3.14 Master Pi vs π Pi Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3.14 Master Pi
Read full descriptionHide full description
3.14 Master Pi makes learning and memorizing Pi (3.14159) fun, visual, and addictive. Challenge your brain, compete with friends, and discover the hidden beauty of circles, numbers, and logic through sleek, intuitive gameplay. Features: • Learn and memorize Pi by practicing digits in chunks and unlocking new levels. • Speed challenges let you race against time to recall as many digits as you can. • Real-world examples, like the Pizza Value Challenge, show how Pi applies to life. • Track progress with accuracy, streak, and milestone stats. • Customize your theme colors and keypad layout for a personal experience. • Achievements and ranks reward your improvement from "Pi Novice" to "Pi Master." Whether you are a math enthusiast, student, or puzzle lover, Master Pi helps you train your memory and enjoy exploring one of the world’s most fascinating constants. No ads. No distractions. Just pure Pi.
π Pi Challenge
Read full descriptionHide full description
An app for memorizing the digits of Pi. It supports up to 30 million digits… totally unnecessary, but fun. Comes with a ranking feature! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: 3.14 Master Pi at none against π Pi Challenge's shown. π Pi Challenge's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 3.14 Master Pi sells 5 one-off in-app purchases and π Pi Challenge sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.
| Parameter | 3.14 Master Pi | π Pi Challenge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | David Brown | SIC Company Limited |
In-app purchases
3.14 Master Pi
- Summation Supporter$2.99
- Premium (Lifetime)$4.99
- Radical Patron$9.99
Show 2 moreShow fewer
- Infinite Supporter$29.99
- Pi Master$99.99
π Pi Challenge
- Monthly Subscription$0.991 Month
