Taiwan Datum vs Selene

This application is primary used to measure coordinates of Taiwan. It provided three different type of coordinates - WGS84, TWD97 and TWD67. All measure data could be exported as a csv file for post process. In addition, users could also add photos, videos and voice records to the measure data, and the photos, videos and voice records could be downloaded through iTunes.

Selene is a shift calendar for people who work rotating or irregular shifts. No ads. No in-app purchases. No sign-up. All 30 themes included. SHIFT ALARMS Set an alarm time for each shift type. Alarms are scheduled automatically around your shifts. Requires iOS 26 or later. HOME SCREEN WIDGETS View upcoming shifts and events without opening the app. COMPARE SCHEDULES Add multiple calendars to compare your shifts with other people's. SHIFT STATISTICS View shift statistics for a selected date range. SHARE SCHEDULES Share your schedule with family, friends, or colleagues. EXPORT SCHEDULES Export shift calendars as PDFs or images, and multi-person schedules as CSV spreadsheets. Share or print your schedules. EXPORT TO SYSTEM CALENDAR Add your shifts to the system calendar. NOTES AND REMINDERS Record notes and shift swaps, and set event reminders. THEMES AND LAYOUTS Choose from 30 themes with an illustrated classic layout. DARK MODE All themes support light and dark mode, with the option to follow your device's settings. HOLIDAYS Display U.S. federal holidays in your calendar. ICLOUD SYNC Sync and back up your schedule across your devices using iCloud. DEVICE SUPPORT Available on iPhone and iPad, with adaptive layouts for iPhone Duo. Launched in 2018, Selene is now in its ninth year and still regularly updated. Thank you to every user, longtime and new, for your support and feedback. Feature requests and reports of issues are welcome. Contact us in the app: Settings > Contact Developer.