Comparison

π ~ Pi Fun App. vs Pi Recall 100

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

π ~ Pi Fun App.

Features
Read full description

This app is the ultimate app for unique people who love maths. The start-up screen plays pi to a million digits in an emo atmosphere, perfect for relaxing. Furthermore, there is a game where you can quickly enter pi for every 10, 100, 1000 - 1,000,000 digits and compete against players from all over the world for the best time! Enjoy a new entertainment experience that combines mathematics and relaxation!

About

Pi Recall 100

Features
Read full description

Pi Recall 100 makes memorizing 100 decimal digits of pi a focused, fast-paced challenge. Start with the 10-digit course. Clear each course to move on to the next group of digits, then use the on-screen number pad to race toward all 100 digits. FEATURES • Courses from 10 to 100 digits in 10-digit steps • A focused 3–2–1 countdown • Times measured to one hundredth of a second • Mistake counting • Top three records stored on your device for each course • A readable 100-digit reference grouped by 10 digits • Sound and haptic controls • Japanese and English, Dark Mode, and VoiceOver support The 10- and 20-digit courses are free. A one-time Premium purchase provides access to the 30–100 digit courses. You must also clear each preceding course before moving on. Records are stored locally on your device. No account, ads, online leaderboard, or cloud sync is required.

Screenshots

π ~ Pi Fun App.3 screens
Pi Recall 1004 screens

Verdict

The call

The clearest difference is in-app purchases: π ~ Pi Fun App. at none against Pi Recall 100's 1. Pi Recall 100's advantage is ads (none vs shown). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pi Recall 100 sells 1 one-off in-app purchase. π ~ Pi Fun App. asks for nothing beyond the download.

Scorecard2 real differences · 4 level
π ~ Pi Fun App. versus Pi Recall 100: the parameters behind the verdict, then further details
Parameterπ ~ Pi Fun App.Pi Recall 100
PriceFreeFree
Update frequencyEvery 2 days—
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size17 MB52 MB
Age rating4+4+
DeveloperRyo TsudukihashiMITSURU ADACHI

In-app purchases

None

π ~ Pi Fun App.

No in-app purchases

1 purchases

Pi Recall 100

One-time1
  • 100-Digit Challenge Premium$2.99

Questions

Is π ~ Pi Fun App. free?
π ~ Pi Fun App. is free to download, with no in-app purchases.
Is Pi Recall 100 free?
Pi Recall 100 is free to download, with in-app purchases available.
Do π ~ Pi Fun App. or Pi Recall 100 have ads?
π ~ Pi Fun App. shows ads; Pi Recall 100 does not.

Other comparisons