222+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our usgbc grains calculator list covers 222+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.8★ (21K) | Yes | No | Jul 2026 |
| 3 |  | Free | 4.6★ (4.8K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.7★ (12K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.6★ (6.4K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (1.7K) | Yes | No | Jul 2026 |
| 7 |  | Free | 3.3★ (81) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.7★ (12K) | Yes | Yes | Jul 2026 |
This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.
This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.
This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.
This app offers advanced scientific calculation and comprehensive currency and unit conversion. It supports a wide range of measurements, global currencies, and includes features like history logs and home screen widgets for quick access.
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.
This app simplifies complex measurements and fraction calculations. Convert between various units, perform addition and subtraction of measurements, and work with feet-inches and fractional inches. It also includes a full fraction calculator with advanced functions and a history tape.
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 calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.
Easily estimate the volume of soil, topsoil, dirt, and landscaping materials needed for any project. Supports various area shapes and multiple measurement units, providing results in multiple volume and weight formats, including the number of bags.
Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.
Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.
Easily calculate the total square footage of any area by inputting length and width measurements. Supports various units and allows for easy copying of calculations.
This app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.
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 comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.
Easily estimate landscaping materials like gravel, soil, mulch, and concrete. Supports multiple units of measurement for accurate project planning. Ideal for DIYers and professionals.
This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.
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.
Calculate precise amounts of concrete, aggregate, and masonry materials needed for various construction projects. Accounts for potential waste and overages to ensure you order the right quantity.