# Pi Genius vs Rudoku

The clearest difference is update cadence: Pi Genius at weekly against Rudoku's every 3 weeks. Pi Genius also leads on iOS requirement (7.1 vs 18.0). Rudoku's advantage is ratings volume (19 vs 5). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Pi Genius against 4.7 for Rudoku. Both are backed by a comparable volume of ratings — 5 and 19 respectively. Written reviews are what separate them: 86% of Pi Genius's written reviews are positive against 85% of Rudoku's.

Pi Genius ships an update weekly, Rudoku every 3 weeks. Both last shipped on November 11, 2026.

## The numbers

| Metric | Pi Genius | Rudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/pi-genius/id908145723/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/rudoku/id965105321/reviews)** |
| Number of ratings | 5 | **19** |
| Positive reviews | **85.7% of reviews** | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 15 MB |
| Requires iOS | **7.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Johnson](https://appshunter.io/developer/908145726) | [Cerebral Gardens](https://appshunter.io/developer/287980272) |

## 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


### Rudoku

[App page](https://appshunter.io/ios/app/rudoku/id965105321)

This is a challenging number and logic puzzle game with multiple modes and difficulty levels. Track your progress with detailed stats and earn achievements. Enjoy endless playability with unique puzzles and accessibility features like dark mode.

**Highlights:** Multiple game modes, Adjustable difficulty levels, Variable board sizes, Detailed gameplay stats, Multiple achievements, Dark and light color modes, No in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is Pi Genius free?

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

### Is Rudoku free?

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

### Which has better reviews, Pi Genius or Rudoku?

Rudoku is rated higher. Pi Genius averages 4.6 out of 5 from 5 ratings, while Rudoku averages 4.7 from 19 ratings.

### Do Pi Genius or Rudoku have ads?

Neither Pi Genius nor Rudoku shows ads.

### Which is updated more often, Pi Genius or Rudoku?

Pi Genius ships an update weekly, and Rudoku every 3 weeks. Most recently, Pi Genius was updated on November 11, 2026 and Rudoku on November 11, 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.*