# UFO Puzzle vs FillBottom

The clearest difference is in-app purchases: FillBottom at none against UFO Puzzle's 1. FillBottom also leads on update cadence (monthly vs every 23 months) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. UFO Puzzle sells 1 one-off in-app purchase. FillBottom asks for nothing beyond the download.

UFO Puzzle ships an update every 23 months, FillBottom monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | UFO Puzzle | FillBottom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ufo-puzzle/id1397690042/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 23 months | **Monthly** |
| Monetization | Free | — |
| Size | 30 MB | 27 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chris DeWeese](https://appshunter.io/developer/1219015186) | [KAEGUREE](https://appshunter.io/developer/1183810155) |

## What reviewers say

### UFO Puzzle

[App page](https://appshunter.io/ios/app/ufo-puzzle/id1397690042)

Navigate challenging 3D mazes in an alien world to collect gems and power your ship to return home. This adventure game features hand-crafted levels and engaging space music, offering hours of addictive fun without distractions.

**Highlights:** 3D puzzle adventure, Collect all gems, Navigate difficult mazes, Hand-made graphics and levels, Space music, No ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### FillBottom

[App page](https://appshunter.io/ios/app/fillbottom/id1536327723)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UFO Puzzle free?

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

### Is FillBottom free?

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

### Do UFO Puzzle or FillBottom have ads?

Both UFO Puzzle and FillBottom show ads.

### Which is updated more often, UFO Puzzle or FillBottom?

UFO Puzzle ships an update every 23 months, and FillBottom monthly. Most recently, UFO Puzzle was updated on October 24, 2026 and FillBottom on October 27, 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.*