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Comparison

π ~ Pi Fun App. vs Element OTG

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

Head to head
π ~ Pi Fun App.
π ~ Pi Fun App.

Challenge world ranking in RTA

Free
📚 Education
No ratingsView app →
Element OTG
Element OTG

Chemistry Learning Made Easy

Free
📚 Education
No ratingsView app →
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

Element OTG

Features
Read full description

• Complete Periodic Table - All 118 elements with detailed information • Interactive Learning Center - Chemistry quizzes and symbol practice • Smart Search & Filter - Find elements by name, symbol, or properties • Dark Mode Support - Choose light, dark, or follow system theme • Responsive Design - Perfect for phones, tablets, and desktops

Screenshots

π ~ Pi Fun App.3 screens
Element OTG4 screens

Verdict

The call

The clearest difference is update cadence: π ~ Pi Fun App. at every 2 days against Element OTG's monthly. Element OTG's advantage is iOS requirement (13.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

π ~ Pi Fun App. ships an update every 2 days, Element OTG monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level
π ~ Pi Fun App. versus Element OTG: the parameters behind the verdict, then further details
Parameterπ ~ Pi Fun App.Element OTG
PriceFreeFree
Update frequencyEvery 2 days — betterMonthly
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size17 MB25 MB
Age rating4+4+
DeveloperRyo TsudukihashiJapality Limited

In-app purchases

None

π ~ Pi Fun App.

No in-app purchases

None

Element OTG

No in-app purchases

Questions

Is π ~ Pi Fun App. free?
π ~ Pi Fun App. is free to download, with no in-app purchases.
Is Element OTG free?
Element OTG is free to download, with no in-app purchases.
Do π ~ Pi Fun App. or Element OTG have ads?
Both π ~ Pi Fun App. and Element OTG show ads.
Which is updated more often, π ~ Pi Fun App. or Element OTG?
π ~ Pi Fun App. ships an update every 2 days, and Element OTG monthly. Most recently, π ~ Pi Fun App. was updated on October 14, 2026 and Element OTG on October 3, 2026.

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