# DIY Simulator 3D vs UFOInvasion.io

The clearest difference is in-app purchases: UFOInvasion.io at none against DIY Simulator 3D's 2. UFOInvasion.io also leads on update cadence (every 2 months vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DIY Simulator 3D sells 2 in-app purchases, starting at $19.99 per month. UFOInvasion.io asks for nothing beyond the download.

DIY Simulator 3D ships an update every 19 months, UFOInvasion.io every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DIY Simulator 3D | UFOInvasion.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/ufoinvasionio/id6446844937/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 124 MB | 209 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [FRIENDLY APPS LTD](https://appshunter.io/developer/1514360327) | [Vladislav Shepotko](https://appshunter.io/developer/1679340728) |

## What reviewers say

### DIY Simulator 3D

[App page](https://appshunter.io/ios/app/diy-simulator-3d/id1518840821)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Bundle Features Unlocked! | $19.99 | per month |
| All AppCentral Games Unlocked! | $39.99 | per month |


### UFOInvasion.io

[App page](https://appshunter.io/ios/app/ufoinvasionio/id6446844937)

Command a UFO to invade and conquer Earth's cities with a variety of weapons and upgrades. Dominate the skies and unleash destruction in this thrilling conquest game where the planet's fate is in your hands.

**Highlights:** Command a UFO, Invade diverse cities, Vast arsenal of weapons, Weapon and UFO upgrades, Dominate the skies, Conquer cities

**In-app purchases:** none


## Frequently asked questions

### Is DIY Simulator 3D free?

DIY Simulator 3D is free to download, with in-app purchases available.

### Is UFOInvasion.io free?

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

### Do DIY Simulator 3D or UFOInvasion.io have ads?

Both DIY Simulator 3D and UFOInvasion.io show ads.

### Which is updated more often, DIY Simulator 3D or UFOInvasion.io?

DIY Simulator 3D ships an update every 19 months, and UFOInvasion.io every 2 months. Most recently, DIY Simulator 3D was updated on November 7, 2026 and UFOInvasion.io on November 3, 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.*