Best Triangles In Geometry Apps

239+ iOS apps curated and reviewed

4.2 avg rating
16 free apps
Updated August 2026

The best triangles in geometry apps on iPhone average 4.2★ across 239+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Triangles In Geometry Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Triangles in GeometryTriangles in Geometry$1.995.0★ (1)NoNoSep 2026
2GeoGebra GeometryGeoGebra GeometryFree4.0★ (74)NoNoAug 2026
3Triangle Solver Free - Geometry CalculatorTriangle Solver Free - Geometry CalculatorFree3.6★ (40)NoYesMay 2026
4Geometry StashGeometry StashFree4.7★ (11)NoNoSep 2026
5Geometry Solver ²Geometry Solver ²Free4.3★ (1.3K)YesYesAug 2026
6Triangle SolverTriangle SolverFree5.0★ (2)YesNoSep 2026
7Geometry: Formulas & QuizGeometry: Formulas & QuizFree4.0★ (2)NoYesAug 2026
8Kahoot! Geometry by DragonBoxKahoot! Geometry by DragonBoxFree4.7★ (756)NoYesSep 2026

Top Picks for Triangles In Geometry

Triangles in Geometry#1

Triangles in Geometry by Gomathy Shankaran

Kidz Learn Triangles
Editor's Choice
📚 Education
5.0(1 ratings)
$1.99
Triangles in Geometry screenshot 1
Triangles in Geometry screenshot 2
Triangles in Geometry screenshot 3
Triangles in Geometry screenshot 4

Learn the fundamentals of triangles, including types, centers, and area calculations. This app explains theorems and postulates with visual aids and includes review quizzes to test understanding.

GeoGebra Geometry#2

GeoGebra Geometry by GeoGebra GmbH

Construct, Drag, Share
Strong Contender
📚 Education
4.0😐(74 ratings)
Free
GeoGebra Geometry screenshot 1
GeoGebra Geometry screenshot 2
GeoGebra Geometry screenshot 3
GeoGebra Geometry screenshot 4
GeoGebra Geometry screenshot 5
GeoGebra Geometry screenshot 6

Create geometric constructions like triangles, lines, and circles. Explore interactive geometry by dragging elements, measuring lengths and areas, and transforming shapes. Save and share your creations, and discover learning activities.

What We Love

  • 👍 Intuitive and easy-to-use interface
  • 🎨 Powerful geometric construction tools
  • 💰 Free and ad-free application
  • 📐 Accurate mathematical calculations

Room to Improve

  • 💾 No reliable save/load functionality
  • 🐛 Frequent app crashes losing work
  • ❌ Limited file management capabilities

More Triangles In Geometry apps to explore

4
Geometry Stash
Geometry Stash
Geometry Stash
by Anson Liu
Free

Access geometry theorems, postulates, and corollaries with descriptions and diagrams. Create and share custom slides with a built-in editor, exporting them in various formats. Ideal for students and educators needing a portable reference.

Geometry theorem referenceDiagrams for geometric termsCustom slide creation editor
📚 Education
(11)
free
5
Geometry Solver ²
Geometry Solver ²
Geometry Solver ²
AI Math Homework Helper
Free

This app helps with geometry problems using an AI assistant to scan and solve word problems. It offers step-by-step solutions for over 100 geometric shapes, allowing users to calculate area, volume, perimeter, and surface area. Visualize shapes and share solutions easily.

AI geometry word problem solver100+ geometric shapes and propertiesStep-by-step solution explanations
📚 Education
(1.3K)
free with in-app purchases
6
Triangle Solver
Triangle Solver
Triangle Solver
Step-by-Step Math Solutions
Free

This app provides step-by-step solutions for triangle calculations and angle conversions. It includes practice exercises, a trigonometry formula sheet, and an integrated math keyboard for easy input. Ideal for students and professionals needing to master triangle properties.

Step-by-step triangle calculationsAngle conversionPractice trigonometry exercises
📚 Education
(2)
ad-supported
7
Geometry: Formulas & Quiz
Geometry: Formulas & Quiz
Geometry: Formulas & Quiz
Theory, Exercises, Quiz, Maps
Free

Instantly solve geometry problems with an AI scanner and get step-by-step explanations. Master complex concepts, prepare for tests, and improve your grades with this powerful study tool.

AI geometry problem scannerStep-by-step explanationsSimplified theory explanations
📚 Education
(2)
free with in-app purchases
8
Kahoot! Geometry by DragonBox
Kahoot! Geometry by DragonBox
Kahoot! Geometry by DragonBox
Learn Geometry
Free

This app offers a game-based approach to learning geometry, designed for families. It features over 100 puzzles that help children and adults understand geometric principles and proofs through exploration and discovery. The goal is to make learning geometry fun and intuitive.

