# Engine Performance Booster vs 傳說小工具

The clearest difference is in-app purchases: Engine Performance Booster at none against 傳說小工具's 1. Engine Performance Booster also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.5). 傳說小工具's advantage is update cadence (every 5 weeks vs every 10 months). On price and device support there is nothing between them.

Both are free to download. 傳說小工具 sells 1 in-app purchase, starting at $0.99 per month. Engine Performance Booster asks for nothing beyond the download.

Engine Performance Booster ships an update every 10 months, 傳說小工具 every 5 weeks. The most recent releases landed on September 20, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Engine Performance Booster | 傳說小工具 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1664793884/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 21 MB | 8 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STAR RIVER DIGITAL DESIGN COMPANY LIMITED](https://appshunter.io/developer/993138472) | [CHIEN LUNG CHOU](https://appshunter.io/developer/1664794156) |

## What reviewers say

### Engine Performance Booster

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 傳說小工具

[App page](https://appshunter.io/ios/app/id1664793884)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Monthly | $0.99 | per month |


## Frequently asked questions

### Is Engine Performance Booster free?

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

### Is 傳說小工具 free?

傳說小工具 is free to download, with in-app purchases available.

### Do Engine Performance Booster or 傳說小工具 have ads?

傳說小工具 shows ads; Engine Performance Booster does not.

### Which is updated more often, Engine Performance Booster or 傳說小工具?

Engine Performance Booster ships an update every 10 months, and 傳說小工具 every 5 weeks. Most recently, Engine Performance Booster was updated on September 20, 2026 and 傳說小工具 on September 7, 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.*