# Rock Collector vs Gemstone Tree

The clearest difference is rating: Rock Collector at 4.7 against Gemstone Tree's 3.9. Rock Collector also leads on update cadence (every 3 weeks vs every 8 months) and ratings volume (146 vs 17). Gemstone Tree's advantage is in-app purchases (none vs 11). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Rock Collector sells 11 one-off in-app purchases. Gemstone Tree asks for nothing beyond the download.

Rock Collector holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Rock Collector has 146 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 44% of Rock Collector's written reviews are positive against 43% of Gemstone Tree's.

Rock Collector ships an update every 3 weeks, Gemstone Tree every 8 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Rock Collector | Gemstone Tree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (146 ratings)](https://appshunter.io/ios/app/rock-collector/id1451822510/reviews)** | [3.9 (17 ratings)](https://appshunter.io/ios/app/gemstone-tree/id6448081708/reviews) |
| Number of ratings | **146** | 17 |
| Positive reviews | **44.4% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 92 MB | 71 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Jeffrey Koers](https://appshunter.io/developer/1299068386) | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) |

## What reviewers say

### Rock Collector

[App page](https://appshunter.io/ios/app/rock-collector/id1451822510)

Experience the thrill of accumulating vast quantities of rocks in this idle incremental game. Start a rock business, purchase automated collectors, and upgrade your operations to achieve astronomical rock counts. Discover gems and pet rocks to further boost your profits and become a rock tycoon.

**Highlights:** Collect insane amounts of rocks, Purchase miners and machines, Level up and complete milestones, Collect gems to boost profits, Attract pet rocks for profit boosts, Become a rock tycoon

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Rubies | $0.99 | one-time |
| 50 Rubies | $4.99 | one-time |
| Starter Pack | $7.99 | one-time |
| 110 Rubies | $9.99 | one-time |
| Time Warps Pack | $14.99 | one-time |
| Large Time Warps Pack | $14.99 | one-time |
| Super Multiplier Pack | $14.99 | one-time |
| Jack of All Trades Pack | $14.99 | one-time |
| 240 Rubies | $19.99 | one-time |
| MEGA Pack | $29.99 | one-time |
| 625 Rubies | $49.99 | one-time |


### Gemstone Tree

[App page](https://appshunter.io/ios/app/gemstone-tree/id6448081708)

Cultivate a magical gemstone tree to generate precious jewels and unlock a miniature world. This relaxing idle game allows you to simply watch your tree grow and discover the unfolding universe beneath it.

**Highlights:** Grow a gemstone tree, Earn jewels, Expand a new world, Healing idle gameplay, Discover a miniature universe

**In-app purchases:** none


## Frequently asked questions

### Is Rock Collector free?

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

### Is Gemstone Tree free?

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

### Which has better reviews, Rock Collector or Gemstone Tree?

Rock Collector is rated higher. Rock Collector averages 4.7 out of 5 from 146 ratings, while Gemstone Tree averages 3.9 from 17 ratings.

### Do Rock Collector or Gemstone Tree have ads?

Both Rock Collector and Gemstone Tree show ads.

### Which is updated more often, Rock Collector or Gemstone Tree?

Rock Collector ships an update every 3 weeks, and Gemstone Tree every 8 months. Most recently, Rock Collector was updated on October 24, 2026 and Gemstone Tree on October 7, 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.*