# Rainbow Monsters vs Stack Royale 3D

The clearest difference is price: Stack Royale 3D at Free against Rainbow Monsters's $0.99. Stack Royale 3D also leads on in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 months). Rainbow Monsters's advantage is ads (none vs shown).

Stack Royale 3D is free to download; Rainbow Monsters costs $0.99 up front. Rainbow Monsters sells 1 one-off in-app purchase. Stack Royale 3D asks for nothing beyond the download.

Rainbow Monsters ships an update every 2 months, Stack Royale 3D every 5 days. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Rainbow Monsters | Stack Royale 3D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/rainbow-monsters/id913590386/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 209 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NUIFISH LIMITED](https://appshunter.io/developer/525325232) | [Clement Fossez](https://appshunter.io/developer/1808740338) |

## What reviewers say

### Rainbow Monsters

[App page](https://appshunter.io/ios/app/rainbow-monsters/id913590386)

A fun color-matching game where players guide monsters to eat falling rainbow pieces. Slide monsters left or right to match colors, with a numbers mode for easier identification. Compete with friends through Game Center and unlock achievements.

**Highlights:** Color matching gameplay, Monster character control, Falling rainbow pieces, Numbers mode for colorblind players, Game Center integration, 23 unlockable achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Stack Royale 3D

[App page](https://appshunter.io/ios/app/stack-royale-3d/id6744656864)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rainbow Monsters free?

Rainbow Monsters costs $0.99, and also offers in-app purchases.

### Is Stack Royale 3D free?

Stack Royale 3D is free to download, with no in-app purchases.

### Do Rainbow Monsters or Stack Royale 3D have ads?

Stack Royale 3D shows ads; Rainbow Monsters does not.

### Which is updated more often, Rainbow Monsters or Stack Royale 3D?

Rainbow Monsters ships an update every 2 months, and Stack Royale 3D every 5 days. Most recently, Rainbow Monsters was updated on September 25, 2026 and Stack Royale 3D on September 10, 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.*