# 士电出厂设置 vs treVolo U

The clearest difference is iOS requirement: treVolo U at 12.1 against 士电出厂设置's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

士电出厂设置 ships an update monthly, treVolo U every 2 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 士电出厂设置 | treVolo U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 12 MB | 130 MB |
| Requires iOS | 15.6 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海生 徐](https://appshunter.io/developer/1483553293) | [BenQ Corporation](https://appshunter.io/developer/503100832) |

## What reviewers say

### 士电出厂设置

[App page](https://appshunter.io/ios/app/id1541968202)

**Features:** macOS Compatibility

**In-app purchases:** none


### treVolo U

[App page](https://appshunter.io/ios/app/trevolo-u/id1565297439)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 士电出厂设置 free?

士电出厂设置 is free to download, with no in-app purchases.

### Is treVolo U free?

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

### Do 士电出厂设置 or treVolo U have ads?

Neither 士电出厂设置 nor treVolo U shows ads.

### Which is updated more often, 士电出厂设置 or treVolo U?

士电出厂设置 ships an update monthly, and treVolo U every 2 months. Most recently, 士电出厂设置 was updated on October 16, 2026 and treVolo U on October 18, 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.*