# NumMemorize vs PiSeeker

The clearest difference is update cadence: PiSeeker at fortnightly against NumMemorize's every 4 months. NumMemorize's advantage is iOS requirement (9.0 vs 18.2). 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 PiSeeker. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

NumMemorize ships an update every 4 months, PiSeeker fortnightly. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NumMemorize | PiSeeker |
| --- | --- | --- |
| 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/piseeker/id6747010305/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 | **Fortnightly** |
| Monetization | Free | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | **9.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mahboud Zabetian](https://appshunter.io/developer/310151989) | [Adam Thomas Hayes](https://appshunter.io/developer/1819363637) |

## 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


### PiSeeker

[App page](https://appshunter.io/ios/app/piseeker/id6747010305)

Challenge your memory and math skills with this application focused on the digits of Pi. It offers four distinct modes: voice recognition recitation, typing practice, a digit-hunting puzzle, and a simple viewing mode. Designed for math enthusiasts and students, it prioritizes a clean interface and user privacy.

**Highlights:** Voice recognition Pi recitation, Typing Pi digits practice, Range-based Pi digit puzzle, Pi digit viewing mode, Progress tracking, Accessibility features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumMemorize free?

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

### Is PiSeeker free?

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

### Which has better reviews, NumMemorize or PiSeeker?

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

### Do NumMemorize or PiSeeker have ads?

Neither NumMemorize nor PiSeeker shows ads.

### Which is updated more often, NumMemorize or PiSeeker?

NumMemorize ships an update every 4 months, and PiSeeker fortnightly. Most recently, NumMemorize was updated on September 28, 2026 and PiSeeker on October 11, 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.*