# PRND自排資訊館 vs Engine Performance Booster

PRND自排資訊館 and Engine Performance Booster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

PRND自排資訊館 ships an update every 5 months, Engine Performance Booster every 10 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PRND自排資訊館 | Engine Performance Booster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 10 months |
| Size | 32 MB | 21 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PING CHI HOUNG](https://appshunter.io/developer/624591207) | [StarRiver Digital Design Co. Ltd.](https://appshunter.io/developer/993138472) |

## What reviewers say

### PRND自排資訊館

[App page](https://appshunter.io/ios/app/prnd/id660988919)

**Features:** macOS Compatibility

**In-app purchases:** none


### Engine Performance Booster

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRND自排資訊館 free?

PRND自排資訊館 is free to download, with no in-app purchases.

### Is Engine Performance Booster free?

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

### Do PRND自排資訊館 or Engine Performance Booster have ads?

Neither PRND自排資訊館 nor Engine Performance Booster shows ads.

### Which is updated more often, PRND自排資訊館 or Engine Performance Booster?

PRND自排資訊館 ships an update every 5 months, and Engine Performance Booster every 10 months. Most recently, PRND自排資訊館 was updated on October 4, 2026 and Engine Performance Booster on October 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.*