Pi 100 Challenge vs Flipzzy
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pi 100 Challenge
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Some people climb mountains, while others run marathons. You are challenging yourself to calculate Pi by hand. This app guides you through all the steps needed to compute Pi to 100 decimal places. Surprisingly enough, this doesn't require any complex math -- just basic addition, subtraction, multiplication and long division. Each page presents one problem to solve. Complete the problem, and move on to the next step. Take the Pi-100 Challenge, sharpen your mind, and calculate Pi. GameCenter integration allows you to track progress and achievements. Leaderboards allow you to race against your friends to see who can finish more digits, or solve for the digits faster.
Flipzzy
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Get ready to play Flipzzy, the go-to app for anyone who loves a classic memory game! Flip and match pairs of cards featuring cute, lively characters. Every game is a fun way to boost your memory and quick-thinking skills! Why You’ll Love Flipzzy: - Progressive Levels: Unlock new cards and take on tougher challenges as you level up! - A fresh, never-done-before mode to test your speed! - Vibrant Graphics: Enjoy colorful characters and themes that keep every match fresh and exciting. - Custom Game Modes: Shake things up with unique modes that challenge your ability to recall patterns in fresh ways! - Fun for All Ages: Perfect for kids and adults alike—keep your mind sharp while having a blast! Download Flipzzy today and see how sharp your memory really is!
Screenshots
Verdict
The clearest difference is price: Flipzzy at Free against Pi 100 Challenge's $0.99. Pi 100 Challenge's advantage is ads (none vs shown). On update cadence, in-app purchases, 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
Flipzzy is free to download; Pi 100 Challenge costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Pi 100 Challenge ships an update every 3 weeks, Flipzzy every 4 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.
| Parameter | Pi 100 Challenge | Flipzzy |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 11 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Ram Rao | Roberto Pistolato |
In-app purchases
Pi 100 Challenge
No in-app purchases
Flipzzy
No in-app purchases
Questions
Is Pi 100 Challenge free?
Is Flipzzy free?
Do Pi 100 Challenge or Flipzzy have ads?
Which is updated more often, Pi 100 Challenge or Flipzzy?
Other comparisons
