191+ iOS apps curated and reviewed
Every iPhone needs a few good decimal to percent converter apps. We benchmark 191+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | $6.99 | 5.0★ (8) | No | No | Jul 2026 |
| 3 |  | Free | 4.7★ (70K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 3.3★ (69) | No | No | Jul 2026 |
| 5 |  | Free | 4.5★ (10K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 3.6★ (150) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.7★ (48K) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.8★ (97) | No | No | Jul 2026 |
Master the conversion between decimals, fractions, and percentages with this adaptive learning app. It offers a fun and frustration-free way to build number sense and fluency in mathematical concepts essential for various fields.
This app provides real-time exchange rates for all world currencies, including cryptocurrencies, and functions offline. It features an embedded calculator, the ability to set custom rates, and updates hourly. An optional premium version removes ads and offers additional features.
Instantly convert over 300 currencies, metals, and cryptocurrencies with real-time exchange rates. Access reliable data and advanced analysis tools to understand currency fluctuations and approximate bank rates.
Easily convert currencies with up-to-the-minute exchange rates. Ideal for travelers, it offers offline access, customizable rate modifications, and support for over 170 world currencies, including precious metals and Bitcoin. Features like home screen widgets and daily rate change tables enhance usability.
Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.
Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.
This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.
This app provides fast and accurate currency conversions for all global currencies, popular cryptocurrencies, and precious metals. It offers offline functionality, live rates, interactive charts, and historical data. An exclusive feature helps calculate payments in mixed currencies.
Easily convert money between over 160 currencies with real-time exchange rates. This app offers a clutter-free interface for quick searches, direct conversions, and even includes a calculator for financial tasks.
This app offers a fast and user-friendly way to convert units and currencies. Customize your conversion lists and get instant results as you type, with support for over 350 units and 160 currencies. It also includes a built-in calculator and offline currency data.
This tool converts between decimals and fractions, and also handles unit conversions for construction and metric measurements. It offers an intuitive interface for calculations and editing, with advanced features available through upgrades.
Easily convert between fractions and decimals with this straightforward calculator. It offers multiple conversion options and fraction simplification tools. Get precise results for your mathematical needs.
This app allows for easy conversion between binary, hexadecimal, octal, and decimal number systems. It also includes functions for bitwise operations like shifting and arithmetic operations such as adding or subtracting one. An optimized keyboard simplifies input for various number bases.
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 comprehensive solution for converting units across more than 20 common categories, including over 400 units. It supports mixed units and currency exchange with real-time updates, making it useful for work, study, and daily life. The app features a scientific calculator and a user-friendly interface.
This app offers a comprehensive unit conversion tool with over 971 units across 40 categories, including 173 currencies with real-time exchange rates. It features an intuitive interface, a scientific calculator, and offline functionality, making it ideal for precise conversions.
This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.
This application facilitates quick and straightforward conversions between binary, decimal, and hexadecimal number systems. It offers a user-friendly interface with minimalist graphics and vivid colors, providing instant and accurate results for all number sizes. It's designed for users of all ages needing assistance with number base conversions.