About this app
西暦2000年は平成何年？あの頃私は何歳だった？ 和暦や西暦、干支のちょっとした問題がこのアプリひとつで解決します。 シンプルな操作と便利な対照表。 自分の歴史機能で履歴書の作成などに重宝間違いなし。 ぜひ一度お試しください。
Latest release
What’s New
Version 1.0.5
Jul 9, 2026
軽微な不具合の修正
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
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
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 3:34 PM Free
Screenshots
