# コータイム - 交代勤務者向けカレンダー — 勤務表と休暇残数をかんたん管理

> 勤務表と休暇残数をかんたん管理 (iPhone/iPad app by TOMA HONDA.)

- Source: https://appshunter.io/ios/app/id6804745947 (this page in markdown: same URL + `.md`)
- Developer: [TOMA HONDA](https://appshunter.io/developer/6801846846)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 42 MB
- Languages: American English, Japanese
- Released: 2026-09-11
- Data updated: 2026-10-10
- User reviews in markdown: https://appshunter.io/ios/app/id6804745947/reviews.md

## What is コータイム?

Koutime is a shift calendar and leave management app designed for rotating shift workers.

Key features:
• Create shift types and cycles of any practical length
• Customize 1–12 teams, shift names, working hours and colors
• Automatically repeat a cycle from a selected base date
• Use manual day-by-day shift entry when needed
• Check preceding, following and overlapping teams
• Compare all configured teams side by side in a fixed-cycle schedule
• Manage annual leave, designated leave, compensatory leave and saved leave
• See the recommended monthly leave usage before the fiscal year ends
• Add notes, custom marks and shift exceptions to each date
• Optional Rokuyo calendar display
• Hourly Apple Weather forecast when location access is granted
• Work-linked AlarmKit alarms on iOS 26 or later
• Large, easy-to-read text option
• Japanese and English UI, selectable during setup or in Settings
• 20 app color themes with a live calendar preview

Koutime Premium is a one-time purchase that removes banner ads and unlocks additional alarm sounds and themes, Home and Lock Screen widgets, and file backup and restore.

Schedule data is stored on your device. No account or sign-in is required.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 広告を削除 | $0.99 | one-time |



## Version history (last 4 releases)

### 1.0.3 — 2026-10-06

• Added a side-by-side schedule to compare all configured teams.
• Updated the app icon.
• Choose Home and Lock Screen Widget layouts and colors in the app (Premium).
• Improved Large Widget typography and removed duplicate week/day-off information.
• Updated shift-and-weather and 12/24-hour rain forecast layouts.
• Added 20 app color themes with a calendar preview.
• Open only the leave, note or custom-mark editor you need.
• Choose Japanese or English during setup or in Settings.
• See update announcements inside the app.
• Clarified calendar bulk-sync access and app-managed event additions, updates and removals.
• Completed Apple privacy declarations for settings shared locally with Widgets.

### 1.0.2 — 2026-09-24

• Fixed the supported language declaration so the App Store correctly identifies Japanese as a supported language.

### 1.0.1 — 2026-09-14

• Sync shifts, leave, notes, and custom marks to your iPhone or Google Calendar for the next year.
• Future syncs update only the changed events.
• Improved stability and display quality.

### 1.0 — 2026-09-12

No release notes.

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## More apps by TOMA HONDA

- [マイラボ - 自分研究所](https://appshunter.io/ios/app/id6801846844)

All apps by TOMA HONDA: https://appshunter.io/developer/6801846846

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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 2026-10-10.*