# Rock Collector vs Rien.

The clearest difference is ads: Rien. at none against Rock Collector's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Collector sells 11 one-off in-app purchases and Rien. sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rock Collector | Rien. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (146 ratings)](https://appshunter.io/ios/app/rock-collector/id1451822510/reviews)** | — |
| Number of ratings | **146** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 13 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Koers](https://appshunter.io/developer/1299068386) | [MATHIS GERALD JOSEPH RIFFAUT](https://appshunter.io/developer/1869007832) |

## 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 |


### Rien.

[App page](https://appshunter.io/ios/app/rien/id6758775156)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Warp 4h | $0.99 | one-time |
| Expansion Slots (+50) | $0.99 | one-time |
| Time Warp 12h | $1.99 | one-time |
| Time Warp 24h | $2.99 | one-time |
| Infinite Void | $3.99 | one-time |


## Frequently asked questions

### Is Rock Collector free?

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

### Is Rien. free?

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

### Do Rock Collector or Rien. have ads?

Rock Collector shows ads; Rien. does not.

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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.*