219+ iOS apps curated and reviewed
Out of 219+ neutral density calculator apps on iOS, 14 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
This utility app assists photographers in determining the correct shutter speed when using neutral density filters. Input your filter's stops and base shutter speed to instantly get the adjusted exposure time, with an optional countdown timer for long exposures.
This utility helps landscape photographers determine the correct graduated neutral density filter for any scene. It uses your device's camera to measure dynamic range or allows manual input for filter density calculations.
This app transforms your device into a 3D freight dimensioner, allowing you to quickly measure dimensions, calculate density, and determine freight class. It eliminates the need for manual measuring tools and expensive scanning equipment, providing fast, accurate, and cost-effective logistics solutions.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
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.
This app provides essential photography calculation tools, including depth of field, neutral density filter adjustments, and exposure shifts. It offers advanced features like Pixel Peeper mode for enhanced accuracy and Apple Watch integration.
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.
This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.
This app functions as a powerful graphing calculator with extensive scientific functions, unit conversion, and a built-in math and science reference. It supports graphing multiple equations, polar coordinates, and implicit functions, making it ideal for complex calculations and homework.
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
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.
This application simplifies fraction calculations for students, professionals, and anyone needing to work with fractions. It offers step-by-step explanations for equations and can handle both decimal and fraction inputs, converting between the two. The app supports large numbers and saves previous calculations for easy review.
This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.
Easily estimate the quantity of various landscaping and hardscaping materials like gravel, stone, and sand. Get precise measurements in tons, cubic yards, or cubic meters for your projects.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.
This app provides a comprehensive graphing and scientific calculator experience on your mobile device. It allows you to graph multiple functions, solve equations, perform statistical analysis, and work with matrices, all with a familiar interface. Ideal for students and anyone needing advanced calculation capabilities on the go.
This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.