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Best 135 Degrees Apps

194+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Looking for free 135 degrees apps? 18 of our 194+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for 135 Degrees

Desmos Graphing Calculator#1

Desmos Graphing Calculator by Desmos, Inc.

Editor's Choice
📚 Education
4.3😊(1.3K ratings)
Free
Desmos Graphing Calculator screenshot 1
Desmos Graphing Calculator screenshot 2
Desmos Graphing Calculator screenshot 3
Desmos Graphing Calculator screenshot 4
Desmos Graphing Calculator screenshot 5
Desmos Graphing Calculator screenshot 6

Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.

What We Love

  • 🚀 Insane tool for FREE!
  • 🚀 Best mobile graphing app
  • 👍 Awesome for algebra and calculus
  • 👍 Genuinely an awesome resource

Room to Improve

  • 🐛 Crashes and bugs
  • 🐛 Glitches with certain features
  • 🐛 Loses saved data
Quick Graph#2

Quick Graph by KZ Labs

Scientific Graphing Calculator
Strong Contender
📚 Education
4.6😊(405 ratings)
FreeIn-App Purchases
Quick Graph screenshot 1
Quick Graph screenshot 2
Quick Graph screenshot 3
Quick Graph screenshot 4
Quick Graph screenshot 5
Quick Graph screenshot 6

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

What We Love

  • 🚀 Beautiful display
  • 🚀 Quick and straightforward equations entry
  • 🚀 Configurable axes and easy translation
  • 👍 Wonderful and beautiful app

Room to Improve

  • 🐛 Can't really graph polar
  • 🐛 Redesign stinks
  • 🐛 Few options for tablet version
Photomath#3

Photomath by Google LLC

Learn math, step-by-step
Worth Considering
📚 Education
4.8😊(733K ratings)
FreeIn-App Purchases
#37in Education
Photomath screenshot 1
Photomath screenshot 2
Photomath screenshot 3
Photomath screenshot 4
Photomath screenshot 5

Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.

What We Love

  • 🚀 Helpful for homework and understanding concepts
  • 👍 Provides step-by-step solutions and explanations
  • 🤖 Accurate and reliable for solving equations
  • 💡 Useful for checking work and learning from mistakes

Room to Improve

  • 💰 Paywall for accessing step-by-step explanations
  • 🔒 Concerns about using the app to cheat
  • 🐛 Camera focusing issues and inability to solve certain problem types

More 135 Degrees apps to explore

4
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Basic arithmetic operationsTrigonometric functionsStatistical calculations
📚 Education
(327)
free
5
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
Homework Helper & AI Tutor
Free

Solve math problems instantly by taking a photo or entering an equation. Get step-by-step solutions to understand the process and improve your math skills. Covers a wide range of topics from basic arithmetic to calculus.

Camera-based problem solvingStep-by-step solutionsHandwritten and printed math recognition
📚 Education
(12K)
free with in-app purchases
6
Math Ref Lite
Math Ref Lite
Math Ref Lite
More than just a math app
Free

Access a sample of over 700 essential math formulas, figures, tips, and examples across various subjects. This educational tool is ideal for students, teachers, and professionals needing quick math references.

Over 700 math formulas, figures, and examplesTools from Algebra to PhysicsSearch functionality
📚 Education
(7)
free with in-app purchases
7
Loan Calculator‰
Loan Calculator‰
Loan Calculator‰
Simple Loan Calculator
Free

Easily calculate loan or mortgage payments. Simply input the loan amount, repayment term, and interest rate to get your estimated monthly payment.

Loan calculationMortgage calculationAmount input
💰 Finance
(96K)
ad-supported
8
Bubble Level: AR, Angle Finder
Bubble Level: AR, Angle Finder
Bubble Level: AR, Angle Finder
Inclinometer & Ruler Measure
Free

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

Ultra-precise angle measurementInclination and slope meterAugmented reality ruler and protractor
🔧 Utilities
(669)
free with in-app purchases
9
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
10
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Graphing of functionsStatistics and regression analysisMatrix operations
📚 Education
(50K)
free with in-app purchases
11
WolframAlpha Classic
WolframAlpha Classic
WolframAlpha Classic
by Wolfram Group LLC
$2.99

Access a vast computational knowledge engine to get instant expert answers and perform complex calculations across thousands of domains. Explore data, solve problems, and gain insights on topics ranging from finance and nutrition to trivia and weather.

Instant expert knowledgeComplex computationsData analysis and reports
🔍 Reference
(1.2K)
free with in-app purchases
12
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Homework scanner & calculator
Free

Solve math problems instantly by taking a photo or typing your question. Get step-by-step solutions for algebra, graphing, calculus, and more. Understand complex math concepts with unlimited access to answers.

Math problem solverHomework scannerStep-by-step solutions
📚 Education
(425K)
free with in-app purchases
13
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(23K)
free with in-app purchases
14
Math problem solver, photo
Math problem solver, photo
Math problem solver, photo
algebra, trigonometry scanner
Free

This app assists students with their math homework by solving a wide range of problems. It offers features for algebra, trigonometry, and calculus, including graphical analysis and equation solving. Optional subscriptions provide unlimited access to all features.

Graphical curve sketchingEquation solving (higher degree, exponential, trig)Integral and derivation calculations
📚 Education
(558)
freemium
15
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
16
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
17
Photo Math: AI Homework Helper
Photo Math: AI Homework Helper
Photo Math: AI Homework Helper
Scan Question & Solve Problem
Free

This app uses AI to help with math homework. Scan problems with your camera or type them in plain English to get step-by-step solutions and explanations. It also offers an essay writing tool for academic assistance.

Homework scannerStep-by-step solutionsType questions in plain English
📚 Education
(2.6K)
free with in-app purchases
18
Math Solver AI Homework Helper
Math Solver AI Homework Helper
Math Solver AI Homework Helper
Study Help：Ask・Solve Questions
Free

Struggling with math? This app offers instant solutions and clear, step-by-step explanations for a wide range of math topics. Simply snap a photo of your problem to get accurate answers and learn the underlying formulas.

Instant math problem solutionsStep-by-step explanationsPhoto recognition for problems
📚 Education
(1.3K)
free with in-app purchases
19
Vimi: My Math Tutor
Vimi: My Math Tutor
Vimi: My Math Tutor
Master math with Vimi
Free

This AI-powered math tutor creates personalized learning paths to help users master math concepts. It offers adaptive lessons, clear explanations, and engaging exercises tailored to school curricula, making learning approachable and fun.

Personalized learning pathsAdaptive lessonsCurriculum-aligned content
📚 Education
(278)
free
20
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

Scientific and graphing calculatorAI-powered math assistantComplex number calculations
📚 Education
(12K)
free with in-app purchases