# NumMemorize vs Pi Deliberate

The clearest difference is iOS requirement: NumMemorize at 9.0 against Pi Deliberate's 15.1. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for NumMemorize against 5.0 for Pi Deliberate. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | NumMemorize | Pi Deliberate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nummemorize/id310151986/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pi-deliberate/id6757496426/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | Free |
| Size | 3 MB | 25 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mahboud Zabetian](https://appshunter.io/developer/310151989) | [Byeongsoo Kim](https://appshunter.io/developer/1440292411) |

## What reviewers say

### NumMemorize

[App page](https://appshunter.io/ios/app/nummemorize/id310151986)

This app helps users memorize digits of mathematical constants like pi and e through quizzes. It also allows users to input and memorize their own custom numbers, and offers voice input for convenience.

**Highlights:** Memorize digits of pi, e, and other constants, Quiz yourself on number recall, Input and memorize custom numbers, Voice input for number entry, Practice for math and science students

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NumMemorize free?

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

### Is Pi Deliberate free?

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

### Which has better reviews, NumMemorize or Pi Deliberate?

NumMemorize and Pi Deliberate are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do NumMemorize or Pi Deliberate have ads?

Neither NumMemorize nor Pi Deliberate 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.*