# Ultrapool vs Chain Reaction OG

The clearest difference is rating: Ultrapool at 4.6 against Chain Reaction OG's 3.0. Ultrapool also leads on ads (none vs shown) and ratings volume (191 vs 2). Chain Reaction OG's advantage is in-app purchases (none vs 1). On price, device support and iOS requirement there is nothing between them.

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

Ultrapool holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Ultrapool has 191 ratings behind it against 2, so its average is the more settled of the two.

Ultrapool ships an update every 5 days, Chain Reaction OG monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ultrapool | Chain Reaction OG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (191 ratings)](https://appshunter.io/ios/app/ultrapool-pool-roguelite/id6769869241/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chain-reaction-og/id6792323513/reviews) |
| Number of ratings | **191** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#86** | — |
| Size | 408 MB | 50 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [offbrand games](https://appshunter.io/developer/1896695456) | [Mayank Kumar Gupta](https://appshunter.io/developer/1893402187) |

## What reviewers say

### Ultrapool

[App page](https://appshunter.io/ios/app/ultrapool-pool-roguelite/id6769869241)

**Currently charting:** #86 Top Free · Strategy, #101 Top Free · Card (US App Store)

Experience a unique pool game with roguelite elements and wacky ball effects. Craft strategic builds and pull off incredible trickshots to impress the bartenders. Survive 10 rounds of arcade-style pool with a variety of unique ball abilities.

**Highlights:** Roguelite pool gameplay, Wacky ball abilities, Strategic build crafting, Arcade-style trickshots, 10-round survival mode, Ball combination mechanics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $5.99 | one-time |


### 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 Ultrapool free?

Ultrapool 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.

### Which has better reviews, Ultrapool or Chain Reaction OG?

Ultrapool is rated higher. Ultrapool averages 4.6 out of 5 from 191 ratings, while Chain Reaction OG averages 3.0 from 2 ratings.

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

Chain Reaction OG shows ads; Ultrapool does not.

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

Ultrapool ships an update every 5 days, and Chain Reaction OG monthly. Most recently, Ultrapool was updated on November 1, 2026 and Chain Reaction OG on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*