# Ringfencing vs Pi Digits

The clearest difference is in-app purchases: Pi Digits at none against Ringfencing's 9. Pi Digits also leads on ads (none vs shown) and update cadence (monthly vs every 9 months). Ringfencing's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Ringfencing sells 9 one-off in-app purchases. Pi Digits asks for nothing beyond the download.

Ringfencing ships an update every 9 months, Pi Digits monthly. The most recent releases landed on September 16, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Ringfencing | Pi Digits |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Free |
| Size | 253 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mic Johansson](https://appshunter.io/developer/1333728790) | [Slavka Polanova](https://appshunter.io/developer/1708764553) |

## What reviewers say

### Ringfencing

[App page](https://appshunter.io/ios/app/ringfencing/id1504102828)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Some Coffee | $0.99 | one-time |
| Some Destructive Energy | $0.99 | one-time |
| More Coffee | $1.99 | one-time |
| More Destructive Energy | $1.99 | one-time |
| A Lot of Coffee | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Premium Themes | $2.99 | one-time |
| A Lot of Destructive Energy | $2.99 | one-time |
| Unlock All | $4.99 | 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 Ringfencing free?

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

### Is Pi Digits free?

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

### Do Ringfencing or Pi Digits have ads?

Ringfencing shows ads; Pi Digits does not.

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

Ringfencing ships an update every 9 months, and Pi Digits monthly. Most recently, Ringfencing was updated on September 16, 2026 and Pi Digits on September 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.*