249+ iOS apps curated and reviewed
Civil Twilight Calculator is the household name in civil twilight calculator, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 5.0★ (5) | No | No | Jul 2026 |
| 2 |  | $0.99 | 3.3★ (6) | No | No | Aug 2026 |
| 3 |  | Free | 4.7★ (61K) | No | No | Aug 2026 |
| 4 |  | Free | — | — | No | Jun 2026 |
| 5 |  | Free | 1.7★ (3) | No | No | May 2026 |
| 6 |  | Free | — | No | Yes | May 2026 |
| 7 |  | Free was $3.99 | — | No | No | Jul 2026 |
| 8 |  | Free | 3.0★ (1) | No | No | May 2026 |
Calculate precise daylight and twilight times for pilots and outdoor professionals. This app performs all celestial calculations internally, requiring no internet connection for core functionality. It supports GPS locations, global airports, and even addresses when online, with accurate historical and future data.
This app calculates the sun's position and civil twilight times for outdoor enthusiasts. It works offline and without a phone connection, providing accurate data for pilots, boaters, and hikers anywhere in the world.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
This comprehensive utility app offers a wide range of calculators for everyday tasks, financial planning, unit conversions, and date calculations. It features a user-friendly interface, customizable options, and support for multiple number systems, making it a versatile tool for students and professionals alike.
This app offers a classic scientific calculator with both simple and engineering modes. It allows users to save calculations, customize the background with personal images, and preview expressions. It supports a range of Apple devices and includes dark/light modes.
A simple, neat, and brilliant calculator that displays entire calculations and answers at once. Personalize your experience by choosing your favorite color theme. Works on iPhone and iPod.
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
This free calculator app allows users to input equations naturally, like writing on paper, and supports advanced scientific functions. It offers a history of calculations, customizable themes, and compatibility across iOS devices.
