# Koyomi \| Japanese year checker — Japanese calendar reference

> Japanese calendar reference (iPhone/iPad app by NAOYA ONO.)

- Source: https://appshunter.io/ios/app/koyomi-japanese-year-checker/id1620479221 (this page in markdown: same URL + `.md`)
- Developer: [NAOYA ONO](https://appshunter.io/developer/1530328146)
- Category: Reference, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 42 MB
- Languages: English, Japanese
- Released: 2022-04-22
- Data updated: 2026-06-29
- User reviews in markdown: https://appshunter.io/ios/app/koyomi-japanese-year-checker/id1620479221/reviews.md

## What is Koyomi | Japanese year checker?

This is a calendar quick reference app for the Western calendar, Japanese calendar, Age, and Chinese zodiac.
It is also compatible with the “Reiwa” period and you can check it as soon as you start the app.

“What Japanese year in 2023?”

“What is next year's zodiac sign?”

What year is the first year of the Reiwa period?”

This app will solve these questions in a flash.

● Useful features
1. Bookmark
You can bookmark the years you frequently check as favorites.
If you register your family, boyfriend/girlfriend's information, you can immediately open the app to check it, which is useful when filling out documents, job hunting, etc.

2. Display settings
By default, the year is displayed from the first year of Meiji (1868), but if you do not want to display old information such as Meiji or Taisho, you can choose to hide it.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $2.99 | one-time |



## Version history (last 4 releases)

### 1.3.0 — 2023-06-29

Performance improvements.

### 1.2.0 — 2022-11-11

Performance improvements.

### 1.1.0 — 2022-05-14

Added a paid plan to remove ads.

### 1.0 — 2022-04-22

No release notes.

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## More apps by NAOYA ONO

- [Tagalog Flashcards & Quizzes](https://appshunter.io/ios/app/tagalog-flashcards-and-quizzes/id1530328054)
- [JLPT N5 Flashcards & Quizzes](https://appshunter.io/ios/app/jlpt-n5-flashcards-and-quizzes/id1534686815)
- [JLPT N4 Flashcards & Quizzes](https://appshunter.io/ios/app/jlpt-n4-flashcards-and-quizzes/id1536370326)
- [Hiragana & Katakana Master](https://appshunter.io/ios/app/hiragana-and-katakana-master/id1537789446)
- [日本語文型ノート](https://appshunter.io/ios/app/id1539598951)
- [Glist - Grocery list](https://appshunter.io/ios/app/glist-grocery-list/id1545091002)

All apps by NAOYA ONO: https://appshunter.io/developer/1530328146

## Related topics

[koyomi](https://appshunter.io/ios/topics/koyomi)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-29.*