# Portable USB · Cloud Ready vs OTG Flash Pro

The clearest difference is in-app purchases: OTG Flash Pro at none against Portable USB · Cloud Ready's 2. OTG Flash Pro also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

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

Portable USB · Cloud Ready ships an update every 3 months, OTG Flash Pro every 10 days. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Portable USB · Cloud Ready | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (59 ratings)](https://appshunter.io/ios/app/portable-usb-cloud-ready/id648162472/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 81.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 136 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [炜 桂](https://appshunter.io/developer/599269607) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## 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 device. Easily manage local and cloud files, transfer them wirelessly or via USB, and share them securely. Supports a wide range of file formats for seamless viewing and organization.

**Highlights:** Cloud integration (GoogleDrive, Dropbox, OneDrive, iCloud), Wi-Fi and USB file transfer, Secure multi-layer encryption, Comprehensive file management (search, organize, compress), Full format support for viewing (PDF, Office, media), Easy file sharing

**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


### OTG Flash Pro

[App page](https://appshunter.io/ios/app/otg-flash-pro/id6752880818)

**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 OTG Flash Pro free?

OTG Flash Pro is free to download, with no in-app purchases.

### Do Portable USB · Cloud Ready or OTG Flash Pro have ads?

Portable USB · Cloud Ready shows ads; OTG Flash Pro does not.

### Which is updated more often, Portable USB · Cloud Ready or OTG Flash Pro?

Portable USB · Cloud Ready ships an update every 3 months, and OTG Flash Pro every 10 days. Most recently, Portable USB · Cloud Ready was updated on September 21, 2026 and OTG Flash Pro on September 12, 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.*