# Koyomi vs JIKAN

The clearest difference is price: JIKAN at Free against Koyomi's $1.99. Koyomi's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence there is nothing between them.

JIKAN is free to download; Koyomi costs $1.99 up front. JIKAN sells 3 in-app purchases, starting at $4.99 per month. Koyomi asks for nothing beyond the download.

Koyomi ships an update every 5 weeks, JIKAN monthly. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Koyomi | JIKAN |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/koyomi/id926113841/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 18 MB | 66 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iWare Inc.](https://appshunter.io/developer/720005589) | [Yosuke Ogata](https://appshunter.io/developer/1574464497) |

## What reviewers say

### Koyomi

[App page](https://appshunter.io/ios/app/koyomi/id926113841)

This app displays traditional Japanese calendars, including lunar phases, zodiac signs, and auspicious days. It integrates with your existing iOS calendar and offers features like printing and PDF sharing. Perfect for those who appreciate traditional calendrical information.

**Highlights:** Standard calendar import and display, Detailed Japanese calendar view (zodiac, lunar, etc.), Moon phase and age display, Calendar printing and PDF sharing, Widget support, Monthly/yearly/list calendar views, Sunrise and sunset times

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### JIKAN

[App page](https://appshunter.io/ios/app/jikan-countdown-app/id6747701096)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【Monthly】Premium | $4.99 | per month |
| 【Annual】Premium | $29.99 | per year |
| 【Life Time】Premium | $29.99 | one-time |


## Frequently asked questions

### Is Koyomi free?

Koyomi costs $1.99, with no in-app purchases.

### Is JIKAN free?

JIKAN is free to download, with in-app purchases available.

### Do Koyomi or JIKAN have ads?

JIKAN shows ads; Koyomi does not.

### Which is updated more often, Koyomi or JIKAN?

Koyomi ships an update every 5 weeks, and JIKAN monthly. Most recently, Koyomi was updated on September 23, 2026 and JIKAN on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*