239+ iOS apps curated and reviewed
Unit Converter is the household name in pressure converter, but it's far from the only option. We track 239+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (192K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (16K) | No | Yes | Aug 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | Yes | Yes | Aug 2026 |
| 5 |  | $3.99 | 5.0★ (1) | No | No | Aug 2026 |
| 6 |  | Free | — | No | Yes | May 2026 |
| 7 |  | $1.99 | — | No | No | Jun 2026 |
| 8 |  | Free was $1.99 | 4.5★ (10) | No | Yes | Aug 2026 |
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 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.
Easily convert pressure measurements between various units with customizable rounding options for both decimal and fractional results. Save and email your conversion history for convenient record-keeping.
Quickly convert pressure measurements between various units including Psi, Bar, Atm, and Pascal. This utility tool offers fast and flexible conversions for your needs.
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 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.
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 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 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.
This app offers a comprehensive unit conversion tool with over 30 categories and hundreds of conversions. It includes an integrated calculator for quick calculations without leaving the app. Perform conversions for various measurements like length, temperature, and data, all while working offline.
This application simplifies daily unit conversions with easy-to-use tools. It offers a comprehensive range of conversions across basic, living, and science categories, making calculations accessible to everyone.
