228+ iOS apps curated and reviewed
Out of 228+ unit converter offline apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 2 |  | Free | — | Yes | No | Jul 2026 |
| 3 |  | Free | 4.7★ (645) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | Aug 2026 |
| 5 |  | Free | 4.7★ (48K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.8★ (81K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | — | — | No | Jul 2026 |
| 8 |  | Free | 3.9★ (54) | No | Yes | Aug 2026 |
This utility app allows for quick and easy conversion of various measurements. It displays multiple related results simultaneously on a single screen, working entirely offline. Ideal for everyday tasks, study, and professional use.
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.
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.
A straightforward unit converter designed for ease of use and efficiency. It offers a wide range of conversion options without any advertisements, saving battery and data. All conversions are performed on a single, intuitive screen.
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 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 hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.
Easily convert between over 75 units across 10 categories, with automatic calculations for all units simultaneously. Customize your list for quick access to frequently used conversions, including specialized options for cooking and imperial measurements. Enjoy a colorful, ad-free experience with offline functionality.
This application offers a straightforward and efficient way to convert various units. It features a simple interface for quick conversions and allows users to save their conversion history for future reference.
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 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 app offers a user-friendly interface for converting units across more than 40 categories, including length, weight, volume, and digital storage. It works offline and saves conversion history for future reference. Ideal for students and professionals needing quick and accurate conversions.