Best Height Calculator Triangle Apps

248+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good height calculator triangle apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Height Calculator Triangle Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Triangle CalculatorTriangle CalculatorFree5.0★ (2)NoNoMay 2026
2Slope Calculator - CalcSlope Calculator - CalcFree4.3★ (104)NoYesAug 2026
3Calculator +Calculator +Free4.6★ (10K)YesYesAug 2026
4Trigonometry Calculator.Trigonometry Calculator.Free5.0★ (3)YesYesJul 2026
5Trig SolverTrig SolverFree4.3★ (78)NoNoAug 2026
6Triangle & Angle calculatorTriangle & Angle calculatorFree4.0★ (209)NoYesAug 2026
7Right Triangle - CalculatorRight Triangle - CalculatorFree3.8★ (6)NoYesAug 2026
8Triangle Calculator PythagorasTriangle Calculator PythagorasFree4.0★ (1)YesYesMay 2026

Top Picks for Height Calculator Triangle

Triangle Calculator#1

Triangle Calculator by Kent Johansson

Right angle triangle solver
Editor's Choice
📊 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.

Slope Calculator - Calc#2

Slope Calculator - Calc by Phan Nhat Đang

Ratio, Angle, Length, Percent
Strong Contender
🔧 Utilities
4.3(104 ratings)
FreeIn-App Purchases
Slope Calculator - Calc screenshot 1
Slope Calculator - Calc screenshot 2
Slope Calculator - Calc screenshot 3

Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.

Calculator +#3

Calculator + by xNeat.com

Graphing, Percentage, Triangle
Worth Considering
🔧 Utilities
4.6😊(10K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update

More Height Calculator Triangle apps to explore

4
Trigonometry Calculator.
Trigonometry Calculator.
Trigonometry Calculator.
Simple Triangle Calculator
Free

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

Right-angled & scalene triangle supportFormula reference guideAccurate side, angle, and area calculations
🔧 Utilities
(3)
free with in-app purchases
5
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
6
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
7
Right Triangle - Calculator
Right Triangle - Calculator
Right Triangle - Calculator
All measures, step-by-step
Free

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

Step-by-step solutionsCalculates legs, hypotenuse, height, angles, perimeter, areaSupports all length units
📚 Education
(6)
free with in-app purchases
8
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Right Triangle Pythagoras
Free

This geometry tool simplifies right-angled triangle calculations. It instantly solves for missing sides, angles, area, and perimeter using the Pythagorean theorem and trigonometry. It also displays the formulas used for each calculation, aiding understanding.

Pythagorean Theorem SolverTrigonometry FunctionsInstant Area and Perimeter Calculation
📚 Education
(1)
free with in-app purchases
9
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Geometric shape calculator
Free

Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.

Calculate lengths, angles, and areaSupports 2D shapes (triangle, circle, ellipse)Supports 3D shapes (pyramid, prism, cone, cylinder, sphere)
📊 Productivity
(140)
ad-supported
10
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
11
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
12
Math: Triangle Area Calculator
Math: Triangle Area Calculator
Math: Triangle Area Calculator
4th, 5th Grade Mathematics
Free

Quickly calculate the area of a triangle by inputting its base and height. This tool eliminates the need for manual calculations, making geometry problems faster to solve.

Calculate triangle areaInput base and heightFast calculations
📚 Education
(1)
ad-supported
13
Triangle Angles Calculator
Triangle Angles Calculator
Triangle Angles Calculator
With convenient visual input
Free

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

Calculate unknown triangle parameters from 2-3 known valuesInteractive visualization of triangle typesReal-time calculations with intuitive interface
📊 Productivity
(0)
free
14
TriSolver - Triangle Solver
TriSolver - Triangle Solver
TriSolver - Triangle Solver
by Steve Richardson
Free

This free utility app helps users solve triangle-related problems for both right-angled and regular triangles. It also offers solutions for 20 other geometric shapes, making it a versatile tool for calculations.

Solve right-angled trianglesSolve regular trianglesCalculate 20 other shapes
🔧 Utilities
(1)
free
15
Triangle Calculator Pro
Triangle Calculator Pro
Triangle Calculator Pro
Solve triangles step-by-step
Free
📚 Education
(0)
16
Height Measure - HeightSnap
Height Measure - HeightSnap
Height Measure - HeightSnap
Photo height measurement
Free

This app estimates a person's height from uploaded photos using smart detection. It provides a height range and confidence score for each estimate, and allows users to save scans and compare averages.

Estimate height from photosSmart height detection systemConfidence scores and ranges
🔧 Utilities
(7)
free with in-app purchases
17
Geometry Calculator.
Geometry Calculator.
Geometry Calculator.
Circle,Triangle,Cylinder,cube
$2.99

This app serves as a comprehensive geometry guide, offering calculations for 26 different 2D shapes and 3D solids. It covers essential parameters like area, volume, radius, and angles, making it a complete reference for geometric computations.

Calculations for 26 geometric shapes, planes, and solids783 distinct geometric calculationsCovers 2D shapes and 3D solids
📚 Education
(33)
paid
18
TriangleData
TriangleData
TriangleData
Find any triangle dat
Free

This utility app helps you calculate triangle angles and data. It can determine if a corner is 90 degrees by taking measurements and inputting them into the app. You can also use it to calculate right triangle data.

Calculate triangle anglesCheck for 90-degree cornersInput measurements for calculation
🔧 Utilities
(0)
free
19
Calculator
Calculator
Calculator
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
20
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
(768)
free with in-app purchases

FAQ about Height Calculator Triangle

What are the best height calculator triangle apps for iPhone?
Triangle Calculator tops our height calculator triangle apps ranking as of August 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top height calculator triangle apps we rank are free to download, including Triangle Calculator and Slope Calculator - Calc.
Triangle Calculator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ height calculator triangle apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Triangle Calculator can compute the lengths of sides, angles, area, and perimeter of a right-angle triangle. It provides results with up to approximately 15 significant digits, calculated using 64-bit double precision.
Triangle Calculator is available on iPhone, iPad, and iPod touch devices. It is designed for the iOS ecosystem.