Best Arbitrary Triangle Pro Apps

196+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated May 2026

Out of 196+ arbitrary triangle pro apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Arbitrary Triangle Pro

Triangle Calculator#3

Triangle Calculator by Kent Johansson

Right angle triangle solver
Worth Considering
📊 Productivity
5.0(2 ratings)
Free
Triangle Calculator screenshot 1
Triangle Calculator screenshot 2
Triangle Calculator screenshot 3
Triangle Calculator screenshot 4
Triangle Calculator screenshot 5
Triangle Calculator screenshot 6

Calculate side lengths, angles, area, and perimeter of right-angle triangles. Visualizes the triangle with adjustable precision and offers options to rotate, flip, and customize themes. Reuses previous entries for efficiency.

More Arbitrary Triangle Pro apps to explore

4
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
by 境 饶
Free

This app calculates missing values for both right and irregular triangles. Simply input two known values for a right triangle or three for an irregular one, and it will compute the remaining sides and angles.

Right triangle solverIrregular triangle solverCalculates missing sides
📊 Productivity
(40)
free
5
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
6
Trigonometry Help Lite
Trigonometry Help Lite
Trigonometry Help Lite
Triangle Calculator + Workings
Free

This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.

Solve right-angled trianglesView detailed math workingsScale drawing of solved triangle
📚 Education
(688)
free with in-app purchases
7
Ezy Triangle
Ezy Triangle
Ezy Triangle
by KGiants
Free

This tool helps solve triangle problems by calculating unknown sides and angles using given information. It also provides a reference for various triangle formulas and allows interactive manipulation of the triangle.

Solve triangles with 3 given quantitiesHandles ambiguous casesInteractive triangle manipulation
📚 Education
(8)
free
8
SketchUp - 3D Modeling
SketchUp - 3D Modeling
SketchUp - 3D Modeling
Interior Design & Architecture
Free

This platform offers intuitive 3D modeling tools for design enthusiasts and professionals. Visualize concepts, create photorealistic visuals, and even use AI to generate design ideas. Scan real-world spaces and view your creations in augmented reality.

3D modeling toolsGenerative AI designsRoom planner & space design
🎨 Graphics & Design
(17K)
free with in-app purchases
9
The Tape Measure & 3D Scanner
The Tape Measure & 3D Scanner
The Tape Measure & 3D Scanner
Measurement Tool, Room Planner
Free

Transform your smartphone into a virtual measuring tape and ruler using augmented reality. Accurately measure length, height, and area of objects horizontally and vertically. Create detailed floor plans, scan rooms for 3D models, and easily share your measurements.

AR measurements (length, height, area)Horizontal and vertical measuringImperial and Metric unit switching
🔧 Utilities
(3.9K)
free with in-app purchases
10
Sketch Pro: Draw & Create Art
Sketch Pro: Draw & Create Art
Sketch Pro: Draw & Create Art
Digital Paint Drawing Pad Apps
Free

This professional art app offers advanced AI tools for digital painting, illustration, and animation. Create stunning artwork with custom brushes, text-to-image generation, and intelligent editing features. It's designed to streamline your creative workflow on iPads and iPhones.

Customizable brushesText to Image AISketch to Image AI
🎨 Graphics & Design
(11K)
free with in-app purchases
11
Trig Solver
Trig Solver
Trig Solver
by Creature Code Mobile, LLC
Free

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

Regular triangle solverRight triangle solverCalculate with 2 sides and an angle
🔧 Utilities
(78)
free
12
3D modeling: Design my model
3D modeling: Design my model
3D modeling: Design my model
Sculpt & sketch digital art
Free

Create 3D models and digital art on your mobile device. Sculpt, sketch, and color your designs with intuitive gesture controls and a comprehensive set of modeling tools. Export your creations in standard formats.

Gesture-based 3D manipulationVertex, edge, and face editing toolsSculpting and coloring capabilities
🎨 Graphics & Design
(13K)
free with in-app purchases
13
Triangle & Angle calculator
Triangle & Angle calculator
Triangle & Angle calculator
Geometry, angle, formulas
Free

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

Solve geometry exercisesCheck calculationsSimple click interface
📚 Education
(209)
free with in-app purchases
14
Compass°
Compass°
Compass°
Simple Large Display Compass
Free

This application provides a large, easy-to-read compass display to show your direction and heading. It utilizes your device's internal hardware for accurate estimations.

Large displayEasy to readShows direction
🔧 Utilities
(57K)
ad-supported
15
Trigonometry Help
Trigonometry Help
Trigonometry Help
Triangle Solver + Trig Calc
$1.99

This app helps you quickly solve for unknown angles and sides of right-angled triangles. It provides a workings view for understanding the math, a scale drawing of the triangle, and a reference for basic trigonometric formulas. You can input angles in various formats and choose your desired decimal precision.

Solve right-angled trianglesWorkings view for solutionsScale drawing of solved triangle
🔧 Utilities
(466)
free with in-app purchases
16
Linearity Curve: Graphic Art
Linearity Curve: Graphic Art
Linearity Curve: Graphic Art
Vectornator: Vectorize Drawing
Free

Create professional vector art and graphic designs on your mobile devices. This app offers powerful tools for drawing, illustration, and photo vectorization, allowing you to design logos, marketing materials, and digital art with precision and ease.

Bezier Pen and Node toolsAuto Trace for vectorizing imagesLayer system with blend modes
🎨 Graphics & Design
(14K)
free with in-app purchases
17
Geometry Solver Pro
Geometry Solver Pro
Geometry Solver Pro
Trigonometry, Triangle, Area
Free

This app assists with geometry calculations for over 50 2D and 3D shapes. Input known values and it automatically computes missing measurements like angles, area, volume, and more. It's a comprehensive tool for trigonometry, triangles, and engineering problems.

Calculates for over 50 2D and 3D shapesAutomatic calculation of missing valuesSupports trigonometry and triangle calculations
📚 Education
(9)
free
18
Figma
Figma
Figma
View Designs. Comment. Mirror.
Free

Access and review design files, prototypes, and presentations on your mobile device. Collaborate with teammates by adding and replying to comments, sharing files, and managing permissions. Mirror designs in real-time and explore prototypes with interactive features.

Access design, FigJam, prototype, and slides filesCreate and reply to commentsShare files with collaborators
🎨 Graphics & Design
(20K)
freemium
19
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

Access and edit CAD drawings on the go with this official application. It provides essential drafting and design tools for creating, updating, and sharing 2D drawings from any device. Collaborate with teams and simplify workflows by accessing files from various cloud storage services.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
20
Triangle Solver for iOS 7
Triangle Solver for iOS 7
Triangle Solver for iOS 7
by Amit Jain
Free

This app helps solve various types of triangles, including SSS, SSA, SAS, AAS, ASA, and AAA. It offers a straightforward and functional tool for geometric calculations.

Solves SSS trianglesSolves SSA trianglesSolves SAS triangles
📚 Education
(5)
free