# Singularity vs Chain Reaction OG

The clearest difference is update cadence: Chain Reaction OG at monthly against Singularity's every 7 months. Singularity's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Singularity ships an update every 7 months, Chain Reaction OG monthly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Singularity | Chain Reaction OG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/chain-reaction-og/id6792323513/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 50 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramil Mammadov](https://appshunter.io/developer/1525867385) | [Mayank Kumar Gupta](https://appshunter.io/developer/1893402187) |

## What reviewers say

### Singularity

[App page](https://appshunter.io/ios/app/singularity-chain-reaction/id6759178913)

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

**In-app purchases:** none


### Chain Reaction OG

[App page](https://appshunter.io/ios/app/chain-reaction-og/id6792323513)

Engage in a fast-paced local multiplayer strategy game for 2-8 players. Place atoms to trigger explosive chain reactions, capture the board, and eliminate opponents. Simple to learn but requires clever planning and timing for mastery.

**Highlights:** Local multiplayer for 2-8 players, Fast-paced strategy matches, Customizable board sizes and styles, Simple controls, No account required, Unlockable orb finishes and arena skins

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

**In-app purchases:** none


## Frequently asked questions

### Is Singularity free?

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

### Is Chain Reaction OG free?

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

### Do Singularity or Chain Reaction OG have ads?

Both Singularity and Chain Reaction OG show ads.

### Which is updated more often, Singularity or Chain Reaction OG?

Singularity ships an update every 7 months, and Chain Reaction OG monthly. Most recently, Singularity was updated on October 28, 2026 and Chain Reaction OG on October 31, 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.*