# 81 Rush vs Mathu

The clearest difference is review sentiment: Mathu at 100% against 81 Rush's 57%. Mathu also leads on ads (none vs shown) and iOS requirement (8.0 vs 17.0). 81 Rush's advantage is monetization model (free vs free with in-app purchases). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 81 Rush sells 3 one-off in-app purchases and Mathu sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 81 Rush | Mathu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (31 ratings)](https://appshunter.io/ios/app/81-rush/id881743883/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 129 MB | 43 MB |
| Requires iOS | 17.0 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Phan](https://appshunter.io/developer/881747886) | [TechCurl Ltd.](https://appshunter.io/developer/1162618706) |

## What reviewers say

### 81 Rush

[App page](https://appshunter.io/ios/app/81-rush/id881743883)

A 9x9 board puzzle game where players tap numbers from 1 to 81 in ascending order. It requires focus, speed, and memory to achieve high scores.

**Highlights:** 9x9 board puzzle, Tap numbers 1-81, Ascending order gameplay, Focus and speed challenge, High score pursuit

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Pass · 1 Month | $0.99 | one-time |
| Ad-Free Pass · 3 Months | $1.99 | one-time |
| No more Ads | $9.99 | one-time |


### Mathu

[App page](https://appshunter.io/ios/app/mathu-the-math-games-app/id1276005898)

Engage in a variety of math-based games designed to challenge your mental arithmetic skills. Progress through unlockable levels, utilize helpful boosts, and customize your experience with earned coins. Suitable for both children and adults looking to sharpen their math abilities.

**Highlights:** 8 unique game types, 6 unlockable levels, Mathu customization, Daily challenges, In-game boosts, Coin system

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pot of coins | $0.99 | one-time |
| chest of coins | $2.99 | one-time |
| vault of coins | $5.99 | one-time |


## Frequently asked questions

### Is 81 Rush free?

81 Rush is free to download, with in-app purchases available.

### Is Mathu free?

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

### Do 81 Rush or Mathu have ads?

81 Rush shows ads; Mathu does not.

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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.*