Game-based geometry learning100+ logic puzzlesFamily collaborative play
📚 Education
(756)
subscription
9
Arloon Geometry
Arloon Geometry
Arloon Geometry
by WANT2B S.L.
$2.99

Explore geometric shapes with interactive 3D models and augmented reality. Unfold figures into flat shapes, learn definitions, and practice calculations. Designed for students aged 11 and up, it enhances spatial visualization and critical thinking.

Augmented reality 3D geometric modelsUnfold shapes into flat figuresCurricular content and exercises
📚 Education
(2)
paid
10
Triangles - Math games
Triangles - Math games
Triangles - Math games
Introduction to geometry
$1.99
📚 Education
(0)
11
CleverBooks Geometry
CleverBooks Geometry
CleverBooks Geometry
CleverBooks Geometry with AR
Free
📚 Education
(0)
12
Geometry AI - Geometry Solver
Geometry AI - Geometry Solver
Geometry AI - Geometry Solver
Photo math AI homework helper
Free

This app provides instant, step-by-step solutions to geometry and trigonometry problems by simply taking a photo. It also offers an AI tutor for concept explanations and practice tools for mastering geometry.

Photo-based geometry problem solverStep-by-step solution explanationsAI tutor for concept clarification
🔧 Utilities
(1)
freemium
13
Geometry!!
Geometry!!
Geometry!!
Geometry made simple
Free

Learn geometry with interactive 2D and 3D visualizations. This app offers automatic calculations for area, perimeter, and volume, along with trigonometric values. It's designed for students, teachers, and math enthusiasts to make learning math engaging and accessible.

Interactive 3D visualizations2D and 3D shape detailsAutomatic area, perimeter, volume calculations
📚 Education
(56)
free with in-app purchases
14
Mathemagics Geometry in a Dash
Mathemagics Geometry in a Dash
Mathemagics Geometry in a Dash
Learn. Practice. Brain Train.
$2.99

Master geometry concepts through focused lessons and practice games. This app helps build an intuitive understanding of core principles, preparing users for standardized tests and improving problem-solving skills.

Intuitive understanding of geometry principlesPractice lesson techniquesGeometry games for skill sharpening
📚 Education
(19)
paid
15
Triangle Solver
Triangle Solver
Triangle Solver
by William Jockusch
Free

Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.

Calculate unknown sidesCalculate unknown anglesTwo angles and one side input
📚 Education
(30)
free
16
Geometry Solver: Calculator
Geometry Solver: Calculator
Geometry Solver: Calculator
Offline. Angle Finder & More
Free

This offline geometry toolkit provides fast, accurate solutions for homework, studying, and quick checks. It offers tools for angles, triangles, circles, and various shapes, along with coordinate and analytic geometry calculations. Designed for high school students and everyday problem-solving.

Offline geometry toolkitAngle finder for triangles and linesTriangle solver (including right triangles)
📚 Education
(15)
free with in-app purchases
17
Triangle Calculator
Triangle Calculator
Triangle Calculator
Right angle triangle solver
Free

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.

Calculates lengths, angles, area, perimeterDraws proportionally correct trianglesAdjustable decimal precision
📊 Productivity
(2)
free
18
Geometry Tutor
Geometry Tutor
Geometry Tutor
Help with high school Geometry
Free

Master geometry with an interactive, visual learning tool. Explore concepts on a dynamic canvas, visualize theorems in real-time, and solidify understanding with knowledge checks and practice problems. Offers a comprehensive curriculum for high school and advanced middle school students.

Interactive learning canvasReal-time theorem visualizationComprehensive 6-unit curriculum
📚 Education
(4)
free with in-app purchases
19
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
20
Triangle Help
Triangle Help
Triangle Help
by Robert Winkelman
Free

This utility app calculates missing sides and angles of a triangle given at least three known measures. It displays the formulas used for learning and supports angle input in degrees or radians, with adjustable decimal precision.

Solves for missing triangle sides and anglesDisplays formulas used for learningAccepts angles in degrees or radians
🔧 Utilities
(1)
free

FAQ about Triangles In Geometry

What are the best triangles in geometry apps for iPhone?
Triangles in Geometry tops our triangles in geometry apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's priced at $1.99.
Yes — 16 of the top triangles in geometry apps we rank are free to download, including GeoGebra Geometry and Triangle Solver Free - Geometry Calculator.
Triangles in Geometry has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 239+ triangles in geometry apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Triangles in Geometry covers triangle basics like acute, obtuse, and right angles. It also explains triangle centers such as the centroid, incenter, and orthocenter, along with area calculations and theorems.
Yes, Triangles in Geometry has an age rating of 4+ and is designed to help children learn about triangles in an educational context.