# 3 To 9 vs Brain Power

The clearest difference is review sentiment: Brain Power at 100% against 3 To 9's 0%. Brain Power also leads on price (Free vs $0.99) and rating (5.0 vs 3.2). On ratings volume, ads and device support there is nothing between them.

Brain Power is free to download; 3 To 9 costs $0.99 up front. 3 To 9 sells 1 one-off in-app purchase. Brain Power asks for nothing beyond the download.

Brain Power holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 0% of 3 To 9's written reviews are positive against 100% of Brain Power's.

3 To 9 ships an update every 5 months, Brain Power weekly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 3 To 9 | Brain Power |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/3-to-9-tic-tac-toe-evolution/id1386701407/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/brain-power-test-your-mind/id6748563419/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 129 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tocapp Games S.L.](https://appshunter.io/developer/1382683382) | [Devin Alexander Young](https://appshunter.io/developer/1792642941) |

## What reviewers say

### 3 To 9

[App page](https://appshunter.io/ios/app/3-to-9-tic-tac-toe-evolution/id1386701407)

Experience a classic game of Noughts and Crosses that dynamically expands from a 3x3 grid to a 9x9 strategic challenge. Compete against an AI or enjoy the 3x3 version on your Apple Watch. Choose from various visual themes for a personalized experience.

**Highlights:** Dynamic board expansion (3x3 to 9x9), Strategic gameplay with evolving goals, AI opponent for practice, Multiple visual themes, Apple Watch compatibility (3x3 version)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### Brain Power

[App page](https://appshunter.io/ios/app/brain-power-test-your-mind/id6748563419)

Engage in three distinct brain-training games designed to challenge your cognitive abilities. Compete globally in Challenge Mode or play casually to improve your scores. Test your logic, memory, and speed with unique gameplay mechanics.

**Highlights:** Challenge Mode for global competition, Casual play for individual improvement, Order Of Operations puzzle, Follow The Leader memory game, Speed card game, Test logic, memory, and speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3 To 9 free?

3 To 9 costs $0.99, and also offers in-app purchases.

### Is Brain Power free?

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

### Which has better reviews, 3 To 9 or Brain Power?

Brain Power is rated higher. 3 To 9 averages 3.2 out of 5 from 6 ratings, while Brain Power averages 5.0 from 5 ratings.

### Do 3 To 9 or Brain Power have ads?

Neither 3 To 9 nor Brain Power shows ads.

### Which is updated more often, 3 To 9 or Brain Power?

3 To 9 ships an update every 5 months, and Brain Power weekly. Most recently, 3 To 9 was updated on November 2, 2026 and Brain Power on November 5, 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.*