# Pi Digits vs MathFlux

The clearest difference is in-app purchases: Pi Digits at none against MathFlux's 4. MathFlux's advantage is update cadence (every 8 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathFlux sells 4 one-off in-app purchases. Pi Digits asks for nothing beyond the download.

Pi Digits ships an update monthly, MathFlux every 8 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Pi Digits | MathFlux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Slavka Polanova](https://appshunter.io/developer/1708764553) | [Samuel Falade](https://appshunter.io/developer/1893409676) |

## What reviewers say

### Pi Digits

[App page](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843)

Test your ability to memorize and recall digits of Pi. Engage in fast-paced challenges to extend your streak and improve your number recall. Ideal for students, puzzle enthusiasts, or anyone seeking a quick mental workout.

**Highlights:** Memorize digits of Pi, Classic typing mode, Timed Blitz mode, Track best streaks, Quick brain workouts, Suitable for all levels

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### MathFlux

[App page](https://appshunter.io/ios/app/mathflux/id6762221667)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Tokens (5) | $0.99 | one-time |
| Value Tokens (20) | $2.99 | one-time |
| FluxCore Premium | $4.99 | one-time |
| Pro Tokens (50) | $4.99 | one-time |


## Frequently asked questions

### Is Pi Digits free?

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

### Is MathFlux free?

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

### Do Pi Digits or MathFlux have ads?

Neither Pi Digits nor MathFlux shows ads.

### Which is updated more often, Pi Digits or MathFlux?

Pi Digits ships an update monthly, and MathFlux every 8 days. Most recently, Pi Digits was updated on October 4, 2026 and MathFlux on October 6, 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.*