# Rainbow Monsters vs Papyrus Underworld

The clearest difference is price: Papyrus Underworld at Free against Rainbow Monsters's $0.99. Papyrus Underworld also leads on rating (5.0 vs 4.5) and device support (3 vs 1). Rainbow Monsters's advantage is ads (none vs shown) and update cadence (every 2 months vs every 20 months). On ratings volume, in-app purchases and monetization model there is nothing between them.

Papyrus Underworld is free to download; Rainbow Monsters costs $0.99 up front. Rainbow Monsters sells 1 one-off in-app purchase and Papyrus Underworld sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Papyrus Underworld holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Rainbow Monsters ships an update every 2 months, Papyrus Underworld every 20 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Rainbow Monsters | Papyrus Underworld |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/rainbow-monsters/id913590386/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/papyrus-underworld/id1448700880/reviews)** |
| Number of ratings | 2 | **3** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 41 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [NUIFISH LIMITED](https://appshunter.io/developer/525325232) | [Jay Moores](https://appshunter.io/developer/1447456824) |

## 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 |


### Papyrus Underworld

[App page](https://appshunter.io/ios/app/papyrus-underworld/id1448700880)

Guide ancient Egyptian figures through a vibrant afterlife arcade experience. Tap to jump over obstacles and collect Ankh to unlock bonus levels and reach eternal celebration. Immerse yourself in the artistry of hieroglyphics and papyrus.

**Highlights:** Tap and double tap to hop, Collect 10,000 Ankh, Unlock Tomb of Doom Bonus Level, Navigate Temple to Underworld, Ancient Egyptian graphic design

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Rainbow Monsters free?

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

### Is Papyrus Underworld free?

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

### Which has better reviews, Rainbow Monsters or Papyrus Underworld?

Papyrus Underworld is rated higher. Rainbow Monsters averages 4.5 out of 5 from 2 ratings, while Papyrus Underworld averages 5.0 from 3 ratings.

### Do Rainbow Monsters or Papyrus Underworld have ads?

Papyrus Underworld shows ads; Rainbow Monsters does not.

### Which is updated more often, Rainbow Monsters or Papyrus Underworld?

Rainbow Monsters ships an update every 2 months, and Papyrus Underworld every 20 months. Most recently, Rainbow Monsters was updated on October 24, 2026 and Papyrus Underworld on October 9, 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.*