---
title: "Koyomi — App Overview"
url: https://marlvel.ai/intel-report/lifestyle/koyomi
category: Lifestyle
developer: iWare Inc.
platforms: ios
rating: 5.0 (2 ratings)
pricing: paid
report_level: overview
generated: 2026-05-09
last_verified: "2026-05-09T12:37:39.085Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Koyomi bridges the gap between modern digital scheduling and traditional Japanese calendar customs in a single, portable interface.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Lifestyle |
| Rating | 5.0 ★ (2) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 1.7.0 |
| Developer | iWare Inc. |

<!-- SECTION: Summary -->
## What is Koyomi?

Koyomi is a specialized calendar utility that integrates traditional Japanese almanac data, such as Rokuyo, zodiac signs, and lunar phases, with standard iOS calendar events. It provides users with tools to check auspicious dates for events while offering practical features like PDF sharing, printing, and widget support. The app is notable for its comprehensive coverage of traditional calendar metrics alongside modern scheduling functionality.

<!-- SECTION: Key Features -->
## Key Features

- **Traditional Calendar Integration**: Displays detailed Japanese calendar data including Rokuyo, zodiac signs, lunar phases, and twenty-four solar terms.
- **iOS Calendar Sync**: Reads and displays standard iOS calendar events alongside traditional almanac information.
- **Export and Sharing**: Supports calendar printing, PDF generation for sharing, and integration with the 'Roluto' printing service.
- **Cross-Platform Support**: Includes widget support for the Today view and compatibility with watchOS.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals interested in tracking traditional Japanese calendar indicators, such as Rokuyo and zodiac signs, alongside their daily schedules.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/koyomi/id926113841?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/lifestyle/koyomi)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/lifestyle/koyomi).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*