# Pie Runner vs Pi Digits

The clearest difference is in-app purchases: Pi Digits at none against Pie Runner's 2. Pie Runner's advantage is ratings volume (6 vs 1) and device support (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Pie Runner sells 2 one-off in-app purchases. Pi Digits asks for nothing beyond the download.

Pi Digits holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Pie Runner has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Pie Runner ships an update every 3 weeks, Pi Digits monthly. Both last shipped on October 4, 2026.

## The numbers

| Metric | Pie Runner | Pi Digits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/pie-runner/id1485118770/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 81 MB | 11 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Highway North Interactive Inc.](https://appshunter.io/developer/1436559105) | [Slavka Polanova](https://appshunter.io/developer/1708764553) |

## What reviewers say

### Pie Runner

[App page](https://appshunter.io/ios/app/pie-runner/id1485118770)

Memorize digits of Pi to race through a challenging game. Earn points to unlock avatar customizations, or make an in-app purchase for instant access. Compete with friends and the world for the highest scores.

**Highlights:** Memorize Pi digits, Avatar customization, Unlockable items, In-app purchases, Score comparison, Earn Pie Points

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Customization Unlock | $0.99 | one-time |
| Training Unlock | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Pie Runner free?

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

### Is Pi Digits free?

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

### Which has better reviews, Pie Runner or Pi Digits?

Pi Digits is rated higher. Pie Runner averages 4.8 out of 5 from 6 ratings, while Pi Digits averages 5.0 from 1 ratings.

### Do Pie Runner or Pi Digits have ads?

Neither Pie Runner nor Pi Digits shows ads.

### Which is updated more often, Pie Runner or Pi Digits?

Pie Runner ships an update every 3 weeks, and Pi Digits monthly. Most recently, Pie Runner was updated on October 4, 2026 and Pi Digits on October 4, 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.*