# 光曲宝 vs USmart

The clearest difference is update cadence: USmart at every 3 months against 光曲宝's every 18 months. 光曲宝's advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

光曲宝 ships an update every 18 months, USmart every 3 months. The most recent releases landed on October 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 光曲宝 | USmart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Size | 49 MB | 128 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Guangqu Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1244657096) | [杭州品联科技有限公司](https://appshunter.io/developer/1133906765) |

## What reviewers say

### 光曲宝

[App page](https://appshunter.io/ios/app/id1244657097)

**Features:** macOS Compatibility

**In-app purchases:** none


### USmart

[App page](https://appshunter.io/ios/app/usmart/id1449674452)

**In-app purchases:** none


## Frequently asked questions

### Is 光曲宝 free?

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

### Is USmart free?

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

### Do 光曲宝 or USmart have ads?

Neither 光曲宝 nor USmart shows ads.

### Which is updated more often, 光曲宝 or USmart?

光曲宝 ships an update every 18 months, and USmart every 3 months. Most recently, 光曲宝 was updated on October 26, 2026 and USmart on October 1, 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.*