# Rien. vs Silicon Evolution

The clearest difference is device support: Rien. at 3 against Silicon Evolution's —. Rien. also leads on iOS requirement (15.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Rien. sells 5 one-off in-app purchases and Silicon Evolution sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rien. | Silicon Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/silicon-evolution/id6760348929/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Size | 13 MB | 33 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [MATHIS GERALD JOSEPH RIFFAUT](https://appshunter.io/developer/1869007832) | [Jan Schmidt](https://appshunter.io/developer/1884028902) |

## What reviewers say

### 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 |


### Silicon Evolution

[App page](https://appshunter.io/ios/app/silicon-evolution/id6760348929)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Make Silicon Evolution AD free | $2.99 | one-time |


## Frequently asked questions

### Is Rien. free?

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

### Is Silicon Evolution free?

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

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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.*