# Cosmic Synthesis vs CrystalReactor

The clearest difference is in-app purchases: CrystalReactor at none against Cosmic Synthesis's 1. CrystalReactor also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cosmic Synthesis sells 1 one-off in-app purchase. CrystalReactor asks for nothing beyond the download.

## The numbers

| Metric | Cosmic Synthesis | CrystalReactor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (15 ratings)](https://appshunter.io/ios/app/cosmic-synthesis-idle-builder/id6756239498/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 161 MB | 16 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NETBYTE UG (haftungsbeschränkt)](https://appshunter.io/developer/1854412817) | [Bohdan Kalinichenko](https://appshunter.io/developer/6791440431) |

## What reviewers say

### Cosmic Synthesis

[App page](https://appshunter.io/ios/app/cosmic-synthesis-idle-builder/id6756239498)

Build your own universe from atoms to galaxies in this idle-clicker adventure. Automate production, refine resources, and unlock cosmic milestones. The game adapts to both active strategists and idle players, offering a unique sci-fi experience.

**Highlights:** Tap to generate matter, Automate production chains, Refine resources into planets, Unlock over 50 cosmic milestones, Strategic talent tree, Prestige system for permanent upgrades, Offline progression

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


### CrystalReactor

[App page](https://appshunter.io/ios/app/crystalreactor/id6791440429)

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Synthesis free?

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

### Is CrystalReactor free?

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

### Do Cosmic Synthesis or CrystalReactor have ads?

Cosmic Synthesis shows ads; CrystalReactor 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.*