Best apps like ODE Solver +

10+ similar apps compared and reviewed

4.6 avg rating
10 free apps
Updated August 2026

ODE Solver + is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to ODE Solver +

iZip –  Zip Unzip Unrar#1

iZip – Zip Unzip Unrar by ComcSoft Corporation

The Best Zip File Manager
Editor's Choice
🔧 Utilities
4.8😐(63K ratings)
FreeAdsIn-App Purchases
iZip –  Zip Unzip Unrar screenshot 1
iZip –  Zip Unzip Unrar screenshot 2
iZip –  Zip Unzip Unrar screenshot 3
iZip –  Zip Unzip Unrar screenshot 4
iZip –  Zip Unzip Unrar screenshot 5
iZip –  Zip Unzip Unrar screenshot 6

This app is a powerful file management tool for handling compressed archives on iPhone and iPad. It allows you to unzip various archive formats, including password-protected ones, and compress files into ZIP archives. You can also view many document types and integrate with cloud storage services.

What We Love

  • 👍 Easy to use
  • 🚀 Effective at unzipping files
  • 💡 Helpful for work and emulators
  • 🔒 Password protection for files

Room to Improve

  • 🐛 Crashes on random files
  • 🔍 Limited functionality in free version
  • 💰 Aggressive upselling to paid version
FIXD OBD2 Scanner#2

FIXD OBD2 Scanner by FIXD Automotive Inc

Clear Your Check Engine Light
Strong Contender
🔧 Utilities
4.6😐(26K ratings)
FreeIn-App Purchases
#37in Utilities
FIXD OBD2 Scanner screenshot 1
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FIXD OBD2 Scanner screenshot 6

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

What We Love

  • 👍 Easy to use
  • 🚀 Quickly identifies problems
  • 💰 Saves money on mechanics
  • 🔍 Provides detailed diagnostic information

Room to Improve

  • 🔒 Requires subscription for full functionality
  • 💰 Expensive premium subscription
  • 🤖 Inconsistent performance across vehicles

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This application offers advanced 2D and 3D graphing capabilities for various function types, alongside a comprehensive scientific calculator. It supports implicit graphing, complex number visualization, and symbolic differentiation. The calculator includes user-defined variables, live evaluation, and probability density functions.

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Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
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This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

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HiPER Scientific Calculator
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HiPER Scientific Calculator
by Jindrich Houska
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This app offers advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.

Symbolic algebraIntegrals and derivativesHigh precision calculations
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7
3d Scanner App™
3d Scanner App™
3d Scanner App™
LIDAR Scan in 3d
Free

Transform your device into a powerful 3D scanner using LIDAR or TrueDepth technology. Capture spaces and objects in full-color 3D, edit scans, and share them in various popular formats for professional workflows or personal projects.

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Mechanical Engineering Toolkit
Mechanical Engineering Toolkit
Mechanical Engineering Toolkit
Engineering Equations,Formulas
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This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

Engineering equations and formulasMechanics of Material calculationsTheory of Elasticity formulas
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Calculator #
Calculator #
Calculator #
Scientific Calculator
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This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
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Physics Toolbox Sensor Suite
Physics Toolbox Sensor Suite
Physics Toolbox Sensor Suite
Sensor Data Visualization Tool
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This app turns your smartphone into a scientific instrument suite, enabling measurement, recording, analysis, and export of real-time sensor data. It offers tools for kinematics, acoustics, light, magnetism, and more, suitable for students, educators, researchers, and hobbyists.

Real-time sensor data measurementData recording and analysisData export functionality
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