# Engine Performance Booster vs 时辰

The clearest difference is ads: Engine Performance Booster at none against 时辰's shown. Engine Performance Booster also leads on iOS requirement (10.0 vs 16.0). On price, update cadence, 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.

Engine Performance Booster ships an update every 10 months, 时辰 every 6 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Engine Performance Booster | 时辰 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 21 MB | 146 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [StarRiver Digital Design Co. Ltd.](https://appshunter.io/developer/993138472) | [Shenyang Yuehe Gongchuang Information Technology Co.,Ltd](https://appshunter.io/developer/1578845704) |

## What reviewers say

### Engine Performance Booster

[App page](https://appshunter.io/ios/app/engine-performance-booster/id1619610828)

**Features:** macOS Compatibility

**In-app purchases:** none


### 时辰

[App page](https://appshunter.io/ios/app/id6748372619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engine Performance Booster free?

Engine Performance Booster is free to download, with no in-app purchases.

### Is 时辰 free?

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

### Do Engine Performance Booster or 时辰 have ads?

时辰 shows ads; Engine Performance Booster does not.

### Which is updated more often, Engine Performance Booster or 时辰?

Engine Performance Booster ships an update every 10 months, and 时辰 every 6 months. Most recently, Engine Performance Booster was updated on October 25, 2026 and 时辰 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.*