# Kaiun Koyomi: Lucky Days — Japanese almanac & fortune

> Japanese almanac & fortune (iPhone/iPad app by Byoungho Kim.)

- Source: https://appshunter.io/ios/app/kaiun-koyomi-lucky-days/id6784998148 (this page in markdown: same URL + `.md`)
- Developer: [Byoungho Kim](https://appshunter.io/developer/1888452963)
- Category: Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China)
- Released: 2026-07-07
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/kaiun-koyomi-lucky-days/id6784998148/reviews.md

## What is Kaiun Koyomi?

Kaiun Koyomi is a beautiful, quiet Japanese almanac that gently tells you how to make the most of each day. It brings together traditional Japanese calendar wisdom — Rokuyo, Nine Star Ki, Ichiryu Manbai-bi (one-grain-ten-thousandfold day) and Tensha-bi (heaven's grace day).

Your birth date and plans stay entirely on your device. No account, no network, no ads.

FEATURES
- Today's almanac and luck score at a glance
- Monthly calendar with rokuyo and lucky-day markers
- Detailed almanac for each day, with explanations

KAIUN KOYOMI PRO (one-time purchase)
- Your personal daily fortune via Nine Star Ki
- Lucky Day Finder: the best days for weddings, business, new wallets and more
- Lucky-day notifications: never miss Tensha or Ichiryu Manbai days
- Compatibility via the five elements

Almanac and fortune content is for entertainment. Data stays on your device and is never sent externally.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Kaiun Koyomi Pro | $9.99 | one-time |



## Version history (last 1 release)

### 1.0.0 — 2026-07-07

No release notes.

## More apps by Byoungho Kim

- [MemoGraph: Knowledge Graph](https://appshunter.io/ios/app/memograph-knowledge-graph/id6761298897)
- [PassportLens - Passport Photo](https://appshunter.io/ios/app/passportlens-passport-photo/id6761932283)
- [Inner Journey: Self-Discovery](https://appshunter.io/ios/app/inner-journey-self-discovery/id6762345626)
- [Komorebi — Film Camera](https://appshunter.io/ios/app/komorebi-film-camera/id6762462574)
- [SimplePenNote](https://appshunter.io/ios/app/simplepennote/id6762467968)
- [Three Kingdoms Quiz: Trivia](https://appshunter.io/ios/app/three-kingdoms-quiz-trivia/id6762790807)

All apps by Byoungho Kim: https://appshunter.io/developer/1888452963

## 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 2026-07-17.*