# POOLS™ vs Chain Reaction OG

The clearest difference is in-app purchases: Chain Reaction OG at none against POOLS™'s 1. Chain Reaction OG also leads on update cadence (monthly vs every 2 months). POOLS™'s advantage is ads (none vs shown) and device support (4 vs 2). On price there is nothing between them.

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

POOLS™ ships an update every 2 months, Chain Reaction OG monthly. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | POOLS™ | Chain Reaction OG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.6K ratings)](https://appshunter.io/ios/app/pools/id6670792878/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 1.9 GB | 50 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Tensori](https://appshunter.io/developer/1767614989) | [Mayank Kumar Gupta](https://appshunter.io/developer/1893402187) |

## What reviewers say

### POOLS™

[App page](https://appshunter.io/ios/app/pools/id6670792878)

This app offers a slow, reflective, and immersive experience focused on exploration and atmosphere. It evokes feelings of unease and curiosity through its unique environments, inspired by liminal spaces and internet phenomena. Discover changing worlds and subtle narratives without traditional gameplay mechanics.

**Highlights:** Slow, reflective exploration, Atmospheric and immersive environments, Inspired by liminal spaces, Unfolding narrative through exploration, Six distinct chapters, Unique sound design

**Features:** Game Controller support, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| POOLS: Full Game | $9.99 | one-time |

**What reviewers like**

- 🚀 Immersive experience
- 🔒 No ads
- 👍 Incredible attention to detail
- 👍 Realistic graphics and sound
- 👍 Eerie and creepy atmosphere

**What reviewers complain about**

- 🐛 Boring after a while
- 🐛 Lack of variety in environments

**Reported bugs**

- Unable to move on iPad Pro
- Glitches reported

**Requested features**

- Expand to different Backrooms-inspired themes
- Add a multiplayer mode
- Introduce more interactive elements (e.g., monsters, items to discover)


### Chain Reaction OG

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

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

**In-app purchases:** none


## Frequently asked questions

### Is POOLS™ free?

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

### Is Chain Reaction OG free?

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

### Do POOLS™ or Chain Reaction OG have ads?

Chain Reaction OG shows ads; POOLS™ does not.

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

POOLS™ ships an update every 2 months, and Chain Reaction OG monthly. Most recently, POOLS™ was updated on October 19, 2026 and Chain Reaction OG on October 12, 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.*