206+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our unit converter energy list covers 206+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (16K) | No | Yes | Aug 2026 |
| 2 |  | $9.99 was $29.99 | 4.8★ (982) | No | No | Aug 2026 |
| 3 |  | Free was $0.99 | 4.6★ (193) | No | No | May 2026 |
| 4 |  | Free | 3.6★ (150) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (2.3K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (17) | No | No | Aug 2026 |
| 7 |  | Free | 4.7★ (47K) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.7★ (1.6K) | Yes | Yes | Jul 2026 |
This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.
Effortlessly convert between hundreds of units across 26 essential categories with this precision calculator. Designed for speed and simplicity, it offers accurate results in seconds for students, professionals, and travelers alike. Enjoy offline functionality and a customizable experience.
This app provides a powerful and intuitive way to convert between a wide range of units, including length, weight, temperature, and more. It offers simultaneous conversion of multiple units and customizable options for a personalized experience. Get instant, accurate results for all your conversion needs.
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.
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 convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.
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 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.
Easily convert between a vast array of units used globally. This utility app aims to support the most common units and plans to add more over time. It's designed for quick and accurate conversions.
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 convert over 160 currencies and 350 physical units with real-time updates and offline capabilities. Create a favorites list for quick access to frequently used conversions and enjoy geo-based currency options. An ad-free version is available for purchase.
Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.
Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.
Easily convert between a vast array of US, imperial, and metric units across multiple categories including length, area, volume, weight, and temperature. This comprehensive tool supports numerous specific units within each conversion type.
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.
Easily convert between various units with this offline utility. View all conversions simultaneously without needing to switch screens, making it incredibly straightforward to use.
Easily convert between 76 measurement units across eight common types, including length, weight, temperature, and volume. Features a built-in calculator and optional currency conversion with daily exchange rate updates.
Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.
Easily convert over 700 different units across various categories like length, area, currency, and temperature. This tool simplifies complex conversions for everyday use and professional needs.