About this app

Calculates and displays your age and the number of days since your birth. Supports both the Japanese era (Wareki) and the Western calendar. Shows the day of the week you were born and how many days you have lived. You can also store the birthdays of important people. Additionally, you can change the reference date to find out, for example, how old you will be on April 1, 2030. [About the Ad Removal Subscription] With QuickAgePlus, you can remove all full-screen ads by purchasing a subscription for ¥100/month or ¥1,000/year. The subscription auto-renews and can be canceled anytime in your Apple ID settings. 利用規約（EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ プライバシーポリシー：https://vitoyaokatsukatsu.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://vitoyaokatsukatsu.com/privacy/

Latest release

What’s New

Version 5.2.0 May 10, 2026

* Added automatic name reflection from SB registration when saving anniversaries to calendar. * Added a sharing feature for anniversaries via LINE, Messages, and more. * Improved UI and overall app stability.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking