# Ace Brain vs Chain 2248

The clearest difference is in-app purchases: Chain 2248 at none against Ace Brain's 1. Chain 2248 also leads on update cadence (every 2 days vs every 6 months). Ace Brain's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Ace Brain sells 1 one-off in-app purchase. Chain 2248 asks for nothing beyond the download.

Ace Brain ships an update every 6 months, Chain 2248 every 2 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ace Brain | Chain 2248 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ace-brain/id1113917622/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 26 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA ISLETIM VE ULASTIRMA SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1342520369) | [Vladimir Fedotov](https://appshunter.io/developer/1770502137) |

## What reviewers say

### Ace Brain

[App page](https://appshunter.io/ios/app/ace-brain/id1113917622)

Enhance your memory, concentration, and cognitive abilities with this brain training game. Memorize card sequences and test your recall through progressively challenging levels. Regular play can lead to noticeable improvements in cognitive function.

**Highlights:** Memory training, Concentration improvement, Cognitive skill enhancement, Visual memory training, Process speed training, Endless levels

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Chain 2248

[App page](https://appshunter.io/ios/app/chain-2248/id6799135332)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ace Brain free?

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

### Is Chain 2248 free?

Chain 2248 is free to download, with no in-app purchases.

### Do Ace Brain or Chain 2248 have ads?

Chain 2248 shows ads; Ace Brain does not.

### Which is updated more often, Ace Brain or Chain 2248?

Ace Brain ships an update every 6 months, and Chain 2248 every 2 days. Most recently, Ace Brain was updated on October 7, 2026 and Chain 2248 on October 6, 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.*