# Spinner Evolution vs Just a Rock

The clearest difference is rating: Spinner Evolution at 4.8 against Just a Rock's 3.3. Spinner Evolution also leads on ratings volume (1.2K vs 6). Just a Rock's advantage is in-app purchases (none vs 12). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Spinner Evolution sells 12 one-off in-app purchases. Just a Rock asks for nothing beyond the download.

Spinner Evolution holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Spinner Evolution has 1.2K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 32% of Spinner Evolution's written reviews are positive against 25% of Just a Rock's.

Spinner Evolution ships an update every 6 days, Just a Rock weekly. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Spinner Evolution | Just a Rock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/spinner-evolution/id6797758873/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/just-a-rock/id6810886970/reviews) |
| Number of ratings | **1.2K** | 6 |
| Positive reviews | **31.6% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #62 | **#22** |
| Size | 359 MB | 377 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [HYPERMONK GAMES OYUN YAZILIM PAZARLAMA VE DANISMANLIK ANONIM SIRKETI](https://appshunter.io/developer/1606935141) | [Heseri Games Inc](https://appshunter.io/developer/1720297696) |

## What reviewers say

### Spinner Evolution

[App page](https://appshunter.io/ios/app/spinner-evolution/id6797758873)

**Currently charting:** #62 Top Grossing · Racing, #73 Top Free · Racing (US App Store)

Launch your spinner, build speed, and travel as far as possible. Collect rewards to upgrade and evolve your spinner into more powerful forms. Smash through obstacles and explore new environments to become the ultimate spinning machine.

**Highlights:** Launch and spin mechanics, Spinner evolution system, Collect and upgrade spinner attributes, Smash through obstacles, Explore diverse environments, Satisfying progression

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Energy Pack 1 | $1.99 | one-time |
| Gem Pack 1 | $1.99 | one-time |
| Energy Pack 2 | $4.99 | one-time |
| Auto X3 Coins | $4.99 | one-time |
| Gem Pack 2 | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| No Ads Pack | $7.99 | one-time |
| Double Rocket Booster | $9.99 | one-time |
| Gem Pack 3 | $9.99 | one-time |
| Gem Pack 4 | $19.99 | one-time |
| Gem Pack 5 | $29.99 | one-time |
| Gem Pack 6 | $49.99 | one-time |


### Just a Rock

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

**Currently charting:** #22 Top Free · Simulation, #163 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 Spinner Evolution free?

Spinner Evolution is free to download, with in-app purchases available.

### Is Just a Rock free?

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

### Which has better reviews, Spinner Evolution or Just a Rock?

Spinner Evolution is rated higher. Spinner Evolution averages 4.8 out of 5 from 1.2K ratings, while Just a Rock averages 3.3 from 6 ratings.

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

Both Spinner Evolution and Just a Rock show ads.

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

Spinner Evolution ships an update every 6 days, and Just a Rock weekly. Most recently, Spinner Evolution was updated on October 23, 2026 and Just a Rock on October 22, 2026.

### Which is more popular, Spinner Evolution or Just a Rock?

Spinner Evolution currently peaks at #62 in the App Store charts, and Just a Rock at #22. Chart position reflects recent download velocity rather than total install base.

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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.*