π ~PI~ vs Word Gaps
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
π ~PI~
Learn the digits of pi with engaging practice and challenge modes. Test your memory and see how many digits you can recall. Perfect for math enthusiasts and those looking to improve their memorization skills.
- Learn pi digits
- Practice mode
- Challenge mode
- Memorize long sequences
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This app supports to learn pi (ratio of a circle's circumference). You can choose PRACTICE MODE and CHALLENGE MODE. Learn longer, longer, longer digits.
Word Gaps
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Hello friends, Another simple and small word game. This time you must complete the words that are missing some letters. One thing you need to remember that words share the same missing letters; so the problem seem to be more simple. It's really fun ! Play and feel free to give your feedback here!
Screenshots
Verdict
The clearest difference is update cadence: π ~PI~ at every 6 months against Word Gaps's every 15 months. π ~PI~ also leads on iOS requirement (8.0 vs 13.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.
π ~PI~ ships an update every 6 months, Word Gaps every 15 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.
| Parameter | π ~PI~ | Word Gaps |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 23 MB | 96 MB |
| Age rating | 4+ | 12+ |
| Developer | Yuki Takeda | Hieu Hoang |
In-app purchases
π ~PI~
No in-app purchases
Word Gaps
No in-app purchases
