# Silicon Evolution vs Criticality Idle

The clearest difference is device support: Criticality Idle at 3 against Silicon Evolution's —. Criticality Idle also leads on iOS requirement (13.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Silicon Evolution sells 1 one-off in-app purchase and Criticality Idle sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Silicon Evolution | Criticality Idle |
| --- | --- | --- |
| 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 | — | Yes |
| Update frequency | — | Every 4 days |
| Size | 33 MB | 250 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jan Schmidt](https://appshunter.io/developer/1884028902) | [Quantum Fuzz](https://appshunter.io/developer/6794480174) |

## What reviewers say

### 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 |


### Criticality Idle

[App page](https://appshunter.io/ios/app/criticality-idle-reactor-sim/id6794480172)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zirconium Nugget | $0.99 | one-time |
| Night Shift | $1.99 | one-time |
| Zirconium Ingot | $4.99 | one-time |
| 2x Offline Efficiency | $4.99 | one-time |
| Essential Bundle | $4.99 | one-time |
| 2x Income and No Ads | $7.99 | one-time |
| Zirconium Slab | $9.99 | one-time |


## Frequently asked questions

### Is Silicon Evolution free?

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

### Is Criticality Idle free?

Criticality Idle 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.*