# Pi Score Challenge vs Pi Sequence

The clearest difference is update cadence: Pi Score Challenge at fortnightly against Pi Sequence's every 3 months. Pi Score Challenge also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pi Score Challenge sells 1 one-off in-app purchase and Pi Sequence sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pi Score Challenge ships an update fortnightly, Pi Sequence every 3 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Pi Score Challenge | Pi Sequence |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 39 MB | 29 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lee Cooper](https://appshunter.io/developer/939505250) | [晓灵 潘](https://appshunter.io/developer/6781908128) |

## What reviewers say

### Pi Score Challenge

[App page](https://appshunter.io/ios/app/pi-score-challenge/id6495716223)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slice of Pie | $5.00 | one-time |


### Pi Sequence

[App page](https://appshunter.io/ios/app/pi-sequence-memorize-pi/id6783736734)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $3.99 | one-time |


## Frequently asked questions

### Is Pi Score Challenge free?

Pi Score Challenge is free to download, with in-app purchases available.

### Is Pi Sequence free?

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

### Do Pi Score Challenge or Pi Sequence have ads?

Neither Pi Score Challenge nor Pi Sequence shows ads.

### Which is updated more often, Pi Score Challenge or Pi Sequence?

Pi Score Challenge ships an update fortnightly, and Pi Sequence every 3 months. Most recently, Pi Score Challenge was updated on October 6, 2026 and Pi Sequence on October 10, 2026.

---

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