# Pi Digits vs MoMo

The clearest difference is ads: Pi Digits at none against MoMo's shown. MoMo's advantage is update cadence (every 2 weeks vs monthly) and device support (3 vs 1). On price 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, MoMo every 2 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pi Digits | MoMo |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Slavka Polanova](https://appshunter.io/developer/1708764553) | [JAEMIN LEE](https://appshunter.io/developer/1894477300) |

## 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


### MoMo

[App page](https://appshunter.io/ios/app/momo-morse-code/id6779153785)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pi Digits free?

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

### Is MoMo free?

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

### Do Pi Digits or MoMo have ads?

MoMo shows ads; Pi Digits does not.

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

Pi Digits ships an update monthly, and MoMo every 2 weeks. Most recently, Pi Digits was updated on October 4, 2026 and MoMo on October 7, 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.*