# Pet Kboom vs Stack Royale 3D

The clearest difference is in-app purchases: Stack Royale 3D at none against Pet Kboom's 10. Pet Kboom's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pet Kboom sells 5 one-off in-app purchases. Stack Royale 3D asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on June 10, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Pet Kboom | Stack Royale 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pet-kboom/id6742480840/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 209 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dat Bui](https://appshunter.io/developer/1798649666) | [Clement Fossez](https://appshunter.io/developer/1808740338) |

## What reviewers say

### Pet Kboom

[App page](https://appshunter.io/ios/app/pet-kboom/id6742480840)

Combine adorable animals to create new creatures in this fun, casual merging game. Drop pets, watch them merge, and discover exciting surprises. Enjoy a relaxing gaming experience with cute graphics and easy-to-learn mechanics.

**Highlights:** Drop and merge cute pets, Discover new creatures, Easy-to-learn mechanics, Casual gaming experience, Cute graphics

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bag of Paws | $0.99 | one-time |
| Bag of Paws | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Bag of Paws | $4.99 | one-time |
| Bag of Paws | $9.99 | 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 Pet Kboom free?

Pet Kboom is free to download, with in-app purchases available.

### Is Stack Royale 3D free?

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

### Do Pet Kboom or Stack Royale 3D have ads?

Both Pet Kboom and Stack Royale 3D show ads.

### Which is updated more often, Pet Kboom or Stack Royale 3D?

Pet Kboom ships an update every 5 days, and Stack Royale 3D every 5 days. Most recently, Pet Kboom was updated on June 10, 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.*