Comparison

TriangleS vs Geometry Calc+Shapes

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

Head to head
About

TriangleS

Features
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製缶工の私が現場作業で必要な電卓の機能に的を絞って作成した電卓アプリです。 Triangle2アプリのシンプルバージョンとなっております。 三角関数が解らなくてもかんたんに計算できる電卓です。 直角三角形、不等辺三角形の計算ができます。 メモリー、アンサーメモリー、π、繰り返し、三角関数、括弧計算が、出来ます。 取扱説明ーーーーーーーーーーーーーーーーー 電卓部 「ANS」ボタン長押しで過去の計算結果を表示できます。 計算結果のラベル(=を押した直後)をタップするとANSリストの数値にマーク出来ます ラベルに表示している数値が、白いボタンをタップすると、入力できます。 画面を左右にスワイプする事で、直角三角形が回転します。 画面を上下スワイプで直角三角形が反転します。 直角三角形は2ヶ所、不等辺三角形は3ヶ所入力してください。 「Cal」をタップで、計算結果が表示されます。 「Cl」ボタンで、表示の数値がクリアされます。 ラベルに”0”の表示で、指定の場所のみ消すことも出来ます。 計算結果の数値は、ボタンをタッチして下へスライドすると、ラベルに表示でき、次の計算へ利用できます。 三角関数計算は [4],[6]のボタンをスライドすることで「戻る」、「進む」が出来ます CLRボタン1回押しで数字の消去 2回押しで回転のリセット 長押しで数値の消去、回転リセット、メモリー消去 となります パイプの外形を自動入力 例 50A -> 「5」「0」「1スライド」と入力   1¼B -> 「1」「4」「1」「2スライド」と入力 それぞれ、2回続けてスライドすると半分の数値になります 免責事項 このアプリで行う計算結果の正確性については万全を期しておりますが、その正確性を保障するものではありません。 このアプリの利用にあたり生じた損害、損失、不利益などに対し一切の責任を負いませんのでご了承ください。

About

Geometry Calc+Shapes

Features
Read full description

Quickly calculate areas, volumes, and angles of geometric shapes with a simple yet precise geometry calculator. Supports a wide range of shapes including triangles, circles, trapezoids, and 3D solids such as spheres, cylinders, and cones. Ideal for students, designers, and engineers in any field. ---------- 【Main Features】 ・Supports various shapes: triangles, circles, regular polygons, and 3D solids ・Automatically solves consistent values when multiple conditions are entered (supports multi-constraint calculation) ・Adjustable decimal precision and angle units (degrees / DMS) ・Save and share input values easily ・Export calculated results as images ---------- 【Full Access Plan】 The free version includes basic shapes (right triangle and circle). Purchasing the Full Access Plan unlocks all shapes, removes ads, and allows you to save without watching ads. You can also customize decimal precision freely. ---------- With advanced “multi-constraint” solving and automatic updates for interdependent sides and angles, the internal high-precision math engine ensures reliable results. Perfect for those who need accurate, efficient geometry calculations for study, design, or engineering work. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TriangleS2 screens
Geometry Calc+Shapes4 screens

Verdict

The call

The clearest difference is price: Geometry Calc+Shapes at Free against TriangleS's $0.99. TriangleS's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 18.4). On update cadence, 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

Geometry Calc+Shapes is free to download; TriangleS costs $0.99 up front. Geometry Calc+Shapes sells 1 in-app purchase, starting at $7.99 per month. TriangleS asks for nothing beyond the download.

UpkeepUpdate frequency

TriangleS ships an update every 4 months, Geometry Calc+Shapes every 7 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 3 level
TriangleS versus Geometry Calc+Shapes: the parameters behind the verdict, then further details
ParameterTriangleSGeometry Calc+Shapes
Price$0.99Free — better
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.4
Further details — not scored
Size2 MB5 MB
Age rating4++4
Developerryo sasakiJun Yamabe

In-app purchases

None

TriangleS

No in-app purchases

1 purchases

Geometry Calc+Shapes

Subscriptions1
  • Monthly Subscription$7.991 Month

Questions

Is TriangleS free?
TriangleS costs $0.99, with no in-app purchases.
Is Geometry Calc+Shapes free?
Geometry Calc+Shapes is free to download, with in-app purchases available.
Do TriangleS or Geometry Calc+Shapes have ads?
Neither TriangleS nor Geometry Calc+Shapes shows ads.
Which is updated more often, TriangleS or Geometry Calc+Shapes?
TriangleS ships an update every 4 months, and Geometry Calc+Shapes every 7 months. Most recently, TriangleS was updated on October 10, 2026 and Geometry Calc+Shapes on October 12, 2026.

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