# UFO99 vs Quiet Phases

The clearest difference is in-app purchases: Quiet Phases at none against UFO99's 10. Quiet Phases also leads on ads (none vs shown). UFO99's advantage is device support (3 vs 1) and iOS requirement (12 vs 17.0). On price there is nothing between them.

Both are free to download. UFO99 sells 10 one-off in-app purchases. Quiet Phases asks for nothing beyond the download.

## The numbers

| Metric | UFO99 | Quiet Phases |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (41 ratings)](https://appshunter.io/ios/app/ufo99/id1549816260/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 69.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 28 MB |
| Requires iOS | **12** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [I Chen Sheng](https://appshunter.io/developer/536427960) | [Laurent Chouinard](https://appshunter.io/developer/1896321782) |

## What reviewers say

### UFO99

[App page](https://appshunter.io/ios/app/ufo99/id1549816260)

Engage in a vibrant arcade experience, smashing block monsters with hammers and collecting gems. Challenge increasingly difficult levels, battle giant bosses, and enjoy cooperative play with friends. Discover unique characters and power-ups in this fast-paced, visually appealing game.

**Highlights:** Easy flying and combat controls, 1-4 player local co-op multiplayer, Collect over 60 unique characters, Short, quick gameplay sessions (1-3 minutes), Battle giant bosses with power-ups, Colorful and cute graphics

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alpaca | $0.99 | one-time |
| Hippo | $0.99 | one-time |
| Rabbit | $0.99 | one-time |
| Frog | $0.99 | one-time |
| Snail | $0.99 | one-time |
| Big White Goose | $0.99 | one-time |
| Orange Cat | $0.99 | one-time |
| Summer Octopus | $0.99 | one-time |
| Ad Removal | $1.99 | one-time |
| Ad Removal | $3.99 | one-time |


### Quiet Phases

[App page](https://appshunter.io/ios/app/quiet-phases/id6782705603)

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

**In-app purchases:** none


## Frequently asked questions

### Is UFO99 free?

UFO99 is free to download, with in-app purchases available.

### Is Quiet Phases free?

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

### Do UFO99 or Quiet Phases have ads?

UFO99 shows ads; Quiet Phases does not.

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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.*