Comparison

Geometry Calculator lite vs 素数チャレンジ!

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

Head to head
About

Geometry Calculator lite

Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.

Highlights
  • Calculates parameters for 26 geometric shapes
  • Supports 783 different calculations
  • Interactive 3D view for solids
  • Covers 2D planes and 3D solids
  • Available in multiple languages
  • Works on iPhone and iPad
Features
Read full description

Geometry Calculator – Now with 3D View Geometry Calculator is designed to calculate all key parameters of 26 geometric shapes, including both planes and solids. With 783 calculations, this app is perfect for students, engineers, and professionals who need quick, reliable results. What’s New • 3D View for Solids – explore shapes like Cube, Sphere, Cylinder, and more in interactive 3D. Supported Shapes 2D Shapes: • Circle, Annulus, Ellipse, Torus • Square, Rectangle, Triangle (Equilateral, Isosceles, Right, Theorems) • Parallelogram, Rhombus, Trapezoid, Polygon 3D Solids: • Cube, Cuboid, Capsule, Cone, Cylinder • Conical Frustum, Square Pyramid, Sphere, Hemisphere, Tube Available Calculations • Area & Surface Area • Perimeter & Semiperimeter • Volume • Angles • Radius, Diameter, Circumference • Side Length, Diagonal, Height, Width, Altitude, Slant Height • Inradius & Circumradius • Median & Thickness Compatibility • Works seamlessly on iPhone and iPad • Available in: English, Français, Español, Italiano, Deutsch, Português, Nederlands, 中文 (Chinese), Türkçe (Turkish), العربية (Arabic), Polski (Polish), 日本語 (Japanese)

About

素数チャレンジ!

Features
Read full description

素数を見抜くシンプルで奥深い脳トレゲーム! 表示された数字が「素数」か「素数ではないか」を判断するだけの簡単ルール。 遊びながら自然と数学力とひらめきが鍛えられます。 ■ 遊び方 ・表示された数が素数かどうかをボタンで回答 ・正解・不正解がすぐに分かる ・素数でない場合は素因数分解も表示 ■ 特徴 ・直感的に遊べるシンプル設計 ・連続正解数と最高記録を記録 ・スキマ時間でサクッと脳トレ ■ 難易度 ・通常モード(2〜999) ・大きい数モード(1001〜99,999)※プレミアム機能 ■ プレミアム機能 ・広告の非表示 ・大きい数モードの解放 通勤・通学やちょっとした空き時間に、 あなたの「素数力」を試してみませんか?

Screenshots

Geometry Calculator lite4 screens
素数チャレンジ!3 screens

Verdict

The call

The clearest difference is update cadence: 素数チャレンジ! at every 6 days against Geometry Calculator lite's every 5 weeks. Geometry Calculator lite's advantage is iOS requirement (17.6 vs 26.2). 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. Geometry Calculator lite sells 1 one-off in-app purchase and 素数チャレンジ! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Geometry Calculator lite ships an update every 5 weeks, 素数チャレンジ! every 6 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Geometry Calculator lite versus 素数チャレンジ!: the parameters behind the verdict, then further details
ParameterGeometry Calculator lite素数チャレンジ!
PriceFreeFree
Rating4.5 (79 ratings) — better—
Positive reviews41.7% of reviews—
Number of ratings79 — better—
Update frequencyEvery 5 weeksEvery 6 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better26.2
Further details — not scored
Size56 MB6 MB
Age rating4+4+
DeveloperV PUGAZHENTHIKenji Yanase

In-app purchases

1 purchases

Geometry Calculator lite

One-time1
  • 25 Geometry Calculators$2.99
1 purchases

素数チャレンジ!

One-time1
  • プレミアム機能$0.99

Questions

Is Geometry Calculator lite free?
Geometry Calculator lite is free to download, with in-app purchases available.
Is 素数チャレンジ! free?
素数チャレンジ! is free to download, with in-app purchases available.
Do Geometry Calculator lite or 素数チャレンジ! have ads?
Both Geometry Calculator lite and 素数チャレンジ! show ads.
Which is updated more often, Geometry Calculator lite or 素数チャレンジ!?
Geometry Calculator lite ships an update every 5 weeks, and 素数チャレンジ! every 6 days. Most recently, Geometry Calculator lite was updated on November 4, 2026 and 素数チャレンジ! on November 5, 2026.

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