32+ iOS apps & games curated and reviewed
Every iPhone needs a few good julian day apps and games. We benchmark 32+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 was $1.99 | 4.7★ (105) | No | No | Jul 2026 |
| 2 |  | Free | 4.8★ (4K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.8★ (2.7K) | — | No | Jul 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | $1.99 | 4.7★ (47) | No | No | Jun 2026 |
| 6 |  | $1.99 | 4.7★ (23) | No | No | Jul 2026 |
| 7 |  | $0.99 | 4.9★ (15) | No | No | Jul 2026 |
| 8 |  | Free | 3.9★ (749) | Yes | No | Jul 2026 |
Easily convert dates between the Gregorian calendar and the Julian Day of Year (ordinal date). This tool is useful for systems that use day-of-year numbering, such as mainframes, military, and food industries. It offers a clean interface, monthly views, and widgets for quick access.
This app provides a quick and efficient way to view and convert between 11 different types of dates, including standard Julian dates, Mars Sol dates, and Unix time. It features a calendar for easy navigation and allows copying dates to the clipboard. The current date can be displayed on the app icon and Apple Watch complications.
Convert between standard calendar dates and Julian dates. Supports 5-digit and full Julian date formats, including time. Also allows conversion from Julian dates back to calendar dates.
View various Julian Calendar dates, including short, long, and reduced Julian Dates. Supports Lock Screen and Home Screen widgets for easy access to date conversions and calculations.
This utility app converts between Julian and Gregorian dates and tracks Julian Day Numbers. It's designed for users in fields like astronomy, military operations, and historical research who need precise date management for daily operations.
This utility app displays the current Julian Date, time with seconds, military date format, day of the week, and Zulu time (GMT). It's designed for quick access to essential timekeeping information.
Easily create and manage your family history with an intuitive interface. This app allows you to build interactive family trees without an account or paid services. Streamline complex relationships and visualize your ancestry with ease.
Decode your romantic destiny with daily love forecasts, compatibility reports, and diverse tarot readings. Navigate relationships with confidence using astrological insights and personalized guidance.
This app provides essential astronomy-related time data, including Julian Date, Universal Time, and Sidereal Time calculated using your device's location. It features a night-vision friendly red display and pop-up descriptions for easy understanding.
Access daily saints and feast days according to both Julian and Revised Julian calendars. Discover who is celebrating a name day by matching your contacts to the saint of the day, with privacy-focused contact access.
Track the moon's journey with detailed phase information, rise and set times, and astrological insights. Access historical and future data for any date and location, with customizable widgets and notifications for key lunar events.
This app helps employees easily track and manage their in-office days. It allows for forecasting attendance, spotting trends, and ensuring compliance with company policies. The interface is designed to be clear and effortless, promoting accountability and productivity.
This app helps you understand your body's stress response by tracking your heart rate and HRV using your phone's camera. Log your mood and receive personalized wellness advice to build healthier habits.
This app calculates the day of the week for any date between 4500 BC and 4500 AD. It also displays moon phases and planet positions, with features available in 30 languages. Includes Julian Date, Islamic, Chinese, and Korean calendars.
Easily convert between 12-hour (AM/PM) and 24-hour military time. This app offers instant conversions, local time display, time zone support, and convenient widgets. Learn and practice military time with a built-in chart.
This utility app displays local sidereal time for registered locations on iOS, iPadOS, and watchOS. It can also calculate sidereal time and Julian Date for any date and time, and sync locations between devices.
This tool converts between GPS Time and UTC, supporting various formats like GPS Week, Gregorian calendar, and Modified Julian Date. It accurately handles leap seconds and saves conversion history for GNSS professionals, researchers, and students.
Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.
Explore a terrifying hospital, collect clues, and solve puzzles to uncover a dark secret. Engage in combat with weapons, utilize stealth, and develop skills to survive against horrifying ghosts. Experience a realistic 3D horror adventure with a complex plot and immersive sound.