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Comparison

100 Squares Calc vs π ~ Pi Fun App.

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

Head to head
100 Squares Calc
100 Squares Calc

Basic studying tool for calc

Free
📚 Education
★ 4.98 ratingsView app →
π ~ Pi Fun App.
π ~ Pi Fun App.

Challenge world ranking in RTA

Free
📚 Education
No ratingsView app →
About

100 Squares Calc

Practice basic math operations with timed challenges and progress tracking. Offers various modes, keyboard types, and mini-games to enhance learning and identify weak points. Supports Bluetooth keyboards and printing custom questions.

Highlights
  • Multiple math operation modes
  • Customizable keyboard types
  • Bluetooth keyboard support
  • Progress tracking and analytics
  • Study and edit modes
  • Mini-games for practice
  • Prefecture-based ranking
Features
Read full description

Thanks for 1,100,000 DLs! Enjoy the 100 squares calculation! From top to bottom, you make answers in squares. As soon as you make answer, it is scored. When you fill all squares by answers, your answer time is recorded. Let's enjoy it! ■4 modes: - Addition - Subtraction - Multiplication - 4 operations(Addition, Subtraction, Multiplication, Division) ■4 keyboard type: - Normal - Calculator - Calculator(Right-Side) - Calculator(Left-Side) - iPhone ■Bluetooth Keyboard: - You can use Bluetooth keyboard (in game scene) ■Prefecture mode: - Let's join the ranking with your prefecture. ■Graph mode: - You can confirm the history of your records. ■Analytics mode: - You can confirm statistics of each question. You can find your weak point. 各問題の統計情報を見て、自分の弱点を見つけます ■Study mode: - You can study at your pace. ■Edit mode: - You can make question and print it. (You need a printer that corresponds to "AirPrint".) ■Limited answer mode (more than 0 only) - In only subtraction, you can select limited answer mode. (large number - small number > 0) ■Mini Games (updated in 2024.Jan) - Touch Practice - Answer Number - How many? - Analog Clock - Kraepelin - Rock,Paper,Scissors - Fill Spaces - Touch in Order - Stepping Stones - L & R - Gage MAX - Pyramid - Side Stepping - Count Blocks - Quick Touch - Color Name - Extra One - Vertex - 10 or Over - Picking Chestnuts ■Bonus - Make 10 - Multiplication Table

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!

Screenshots

100 Squares Calc4 screens
π ~ Pi Fun App.3 screens

Verdict

The call

The clearest difference is in-app purchases: π ~ Pi Fun App. at none against 100 Squares Calc's 2. π ~ Pi Fun App. also leads on update cadence (every 2 days vs monthly). 100 Squares Calc's advantage is iOS requirement (15.6 vs 17.0). On price, ads 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. 100 Squares Calc sells 2 one-off in-app purchases. π ~ Pi Fun App. asks for nothing beyond the download.

UpkeepUpdate frequency

100 Squares Calc ships an update monthly, π ~ Pi Fun App. every 2 days. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
100 Squares Calc versus π ~ Pi Fun App.: the parameters behind the verdict, then further details
Parameter100 Squares Calcπ ~ Pi Fun App.
PriceFreeFree
Rating4.9 (8 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings8 — better—
Update frequencyMonthlyEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size28 MB17 MB
Age rating4+4+
Developerbe-styleRyo Tsudukihashi

In-app purchases

2 purchases

100 Squares Calc

One-time2
  • Color Customization$1.99
  • Hide Ads$3.99
None

π ~ Pi Fun App.

No in-app purchases

Questions

Is 100 Squares Calc free?
100 Squares Calc is free to download, with in-app purchases available.
Is π ~ Pi Fun App. free?
π ~ Pi Fun App. is free to download, with no in-app purchases.
Do 100 Squares Calc or π ~ Pi Fun App. have ads?
Both 100 Squares Calc and π ~ Pi Fun App. show ads.
Which is updated more often, 100 Squares Calc or π ~ Pi Fun App.?
100 Squares Calc ships an update monthly, and π ~ Pi Fun App. every 2 days. Most recently, 100 Squares Calc was updated on November 1, 2026 and π ~ Pi Fun App. on October 27, 2026.

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