# Pi Deliberate vs Pi

The clearest difference is iOS requirement: Pi Deliberate at 15.1 against Pi's 17.6. On price, ads, in-app purchases and monetization model 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 Deliberate | 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 | Free |
| Size | 25 MB | 4 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Byeongsoo Kim](https://appshunter.io/developer/1440292411) | [Olivier Mallet](https://appshunter.io/developer/1884261967) |

## What reviewers say

### Pi Deliberate

[App page](https://appshunter.io/ios/app/pi-deliberate/id6757496426)

This app uses memorizing digits of pi to train expertise through deliberate practice. It provides a valid environment, repetitions, and timely feedback to foster recognition, memory, and intuition.

**Highlights:** Memorize digits of pi, Deliberate practice training, Timely feedback on accuracy, Track progress based on mastery, Learn using chunking method, Develop recognition and memory

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pi Deliberate free?

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

### Is Pi free?

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

### Do Pi Deliberate or Pi have ads?

Neither Pi Deliberate nor Pi shows ads.

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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.*