# Pi vs pi!

The clearest difference is iOS requirement: Pi at 17.6 against pi!'s 26.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Pi | pi! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pi-infinite-digits/id6760476465/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free | — |
| Size | 4 MB | 4 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Olivier Mallet](https://appshunter.io/developer/1884261967) | [Sijun Yang](https://appshunter.io/developer/1819339978) |

## What reviewers say

### Pi

[App page](https://appshunter.io/ios/app/pi-infinite-digits/id6760476465)

Explore the infinite digits of the mathematical constant π with unparalleled precision. Access millions of digits offline or trillions via the internet. Ideal for students, mathematicians, or anyone curious about this fundamental number.

**Highlights:** Calculate first N digits of Pi, Find the Nth digit of Pi, Arbitrary precision up to 50,000 digits offline, Unlimited digits via internet API, Calculation history, Copy and share results

**Features:** macOS Compatibility

**In-app purchases:** none


### pi!

[App page](https://appshunter.io/ios/app/pi/id6760577760)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pi free?

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

### Is pi! free?

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

### Do Pi or pi! have ads?

Neither Pi nor pi! shows ads.

---

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