# CRx vs Chain Reaction

The clearest difference is in-app purchases: Chain Reaction at none against CRx's 1. Chain Reaction also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CRx sells 1 one-off in-app purchase. Chain Reaction asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CRx | Chain Reaction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (26 ratings)](https://appshunter.io/ios/app/crx/id1495577612/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 66 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abhishek Aryan](https://appshunter.io/developer/1365121366) | [ANJU SIIMA TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1446564147) |

## What reviewers say

### CRx

[App page](https://appshunter.io/ios/app/crx/id1495577612)

Engage in an addictive strategy game where players aim to control the board by eliminating opponents' orbs. Place orbs strategically, triggering chain reactions to claim cells and outmaneuver rivals. Enjoy single-player or multiplayer modes with elegant gameplay and theme variations.

**Highlights:** Multiplayer (2-8 players), Eliminate opponent orbs, Chain reaction orb explosions, CPU mode for single-player, Theme variations (Black/White)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Chain Reaction

[App page](https://appshunter.io/ios/app/chain-reaction-multiplayer/id1592677727)

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

**In-app purchases:** none


## Frequently asked questions

### Is CRx free?

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

### Is Chain Reaction free?

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

### Do CRx or Chain Reaction have ads?

Both CRx and Chain Reaction show ads.

### Which is updated more often, CRx or Chain Reaction?

CRx ships an update every 3 months, and Chain Reaction every 3 months. Most recently, CRx was updated on October 21, 2026 and Chain Reaction on October 11, 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.*