0+ iOS apps curated and reviewed
If you already know Units, this is the deeper bench. 0+ natural units apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.6★ (150) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (48K) | Yes | No | Aug 2026 |
| 3 |  | Free | 5.0★ (6) | No | Yes | May 2026 |
| 4 |  | Free | 4.8★ (2.5K) | No | Yes | Aug 2026 |
| 5 |  | Free | 5.0★ (3) | Yes | Yes | May 2026 |
| 6 |  | Free | 4.7★ (645) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (97) | No | No | Jul 2026 |
| 8 |  | Free | 4.3★ (210) | No | No | Jul 2026 |
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.
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 calculator handles complex physics calculations with units. It supports SI, natural, and CGS units, physical constants, and functions. It automatically converts units and flags algebraic errors, with an option to upgrade for advanced organization and syncing features.
Access personalized daily video coaching and short mindfulness practices for stress reduction and improved sleep. Learn from renowned teachers and track your progress to cultivate a calmer, more mindful life.
A beautifully designed unit converter with 24 categories and numerous units. Easily convert measurements from one unit to all others with a simple and intuitive interface. More units are planned for future updates.
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.
This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various 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.
Easily convert between over 260 measurement units across 22 categories and get real-time currency exchange rates for more than 160 currencies. Quickly find units or bookmark frequent conversions for efficient use.
Easily convert between various units for distance, area, volume, weight, speed, temperature, and more. Supports conversions between different regional systems like Europe, the US, and the UK.
This app offers a streamlined unit conversion experience, focusing on clarity and ease of use. It avoids common frustrations found in other converters by clearly displaying unit names and abbreviations, and by offering a simple, intuitive interface. Convert everyday units like length, weight, and temperature with confidence.
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.
Easily convert between various units with this offline utility. View all conversions simultaneously without needing to switch screens, making it incredibly straightforward to use.
Prepare for your USCIS Citizenship exam with realistic practice tests and quizzes. Access over 1,800 expert-written questions, detailed explanations, and personalized study plans to boost your confidence and increase your chances of passing on the first try.
This utility app offers a smart and elegant tool for converting between various units of measurement. It covers over 9 common categories, including length, temperature, mass, and volume, with a simple and optimized user interface.
Track your truck deliveries and view ordered items in a single, convenient interface. Submit claims easily and manage your notification preferences for timely updates. Stay tuned for more features designed to streamline your logistics.
This free utility app provides essential unit conversions for the oil and gas industry. It supports a wide range of common oilfield measurements, including area, capacity, density, and pressure. Users can request additional units via email.
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 straightforward and user-friendly interface for converting various units of measurement. It categorizes essential conversions for daily life, ventilation, science, and other common needs.
This application provides a comprehensive tool for converting units across various scientific disciplines and everyday needs. It offers over 70 conversion options, catering to professionals, students, and anyone requiring precise unit transformations.