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.



244+ iOS apps curated and reviewed
With an average user rating of 4.3★, the twilight nautical category is one of the App Store's strongest. Browse all 244+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | $0.99 | 3.3★ (6) | No | No | Aug 2026 | |
| 2 | $8.99 | 4.6★ (3.8K) | No | No | Aug 2026 | |
| 3 | $0.99 | 5.0★ (5) | No | No | Jul 2026 | |
| 4 | Free | — | Yes | No | Aug 2026 | |
| 5 | Free | 5.0★ (4) | No | No | Jul 2026 | |
| 6 | Free | 4.6★ (297) | Yes | Yes | Aug 2026 | |
| 7 | Free | 3.3★ (20) | Yes | Yes | Jul 2026 | |
| 8 | Free | — | No | Yes | May 2026 |



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.






Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.






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.




Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.


This app provides precise global data on sun and moon positions, sunrise, sunset, moonrise, and moonset times. It features an interactive map and time-chart for easy visualization of celestial paths and seasonal shifts, with offline calculations for current location.


This app displays the precise times and directions of sunrise and sunset based on your current location and elevation. It also provides detailed information about the moon, including its phase, rise and set times, and illumination.


This app provides tools for nautical course instructors to deliver engaging content to their students. It allows for custom branding and offers learning modules on radio, sounds, lights, and rules of passage, accessible anytime on mobile devices.


Get precise sunrise, sunset, and twilight times for any location and date. Plan your day with solar noon and day length information. Easily share event data and create calendar reminders.


Master navigation lights and day shapes for skipper exams with this flashcard app. It uses spaced repetition to build lasting visual memory, tracks your progress, and resurfaces difficult configurations until they stick. Study offline with no ads or subscriptions.


Calculate precise celestial positions for navigation from 1900 to 2050. Get real-time data on the Sun, Moon, planets, and stars, including rise/set times and atmospheric corrections.




Displays precise sunrise and sunset times for your current location, adaptable to any date. It also calculates civil, nautical, and astronomical twilight periods. Ideal for photographers, cyclists, and stargazers.


Track sunrise, sunset, and twilight times globally with visually appealing gradient displays. Receive notifications for key solar events and access golden and blue hour times for photography. A simple widget provides at-a-glance information.




This free publication offers insights and professional development for marine navigators. It features articles on crucial topics like radar, ECDIS, and passage planning, with access to past editions.




This app provides comprehensive tools for marine navigation, including real-time ship movement, route planning, and advanced sailing calculations. It also offers features for collision avoidance, maneuvering, and learning maritime regulations and signaling.


Learn nautical terms and definitions for boating tests or general knowledge. Includes local weather forecasts and a built-in compass for navigation on lakes and oceans.

