# USB Sharp Pro vs 国色考

The clearest difference is in-app purchases: USB Sharp Pro at none against 国色考's 1. 国色考's advantage is update cadence (every 3 weeks vs every 2 months) and price ($0.29 vs $2.99). On ads, device support and iOS requirement there is nothing between them.

USB Sharp Pro costs $2.99 and 国色考 $0.29 up front. 国色考 sells 1 one-off in-app purchase. USB Sharp Pro asks for nothing beyond the download.

USB Sharp Pro ships an update every 2 months, 国色考 every 3 weeks. The most recent releases landed on September 22, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | USB Sharp Pro | 国色考 |
| --- | --- | --- |
| Price | $2.99 | **$0.29** |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/usb-sharp-pro/id436590784/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 52 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [正旋 金](https://appshunter.io/developer/1452746772) |

## What reviewers say

### USB Sharp Pro

[App page](https://appshunter.io/ios/app/usb-sharp-pro/id436590784)

Transform your iPhone or iPad into a portable wireless storage disk for efficient file management.  Supports a wide range of file types for viewing, editing, and transferring via Wi-Fi or iTunes.

**Highlights:** Wireless storage disk, File management, Wi-Fi transfer, iTunes file sharing, Document reader, E-book reader, Music player

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

**In-app purchases:** none


### 国色考

[App page](https://appshunter.io/ios/app/id6444863051)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 灵犀币100枚 | $0.99 | one-time |


## Frequently asked questions

### Is USB Sharp Pro free?

USB Sharp Pro costs $2.99, with no in-app purchases.

### Is 国色考 free?

国色考 costs $0.29, and also offers in-app purchases.

### Do USB Sharp Pro or 国色考 have ads?

Neither USB Sharp Pro nor 国色考 shows ads.

### Which is updated more often, USB Sharp Pro or 国色考?

USB Sharp Pro ships an update every 2 months, and 国色考 every 3 weeks. Most recently, USB Sharp Pro was updated on September 22, 2026 and 国色考 on August 15, 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.*