# PiSeeker vs π Pi Challenge

The clearest difference is in-app purchases: PiSeeker at none against π Pi Challenge's 1. PiSeeker also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). π Pi Challenge's advantage is iOS requirement (13.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. π Pi Challenge sells 1 in-app purchase, starting at $0.99 per month. PiSeeker asks for nothing beyond the download.

PiSeeker ships an update fortnightly, π Pi Challenge every 2 months. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PiSeeker | π Pi Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piseeker/id6747010305/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 1 MB | 73 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Thomas Hayes](https://appshunter.io/developer/1819363637) | [SIC Company Limited](https://appshunter.io/developer/1800842356) |

## What reviewers say

### 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


### π Pi Challenge

[App page](https://appshunter.io/ios/app/pi-challenge/id6756227034)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is PiSeeker free?

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

### Is π Pi Challenge free?

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

### Do PiSeeker or π Pi Challenge have ads?

π Pi Challenge shows ads; PiSeeker does not.

### Which is updated more often, PiSeeker or π Pi Challenge?

PiSeeker ships an update fortnightly, and π Pi Challenge every 2 months. Most recently, PiSeeker was updated on October 11, 2026 and π Pi Challenge on October 28, 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.*