also offers in-app purchases.

### Is TurtleBackup free?

TurtleBackup is free to download, with no in-app purchases.

### Do USB Stick with Viewers or TurtleBackup have ads?

Neither USB Stick with Viewers nor TurtleBackup shows ads.

### Which is updated more often, USB Stick with Viewers or TurtleBackup?

USB Stick with Viewers ships an update every 6 weeks, and TurtleBackup every 3 weeks. Most recently, USB Stick with Viewers was updated on August 22, 2026 and TurtleBackup on September 9, 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.*