# 81 Rush vs Pyramid Math

The clearest difference is rating: Pyramid Math at 4.8 against 81 Rush's 4.2. Pyramid Math also leads on iOS requirement (13.0 vs 17.0). 81 Rush's advantage is monetization model (free vs free with in-app purchases) and ratings volume (31 vs 5). On price, ads, 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 Pyramid Math sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Pyramid Math holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: 81 Rush has 31 ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | 81 Rush | Pyramid Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (31 ratings)](https://appshunter.io/ios/app/81-rush/id881743883/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/pyramid-math-number-puzzle/id6450363190/reviews)** |
| Number of ratings | **31** | 5 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 129 MB | 83 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Phan](https://appshunter.io/developer/881747886) | [Uova Oy](https://appshunter.io/developer/871355780) |

## 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 |


### Pyramid Math

[App page](https://appshunter.io/ios/app/pyramid-math-number-puzzle/id6450363190)

Sharpen your mind with daily mental math challenges. Solve logic puzzles by applying mathematical operators to build a pyramid, with the correct answer always at the top. Enjoy endless, progressively difficult levels designed to boost brainpower and problem-solving skills.

**Highlights:** Endless puzzles, Progressive difficulty, Offline play, Boost brainpower, Stress-free gameplay, Quick play sessions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purhcase hints | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is 81 Rush free?

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

### Is Pyramid Math free?

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

### Which has better reviews, 81 Rush or Pyramid Math?

Pyramid Math is rated higher. 81 Rush averages 4.2 out of 5 from 31 ratings, while Pyramid Math averages 4.8 from 5 ratings.

### Do 81 Rush or Pyramid Math have ads?

Both 81 Rush and Pyramid Math show ads.

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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.*