# Pi Genius vs Mental Math

The clearest difference is rating: Pi Genius at 4.6 against Mental Math's 3.8. Pi Genius also leads on in-app purchases (none vs 2) and review sentiment (86% vs 60%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Mental Math sells 2 in-app purchases, starting at $6.99 per month. Pi Genius asks for nothing beyond the download.

Pi Genius holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 5 and 14 respectively. Written reviews point the same way: 86% of Pi Genius's written reviews are positive against 60% of Mental Math's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pi Genius | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/pi-genius/id908145723/reviews)** | [3.8 (14 ratings)](https://appshunter.io/ios/app/mental-math/id6741392626/reviews) |
| Number of ratings | 5 | **14** |
| Positive reviews | **85.7% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 27 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Johnson](https://appshunter.io/developer/908145726) | [Habi](https://appshunter.io/developer/1768088004) |

## What reviewers say

### Pi Genius

[App page](https://appshunter.io/ios/app/pi-genius/id908145723)

A simple, addictive game designed to help users memorize digits of Pi against a timer. Challenge yourself to tap the correct digits before time runs out and aim to become a Pi Genius. Suitable for all ages.

**Highlights:** Memorize Pi digits, Timed challenges, Addictive gameplay, Suitable for kids and adults, High score tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math/id6741392626)

This app makes practicing math skills enjoyable for all ages through habit-forming exercises. It offers various math topics, custom equation creation, and multiple input methods. Personalized feedback and progress tracking help build confidence and foster a love for math.

**Highlights:** Addition, subtraction, fractions, multiplication practice, Custom equation creation, Handwriting input and audio guidance, Personalized feedback and progress tracking, Playful characters and rewards system, Family learning options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math | $6.99 | per month |
| Mental Math | $49.99 | per year |


## Frequently asked questions

### Is Pi Genius free?

Pi Genius is free to download, with no in-app purchases.

### Is Mental Math free?

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

### Which has better reviews, Pi Genius or Mental Math?

Pi Genius is rated higher. Pi Genius averages 4.6 out of 5 from 5 ratings, while Mental Math averages 3.8 from 14 ratings.

### Do Pi Genius or Mental Math have ads?

Neither Pi Genius nor Mental Math shows ads.

### Which is updated more often, Pi Genius or Mental Math?

Pi Genius ships an update weekly, and Mental Math weekly. Most recently, Pi Genius was updated on October 2, 2026 and Mental Math on October 9, 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.*