208+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our 3calc list covers 208+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (2.6K) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.7★ (3.5K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.5★ (146K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 5.0★ (4) | Yes | No | Jul 2026 |
| 5 |  | Free | 3.0★ (2) | No | No | Jul 2026 |
| 6 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 7 |  | Free | 5.0★ (5) | No | Yes | Jul 2026 |
| 8 |  | Free was $4.99 | 4.6★ (4.9K) | Yes | Yes | Jul 2026 |
Calculate mortgage payments, loan amounts, interest rates, and terms. This app also functions as a standard calculator and supports semi-annual compounding. View loan summaries and amortization tables, and email or save your calculations.
A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
Easily solve proportion problems with a simple and intuitive interface. This app uses the cross product method for quick and accurate calculations across various fields like finance and science. It's available offline and free to use.
A straightforward and visually appealing calculator designed for Apple Watch, iPad, and iPhone. It offers a clean interface for everyday calculations.
A straightforward calculator designed for basic arithmetic tasks. It offers a clean interface for solving everyday calculations without complex features. Ideal for quick computations.
This app helps estimate the carbohydrate content of meals using multiple input methods, including 3D scanning, recipe analysis, voice, and text. It provides carb estimates for various food items and recipes to aid in dietary management.
This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.
This app offers a visually engaging calculator experience with realistic 3D button effects and customizable skins. It includes a history feature to review past calculations and a backspace key for easy corrections, all within an ad-free interface.
Estimate your paycheck's tax withholding with this ad-free tool. Input your gross pay, deductions, filing status, and allowances to see how much goes to the government and how much you keep. Optimize your budget and prepare for tax season.
Calculate the true cost of 3D prints by factoring in filament, electricity, labor, and overhead. Offers both free and premium features for hobbyists and businesses, with a strong focus on privacy and offline functionality.
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.
A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.
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 versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.
This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.
Easily calculate the volume of various shapes in cubic yards for landscaping materials, construction, or waste disposal. Get an estimated cost for your materials based on price per unit.
This app offers a suite of specialized calculators for RC car enthusiasts. It helps with gear ratios, suspension geometry, corner weights, oil viscosity, fuel usage, and top speed estimations. It also stores data for multiple cars and includes helpful guides.
This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.
This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.