186+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our cool calc list covers 186+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
Capture precise 3D room scans using your device's LiDAR sensor. Organize projects, integrate with a web platform for advanced visualization, and export models in industry-standard formats. Ideal for professionals needing accurate spatial data.
Estimate the cooling capacity needed for your data center. This tool considers factors like space, occupants, and heat output to help you maintain optimal temperature and humidity. It provides instant results as you update inputs, serving as a guide for system selection.
Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.
This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.
This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
This utility helps you determine the appropriate cooling capacity for an air conditioner based on room size and other factors. It simplifies the process of selecting the right unit to ensure optimal comfort and energy efficiency.
This app assists in calculating heat gain for cold rooms, supporting various heat sources and construction materials. It offers project organization and in-app help, with an optional subscription for PDF export.
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 app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This app offers a modern and intuitive way to perform everyday calculations. It features a unique Memory Area for reusing values, bookmarking for saved calculations, and leverages the latest iOS technologies for a seamless experience. Designed with privacy in mind, it's suitable for students and professionals alike.
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.
This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.
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.
This app provides a large-key calculator with a virtual paper tape for reviewing calculations. It allows users to email tapes, add comments, and reuse numbers from previous entries. Customize keyboard layouts and display formats for an optimized office experience.
This app is an advanced symbolic calculator and text editor. It solves equations, simplifies expressions, and allows you to explain your work alongside calculations. Calculations update instantly as you type, and all data is stored as plain text for easy sharing and device syncing.
A customizable and powerful calculator for everyday tasks. Features include calculation history, dynamic editing, multiple spaces, and useful overlays like a tip calculator and unit converter. It offers iCloud sync and home screen widgets without ads or trackers.
A user-friendly calculator with essential functions and advanced features like tax and discount calculations. Easily reuse past calculations or edit expressions with intuitive controls. Offers customization options for themes and fonts.
Solve calculus homework and textbook problems with this comprehensive math software. It offers animated solution steps, a scientific and graphing calculator, and an intuitive editor for typing in your own problems. Ideal for students preparing for exams.