# Purrbit vs Rock Game 3

The clearest difference is in-app purchases: Purrbit at none against Rock Game 3's 4. Purrbit also leads on update cadence (daily vs every 3 days) and iOS requirement (15.1 vs 17.0). Rock Game 3's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Rock Game 3 sells 4 in-app purchases, starting at $4.99 per month. Purrbit asks for nothing beyond the download.

Purrbit ships an update daily, Rock Game 3 every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Purrbit | Rock Game 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rock-game-3/id6784835008/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 25 MB | 736 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [theCommonist](https://appshunter.io/developer/1808643159) | [Logan Taylor](https://appshunter.io/developer/1843506851) |

## What reviewers say

### Purrbit

[App page](https://appshunter.io/ios/app/purrbit/id6744641524)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Game 3

[App page](https://appshunter.io/ios/app/rock-game-3/id6784835008)

Scan real-world rocks with your camera to adopt them as unique, collectible pets. Name, care for, and train your rock companions by walking, making them stronger. Explore a hand-illustrated canyon and log your discoveries in a gentle collecting game.

**Highlights:** Scan real rocks with camera, Adopt rocks as pets, Discover diverse rock species, Keep a field journal log, Train pets with real-world steps, Relaxing hand-illustrated environment

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rock Game 3+ | $4.99 | per month |
| 500 Pebbles | $1.99 | one-time |
| 1,400 Pebbles | $4.99 | one-time |
| 3,200 Pebbles | $9.99 | one-time |


## Frequently asked questions

### Is Purrbit free?

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

### Is Rock Game 3 free?

Rock Game 3 is free to download, with in-app purchases available.

### Do Purrbit or Rock Game 3 have ads?

Purrbit shows ads; Rock Game 3 does not.

### Which is updated more often, Purrbit or Rock Game 3?

Purrbit ships an update daily, and Rock Game 3 every 3 days. Most recently, Purrbit was updated on October 28, 2026 and Rock Game 3 on October 31, 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.*