# Fast Speed vs 甲醛武士

Fast Speed and 甲醛武士 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.

Fast Speed ships an update monthly, 甲醛武士 every 3 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fast Speed | 甲醛武士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 20 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BSurprise Company Limited](https://appshunter.io/developer/949258441) | [Linked Heart Technology Limited](https://appshunter.io/developer/1628264367) |

## What reviewers say

### Fast Speed

[App page](https://appshunter.io/ios/app/fast-speed/id6469591633)

**Features:** macOS Compatibility

**In-app purchases:** none


### 甲醛武士

[App page](https://appshunter.io/ios/app/id6479744059)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fast Speed free?

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

### Is 甲醛武士 free?

甲醛武士 is free to download, with no in-app purchases.

### Do Fast Speed or 甲醛武士 have ads?

Neither Fast Speed nor 甲醛武士 shows ads.

### Which is updated more often, Fast Speed or 甲醛武士?

Fast Speed ships an update monthly, and 甲醛武士 every 3 weeks. Most recently, Fast Speed was updated on October 3, 2026 and 甲醛武士 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.*