# Crush9×9 vs Brain Training

The clearest difference is rating: Crush9×9 at 5.0 against Brain Training's 4.3. Crush9×9 also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Brain Training sells 1 one-off in-app purchase. Crush9×9 asks for nothing beyond the download.

Crush9×9 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Crush9×9 ships an update every 6 weeks, Brain Training every 2 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crush9×9 | Brain Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/crush99/id1505916500/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/brain-training-speed-tap/id1641067446/reviews) |
| Number of ratings | 2 | **3** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 109 MB | 9 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Crush9×9

[App page](https://appshunter.io/ios/app/crush99/id1505916500)

A quick brain training game that sharpens your mind in just 5 minutes a day. Solve multiplication problems by tapping the correct numbers to form equations. Suitable for all ages, it's a fun way to exercise your brain.

**Highlights:** Multiplication puzzle solving, Quick daily brain training, Simple tap controls, Suitable for all ages, Short play sessions

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Training

[App page](https://appshunter.io/ios/app/brain-training-speed-tap/id1641067446)

This casual puzzle game challenges you to tap numbers in ascending order as quickly as possible. Compete against friends or yourself with adjustable difficulty and track your best times. It's designed to boost cognitive skills and make learning numbers engaging for children.

**Highlights:** Tap numbers in ascending order, Adjustable number of keys, Track best and latest times, Online leaderboards, Suitable for children, Party game mode

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Crush9×9 free?

Crush9×9 is free to download, with no in-app purchases.

### Is Brain Training free?

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

### Which has better reviews, Crush9×9 or Brain Training?

Crush9×9 is rated higher. Crush9×9 averages 5.0 out of 5 from 2 ratings, while Brain Training averages 4.3 from 3 ratings.

### Do Crush9×9 or Brain Training have ads?

Both Crush9×9 and Brain Training show ads.

### Which is updated more often, Crush9×9 or Brain Training?

Crush9×9 ships an update every 6 weeks, and Brain Training every 2 months. Most recently, Crush9×9 was updated on October 21, 2026 and Brain Training on October 25, 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.*