249+ iOS apps curated and reviewed
The best converter neo apps on iPhone average 4.1★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (1.2K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | — | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.6★ (16K) | No | Yes | Aug 2026 |
| 4 |  | Free | 1.0★ (3) | No | No | May 2026 |
| 5 |  | Free | 2.0★ (7) | Yes | No | May 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | — | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.5★ (17) | — | No | Jul 2026 |
Convert currencies offline with up-to-date exchange rates for all world currencies and cryptocurrencies. Features include a home screen widget and support for multiple Apple devices. Ads are limited to one per day.
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.
This utility app provides quick and easy conversions between various measurement units. It supports standard categories like length, area, volume, and weight, as well as specialized units for angle, speed, data storage, and currency for over 160 countries.
This application offers a professional and user-friendly interface for converting between various units. It supports over 300 units across more than 20 categories, including currency, temperature, and length.
Easily convert image formats, perform basic edits like rotation and cropping, and compress files without losing quality. This tool is designed for everyday photo editing, office work, and design drafts, requiring no professional skills.
This app offers a straightforward way to convert common measurements across various categories like length, weight, and temperature. It features a clean interface for quick input and instant, readable results, with options to swap units and view conversion history.
This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.
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 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.
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 and customizable unit converter with over 1400 units across 52 categories. It includes a built-in calculator, currency conversion with automatic updates, and specialized converters for clothing and cooking. Designed for ease of use on Apple devices, it supports offline conversions and offers a clean, professional interface.
Easily convert between a wide range of units for length, area, mass, temperature, volume, and more. This app offers a comprehensive set of conversion tools for everyday and professional use.
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.
Easily convert audio and video files between various common formats. Supports popular audio types like MP3 and WAV, and video types such as MP4 and MOV. You can also extract audio from video files.
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.