# Portable USB · Cloud Ready vs Pico PDF Viewer

The clearest difference is in-app purchases: Pico PDF Viewer at none against Portable USB · Cloud Ready's 2. Pico PDF Viewer also leads on update cadence (weekly vs every 3 months). Portable USB · Cloud Ready's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Portable USB · Cloud Ready sells 2 one-off in-app purchases. Pico PDF Viewer asks for nothing beyond the download.

Portable USB · Cloud Ready ships an update every 3 months, Pico PDF Viewer weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Portable USB · Cloud Ready | Pico PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (60 ratings)](https://appshunter.io/ios/app/portable-usb-cloud-ready/id648162472/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 81.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [炜 桂](https://appshunter.io/developer/599269607) | [SHIH WEI LING](https://appshunter.io/developer/6803189463) |

## What reviewers say

### Portable USB · Cloud Ready

[App page](https://appshunter.io/ios/app/portable-usb-cloud-ready/id648162472)

Transform your iPhone into a portable storage hub for managing local and cloud files. Easily organize, view, and share various file types with a simple interface and powerful features like multi-platform cloud integration and secure encryption.

**Highlights:** Multi-platform cloud integration (GoogleDrive, Dropbox, OneDrive, iCloud), Wi-Fi and USB cable file transfer, Multi-layer data encryption (passcode, password, pattern, Touch ID), Comprehensive file management (search, categorize, compress), Full format support for viewing documents, media, and PDFs, Bidirectional file sharing via email or other apps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Cloud Feature | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Great for file management
- 👍 Supports multiple clouds
- 👍 Reliable for transfers
- 👍 Good for organizing docs

**What reviewers complain about**

- 🐛 Cannot register USB hard drive
- 🐛 Ads are unclosable
- 🐛 No thumbnail view for photos
- 🐛 Sync issues with Dropbox
- 🐛 App runs slow

**Reported bugs**

- USB to iPhone not registering
- Ads are unclosable due to placement
- Cannot sync with Dropbox
- Videos cannot be rotated to full screen
- Pictures organized in incorrect order

**Requested features**

- Option to see photos stored
- Thumbnail view for photos
- Smoother implementation
- Sync with Dropbox
- Option to check space available


### Pico PDF Viewer

[App page](https://appshunter.io/ios/app/pico-pdf-viewer/id6804466063)

**In-app purchases:** none


## Frequently asked questions

### Is Portable USB · Cloud Ready free?

Portable USB · Cloud Ready is free to download, with in-app purchases available.

### Is Pico PDF Viewer free?

Pico PDF Viewer is free to download, with no in-app purchases.

### Do Portable USB · Cloud Ready or Pico PDF Viewer have ads?

Both Portable USB · Cloud Ready and Pico PDF Viewer show ads.

### Which is updated more often, Portable USB · Cloud Ready or Pico PDF Viewer?

Portable USB · Cloud Ready ships an update every 3 months, and Pico PDF Viewer weekly. Most recently, Portable USB · Cloud Ready was updated on November 11, 2026 and Pico PDF Viewer on October 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.*