# Pi Genius vs Remember 3.1415

The clearest difference is rating: Pi Genius at 4.6 against Remember 3.1415's 4.0. Pi Genius also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 64 months). Remember 3.1415's advantage is review sentiment (100% vs 86%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Remember 3.1415 sells 1 one-off in-app purchase. Pi Genius asks for nothing beyond the download.

Pi Genius holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews complicate that: 86% of Pi Genius's written reviews are positive against 100% of Remember 3.1415's, so the app with the better star average is not the one people write more warmly about.

Pi Genius ships an update weekly, Remember 3.1415 every 64 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pi Genius | Remember 3.1415 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/pi-genius/id908145723/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/remember-31415/id985688958/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 64 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 17 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Johnson](https://appshunter.io/developer/908145726) | [杨军 朱](https://appshunter.io/developer/564474259) |

## 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


### Remember 3.1415

[App page](https://appshunter.io/ios/app/remember-31415/id985688958)

Challenge your math and logic skills with this game that tests your ability to recall digits of Pi. Compete against the clock in various timed modes or an endless challenge. AI provides helpful tips to improve your input speed and accuracy.

**Highlights:** Over 1 million digits of Pi, Multiple timed game modes, Endless challenge mode, AI-powered input tips, Game over on time or error

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Pro Version | $0.99 | one-time |


## Frequently asked questions

### Is Pi Genius free?

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

### Is Remember 3.1415 free?

Remember 3.1415 is free to download, with in-app purchases available.

### Which has better reviews, Pi Genius or Remember 3.1415?

Pi Genius is rated higher. Pi Genius averages 4.6 out of 5 from 5 ratings, while Remember 3.1415 averages 4.0 from 4 ratings.

### Do Pi Genius or Remember 3.1415 have ads?

Neither Pi Genius nor Remember 3.1415 shows ads.

### Which is updated more often, Pi Genius or Remember 3.1415?

Pi Genius ships an update weekly, and Remember 3.1415 every 64 months. Most recently, Pi Genius was updated on October 2, 2026 and Remember 3.1415 on October 3, 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.*