32+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ratioopeningangle list covers 32+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (19) | No | Yes | May 2026 |
| 2 |  | Free | 3.3★ (12) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.9★ (7) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.7★ (16) | No | Yes | Jul 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.0★ (1) | — | No | May 2026 |
| 7 |  | Free | — | Yes | No | May 2026 |
| 8 |  | Free | 2.0★ (8) | — | No | May 2026 |
Master finance and accounting concepts with over 100 interactive flashcards, video, and audio lessons. Covers essential financial ratios and accounting principles for aspiring analysts and professionals.
This utility app specializes in calculating proportions, solving for an unknown value in direct and inverse ratio equations. It handles scenarios like price increases and speed decreases, offering a simple yet effective tool for proportion-based problems.
This free utility app calculates ratios and totals from given inputs. It can also perform back calculations to determine ratios from a total. It even helps calculate heating time based on microwave wattage.
Easily solve proportion problems by entering three of the four variables. This app provides detailed step-by-step solutions and saves all your calculations in a history for later review. Fractions, decimals, and constants are supported.
This utility app quickly calculates unknown values in everyday ratios. It features a clean interface for easy setup and instant results, making it ideal for school, work, or daily tasks.
This tool helps designers quickly calculate the Golden Ratio and Silver Ratio. Input your desired numbers and instantly see five levels of results presented visually. It simplifies complex calculations for design projects.
Visualize the golden ratio in your environment using augmented reality. Easily place golden ratio objects in the real world with just two taps. Includes a calculator to quickly determine sizes based on the golden ratio.
This utility app helps you solve problems involving ratios and proportions. It calculates an unknown number based on the relationship between two other known numbers.
Easily calculate and save frequently used ratios with a clean, user-friendly interface. Ideal for scientific experiments, cooking, and design projects, this tool simplifies proportion management for enhanced learning and hobbies.
Easily calculate dilution ratios for detailing and paint projects. Supports classic ratios, percentages, and complex paint, primer, and clear coat mixes. Specify your desired final product amount for accurate calculations.
This app helps you find the unknown value in proportions by showing step-by-step calculations. It's useful for various applications, from cooking to science, and offers a simple, fast, and visually appealing way to solve proportion problems.
Quickly calculate missing dimensions for layouts and designs based on various aspect ratios. Features presets like the golden ratio, custom inputs, and a live visual preview. Automatically copies results to your clipboard.
Save and reuse frequently used ratios with this calculator. It supports pre-set ratios for screen sizes, aspect ratios, and common mathematical constants. Quickly calculate missing values with decimal point support.