9+ similar apps compared and reviewed
Whether you want more options like 西暦和暦早見表｜年齢＆干支も一瞬でチェック or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Easily calculate graduation years, ages, and convert between Gregorian and Japanese eras. Customize for early or late birthdays, or even years of repeating a grade. All information is accessible without any advertisements.
This app provides a free Japanese calendar and Reiwa widget for iOS devices. It offers quick reference tables, search functionality for various calendar systems, and personal notes. Enjoy dark mode and home screen widgets for easy access.
Instantly convert between Gregorian and Japanese eras, calculate ages, and determine zodiac signs. This app helps answer common questions about historical dates and personal timelines with an easy-to-use interface and automatic conversion for non-existent years.
Easily search for postal codes by municipality or partial address. Copy codes to your clipboard. The app allows for updating to the latest data from within the application.
This app serves as a digital appendix for diaries, offering a wealth of information on Japanese living, etiquette, and culture. It includes details on manners, calendars, unit conversions, and various trivia. Users can bookmark content and view it offline, with language switching between Japanese and English.
Discover daily anniversaries, historical events, and celebrity birthdays instantly upon opening. Perfect for finding conversation starters for meetings, business chats, or social media content. Also displays lucky and unlucky days (Rokuyo) at a glance.
