174+ iOS apps curated and reviewed
Finding the right unit converter power apps can be overwhelming with so many options. We've analyzed 174+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $0.99 | 4.6★ (193) | No | No | May 2026 |
| 2 |  | Free | 4.7★ (642) | Yes | Yes | May 2026 |
| 3 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.7★ (2.3K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (172K) | Yes | Yes | Jul 2026 |
| 6 |  | $9.99 | 4.8★ (5.1K) | No | No | Jul 2026 |
| 7 |  | Free | 4.7★ (1.6K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
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 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.
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 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 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.
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 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 measurements across various categories including area, currency, length, and temperature. This utility app provides quick and accurate conversions using the latest data for currencies.
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.
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 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.
Easily convert units across 12 categories including cooking, currency, and distance. Access conversions on your iPhone, Apple Watch, and home screen widgets. This app offers a clean interface and works offline for most conversions.
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 solution for converting various units and currencies. With over 25 categories and 150 currencies supported, it caters to a wide range of conversion needs. It is designed for Apple devices and supports 24 languages.
This utility app offers precise unit and currency conversions with over 1400 units across 34 categories. It supports light/dark modes, home widgets, and an independent Apple Watch app. Features include a custom keypad with calculator mode and educational Wikipedia integration.
Convert currencies and units quickly and efficiently on a single screen. This free version offers essential conversion tools with a built-in calculator and natural language search. Upgrade to the full version for expanded unit options and an ad-free experience.
This free app offers lightning-fast unit and currency conversions with an ultra-sleek design. Easily convert essential units and currencies with just a few taps, making it a delightful and efficient tool for your iOS device.
This app offers a straightforward and fast unit conversion experience, avoiding complex designs. It provides real-time conversions for a wide range of units and currencies, with automatic currency updates and offline functionality. Ideal for professionals, students, and anyone needing quick and accurate conversions.
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.