Best Trigonometry Calculator Identities Apps

221+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated May 2026

Every iPhone needs a few good trigonometry calculator identities apps. We benchmark 221+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Trigonometry Calculator Identities

Calculator ##1

Calculator # by Incpt.Mobis

Scientific Calculator
Editor's Choice
🔧 Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

What We Love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students

Room to Improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features
Calculator‰#2

Calculator‰ by Tim O's Studios, LLC

Default Calculator
Strong Contender
🔧 Utilities
4.9😊(404K ratings)
FreeAds
Calculator‰ screenshot 1
Calculator‰ screenshot 2

Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Accurate calculations
  • 👍 Simple, no-frills design

Room to Improve

  • 🔍 Lack of advanced features
  • 💰 Ads can be intrusive
  • 🔒 Concerns about security/malware
Calculator +#3

Calculator + by xNeat.com

Scientific Calc Plus Fraction
Worth Considering
🔧 Utilities
4.6😊(9.6K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1

Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

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 Trigonometry Calculator Identities apps to explore

4
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

Quickly crunch numbers with our user-friendly iPad calculator app that offers basic and scientific functions. Download now for accurate calculations on the go!

🔧 Utilities
(60K)
5
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

A simple and intuitive calculator app with essential functions like addition, subtraction, multiplication, and more. Customize with multiple color schemes, copy results easily, and use additional functions on iPad. Experience the perfect balance of features and simplicity today!

🔧 Utilities
(33K)
6
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Calculator & Photo Solver
Free

An AI math calculator app that simplifies math problem-solving from pre-algebra to calculus, by providing step-by-step solutions. Say goodbye to math struggles and solve problems with confidence today!

📚 Education
(26K)
7
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)
8
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

An advanced scientific graphing calculator app that is user-friendly and suitable for basic to advanced mathematics, offering a powerful math core and extensive support features. Ideal for engineers, math students, and more, with built-in documents for various calculations. Explore the world of advanced mathematics with ease and efficiency.

📚 Education
(12K)
9
Trigonometry Help Lite
Trigonometry Help Lite
Trigonometry Help Lite
Triangle Calculator + Workings
Free

Find unknown angles and sides of triangles with Trig Help, a simple triangle calculator. Quickly solve trigonometry problems with ease.

📚 Education
(688)
10
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

A user-friendly basic four-function calculator with a clear display and large buttons for easy calculations, available on both portrait and landscape modes. Download now for a straightforward and efficient way to handle your math tasks!

🔧 Utilities
(243K)
11
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

A top-rated scientific calculator app on iOS devices offering advanced math functions with a user-friendly interface for users of all levels. Features include step-by-step solutions, math photo solving, and handwriting recognition. Enhance your calculations with this versatile tool.

📚 Education
(6.2K)
12
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

🔧 Utilities
(1.7M)
13
Quick Graph
Quick Graph
Quick Graph
Scientific Graphing Calculator
Free

Quick Graph is a powerful scientific graphing calculator app for iPad and iPhone, offering 2D and 3D graphing capabilities in various coordinate systems. With features like equation evaluation, equation storage, and high-resolution graphics, it's a must-have tool for students and professionals alike. Visit the website for more information and unleash the full potential of your device with the advanced feature set.

📚 Education
(405)
14
Trigonometry Calculator.
Trigonometry Calculator.
Trigonometry Calculator.
Simple Triangle Calculator
Free

A simple and high-precision calculator for right-angled triangles that quickly determines key values such as sides, angles, and area based on known values. Try it out for accurate and efficient calculations in a user-friendly interface.

🔧 Utilities
(3)
15
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

Explore math with a powerful graphing calculator application that allows you to plot various equations, use sliders for interactive adjustments, create tables for data input, analyze statistics, and more. Visit the website to access the free browser version and enhance your mathematical skills today.

📚 Education
(1.3K)
16
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Photomath helps learners understand math step by step with accurate solutions, explanations, and various methods. Scan math problems to untangle complexities, access step-by-step explanations, expert-developed methods, word problem instructions, interactive graphs, video learning, and an advanced scientific calculator. Dive deeper with Photomath Plus for custom tutorials and textbook solutions.

📚 Education
(733K)
17
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

A color calculator app that helps users find complementary color schemes for design projects. Simply input a base color and let the app generate harmonious color combinations for your projects. Try it now to elevate your design choices!

🔧 Utilities
(15K)
18
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

📚 Education
(327)
19
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!

📚 Education
(12K)
20
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

💰 Finance
(23K)