# Pi Digits vs Hyper Mnemonic

The clearest difference is device support: Hyper Mnemonic at 3 against Pi Digits's 1. Hyper Mnemonic also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Pi Digits ships an update monthly, Hyper Mnemonic every 3 weeks. The most recent releases landed on September 3, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Pi Digits | Hyper Mnemonic |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Slavka Polanova](https://appshunter.io/developer/1708764553) | [Daniel Albu](https://appshunter.io/developer/1797350328) |

## 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


### Hyper Mnemonic

[App page](https://appshunter.io/ios/app/hyper-mnemonic/id6742406383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pi Digits free?

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

### Is Hyper Mnemonic free?

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

### Do Pi Digits or Hyper Mnemonic have ads?

Neither Pi Digits nor Hyper Mnemonic shows ads.

### Which is updated more often, Pi Digits or Hyper Mnemonic?

Pi Digits ships an update monthly, and Hyper Mnemonic every 3 weeks. Most recently, Pi Digits was updated on September 3, 2026 and Hyper Mnemonic on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*