π Challenge vs π Pi Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
π Challenge
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"Pi Challenge" is a fun and engaging brain-training game designed to help you memorize Pi while improving your memory and concentration skills. Easy-to-use controls make this game accessible to everyone—just input the next digit of Pi correctly to extend your streak. Be careful—one wrong digit and it's game over! Compete against yourself and your friends, share your best scores on social media, and enjoy a quick brain exercise anytime, anywhere. Exciting updates are on the way, including a Time Attack mode, online leaderboards, and educational features to master memorizing Pi. Join the challenge today and become a Pi master!
π Pi Challenge
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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 in-app purchases: π Challenge at none against π Pi Challenge's 1. π Challenge also leads on ads (none vs shown). π Pi Challenge's advantage is update cadence (every 2 months vs every 9 months). On price, device support and iOS requirement 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. π Pi Challenge sells 1 in-app purchase, starting at $0.99 per month. π Challenge asks for nothing beyond the download.
π Challenge ships an update every 9 months, π Pi Challenge every 2 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | π Challenge | π Pi Challenge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Warashibe Tech LLC | SIC Company Limited |
In-app purchases
π Challenge
No in-app purchases
π Pi Challenge
- Monthly Subscription$0.991 Month
Questions
Is π Challenge free?
Is π Pi Challenge free?
Do π Challenge or π Pi Challenge have ads?
Which is updated more often, π Challenge or π Pi Challenge?
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