# Tire Evolution vs Just a Rock

The clearest difference is update cadence: Just a Rock at weekly against Tire Evolution's every 2 months. Just a Rock also leads on chart position (#21 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tire Evolution ships an update every 2 months, Just a Rock weekly. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Tire Evolution | Just a Rock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (6 ratings)](https://appshunter.io/ios/app/just-a-rock/id6810886970/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#21** |
| Size | 495 MB | 377 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Yso Corp](https://appshunter.io/developer/659815325) | [Heseri Games Inc](https://appshunter.io/developer/1720297696) |

## What reviewers say

### Tire Evolution

[App page](https://appshunter.io/ios/app/tire-evolution/id6787623148)

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

**In-app purchases:** none


### Just a Rock

[App page](https://appshunter.io/ios/app/just-a-rock/id6810886970)

**Currently charting:** #21 Top Free · Simulation, #159 Top Free · Games (US App Store)

Grow a larger rock as you race downhill, smashing obstacles in your path. Make strategic upgrade choices to reach the finish line in this satisfying, simple gameplay experience.

**Highlights:** Rock growth mechanics, Downhill smashing gameplay, Strategic upgrade system, Satisfying simple controls, Progressive level design

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

**In-app purchases:** none


## Frequently asked questions

### Is Tire Evolution free?

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

### Is Just a Rock free?

Just a Rock is free to download, with no in-app purchases.

### Do Tire Evolution or Just a Rock have ads?

Both Tire Evolution and Just a Rock show ads.

### Which is updated more often, Tire Evolution or Just a Rock?

Tire Evolution ships an update every 2 months, and Just a Rock weekly. Most recently, Tire Evolution was updated on October 12, 2026 and Just a Rock on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*