# Klee vs Fast Math Blitz

The clearest difference is in-app purchases: Fast Math Blitz at none against Klee's 2. Klee's advantage is iOS requirement (9.0 vs 12.5). On price, ads and device support there is nothing between them.

Both are free to download. Klee sells 2 one-off in-app purchases. Fast Math Blitz asks for nothing beyond the download.

## The numbers

| Metric | Klee | Fast Math Blitz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/klee-spacetime-cleaners/id1483582713/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 82 MB |
| Requires iOS | **9.0** | 12.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [I Chen Sheng](https://appshunter.io/developer/536427960) | [AMERICAN RECOVERY AGENCY LLC](https://appshunter.io/developer/1805337613) |

## What reviewers say

### Klee

[App page](https://appshunter.io/ios/app/klee-spacetime-cleaners/id1483582713)

Embark on an intergalactic adventure to defeat monsters and collect energy cores. This auto shoot'em up game features intuitive controls, automated firing, and a variety of props and unlockable characters. Explore different game modes and enjoy randomly generated levels for endless fun.

**Highlights:** Automated firing gameplay, Intuitive 3-button controls, Wide range of props and weaponry, Unlockable characters with unique props, Chapter Challenge and Infinity game modes, Randomly generated levels and monsters

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ADS FREE PACK (Special Offer) | $1.99 | one-time |
| ADS FREE PACK | $3.99 | one-time |


### Fast Math Blitz

[App page](https://appshunter.io/ios/app/fast-math-blitz/id6743958220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klee free?

Klee is free to download, with in-app purchases available.

### Is Fast Math Blitz free?

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

### Do Klee or Fast Math Blitz have ads?

Both Klee and Fast Math Blitz show ads.

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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.*