# Sci vs Rock Game 3

The clearest difference is in-app purchases: Sci at none against Rock Game 3's 4. Sci also leads on device support (4 vs 1) and iOS requirement (11.0 vs 17.0). Rock Game 3's advantage is update cadence (every 3 days vs every 58 months). On price and ads there is nothing between them.

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

Sci ships an update every 58 months, Rock Game 3 every 3 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sci | 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 | No | No |
| Update frequency | Every 58 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 41 MB | 736 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Marek Skreko](https://appshunter.io/developer/1558127762) | [Logan Taylor](https://appshunter.io/developer/1843506851) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-fi-platformer/id1558127760)

**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 Sci free?

Sci 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 Sci or Rock Game 3 have ads?

Neither Sci nor Rock Game 3 shows ads.

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

Sci ships an update every 58 months, and Rock Game 3 every 3 days. Most recently, Sci was updated on October 7, 2026 and Rock Game 3 on October 24, 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.*