187+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our unit converter energy list covers 187+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $9.99 was $29.99 | 4.7★ (842) | No | No | Jul 2026 |
| 2 |  | Free was $0.99 | 4.6★ (193) | No | No | May 2026 |
| 3 |  | Free | 4.7★ (2.3K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (17) | No | No | Jul 2026 |
| 5 |  | Free | 4.7★ (1.6K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 7 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 8 |  | Free | 4.7★ (642) | Yes | Yes | May 2026 |
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.
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.
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.
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.
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 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 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 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 various units with this offline utility. View all conversions simultaneously without needing to switch screens, making it incredibly straightforward to use.
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.
This app offers a fast and intuitive way to convert between thousands of units and currencies. Simply type to search and select units, with automatic category detection and intelligent suggestions. It includes advanced features like a built-in calculator and bookmark organization.
This app offers a comprehensive unit conversion experience with a vast database of over 1000 units across 50 categories. It supports mixed units, custom unit creation, and provides a unique, visually appealing interface for all your conversion needs.
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.
Effortlessly convert units with this intuitive and lightweight tool. Get real-time results for over 700 units across 30+ categories displayed simultaneously. Customize your conversion lists and access your history.
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.