Era Converter Plus app for iPhone and iPad

Main Functions
- Convert between the Gregorian year and the Japanese era
- Multi-device support for iPhone, iPad, and Mac
- From ancient times to the present(Expanded coverage from 593 AD onwards)
- Use the search button to quickly check the Chinese zodiac, leap months, and dates of era changes
- Addition of Chinese zodiac readings (both on-yomi and kun-yomi) and zodiac numbers (Plus)
- Option to select additional display items (Plus)
- Notes can be registered for each year (Plus)
- Font color can be set (Plus)
- Easily access previous or following years with the +/- buttons
- Long press on search results to copy
- Supports parallel era names, such as those from the Nanboku-chō period. Both are displayed when converting from the Gregorian year.
- For years after Meiji 6, the leap month field displays leap years (*)