# OOOO by Lemon Jam vs Retro Invaders

The clearest difference is price: OOOO by Lemon Jam at Free against Retro Invaders's $0.99. OOOO by Lemon Jam also leads on device support (3 vs 1) and iOS requirement (7.0 vs 17.6). Retro Invaders's advantage is chart position (#200 vs unranked). On ads and in-app purchases there is nothing between them.

OOOO by Lemon Jam is free to download; Retro Invaders costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | OOOO by Lemon Jam | Retro Invaders |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/oooo-by-lemon-jam/id1129729280/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 36 months |
| Monetization | Free | — |
| Best chart rank | — | **#200** |
| Size | 21 MB | 5 MB |
| Requires iOS | **7.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lemon Jam Technology Co., Ltd.](https://appshunter.io/developer/884737211) | [Jonathan French](https://appshunter.io/developer/1496794000) |

## What reviewers say

### OOOO by Lemon Jam

[App page](https://appshunter.io/ios/app/oooo-by-lemon-jam/id1129729280)

Embark on a journey through an abstract world of colors and shapes. This game offers a relaxing experience with original music and an elegant design across multiple rotating worlds and challenging levels.

**Highlights:** 4 Rotating Worlds, 80 Challenging Levels, Original Music, Elegant Design, Relaxing Experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Invaders

[App page](https://appshunter.io/ios/app/retro-invaders/id1496794001)

**Currently charting:** #200 Top Paid · Casual (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is OOOO by Lemon Jam free?

OOOO by Lemon Jam is free to download, with no in-app purchases.

### Is Retro Invaders free?

Retro Invaders costs $0.99, with no in-app purchases.

### Do OOOO by Lemon Jam or Retro Invaders have ads?

Neither OOOO by Lemon Jam nor Retro Invaders shows 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.*