# Pair Cale — Couple shift calendar sync app

> Couple shift calendar synchronization app for real-time schedule sharing. (iPhone/iPad app by Kazumasa Shimomura.)

- Source: https://appshunter.io/ios/app/pair-cale/id1376462458 (this page in markdown: same URL + `.md`)
- Developer: [Kazumasa Shimomura](https://appshunter.io/developer/1110502851)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings · 32 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 12 MB
- Languages: American English, Japanese
- Released: 2018-05-05
- Data updated: 2026-09-02
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/pair-cale/id1376462458/reviews.md

## What is Pair Cale?

【Smart Shift Management for Couples】

Pair Cale is the ultimate calendar app for couples and partners who work shift schedules. Easily share and sync your work schedules in real-time, perfect for part-time workers, shift workers, and anyone who wants to coordinate schedules effortlessly.

■ Key Features

【Auto-Sync Technology】
・Real-time synchronization with your partner via internet
・Automatic updates when either person changes their schedule
・Offline access to previously synced schedules
・No manual entry needed for shared shifts

【Fully Customizable】
・Create custom shift names with personalized colors
・Intuitive interface that anyone can use
・Clean, minimalist design for easy viewing
・Quick glance at monthly schedules

【Additional Benefits】
・Privacy-focused secure design
・Fast and lightweight app
・No complicated setup required
・Works seamlessly across devices

■ Perfect For

・Couples working shift schedules
・Partners who want to coordinate their time together
・Part-time workers, nurses, retail staff, and shift workers
・Anyone tired of juggling multiple scheduling apps

■ Why Choose Pair Cale?

Start for free with no complex setup. Simply download, connect with your partner, and start sharing schedules instantly. Make coordinating your time together effortless with Pair Cale!

Download now and spend more quality time together!

## Key features

- Real-time schedule synchronization
- Automatic updates
- Customizable shift names and colors
- Offline access to synced schedules
- Intuitive and minimalist design
- Privacy-focused secure design

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Hide advertising | $2.99 | one-time |
| Show rokuyo(六曜) | $1.99 | one-time |


## Recent user reviews (10 of 32)

All indexed reviews: https://appshunter.io/ios/app/pair-cale/id1376462458/reviews.md

### 1/5 — ペアエラー

*2026-08-26*

ペア共有するとなぜか自分のカレンダーのみエラー表示され共有できない。

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただきありがとうございます。嬉しいレビューをいただき、とても励みになります。今後も快適に使っていただけるよう、細かな改善を続けてまいります。

### 3/5 — アプデ

*2026-06-24*

アプデにより見にくくなった

### 5/5 — よかった

*2026-06-22*

やっと開けるようになりました！
とても使いやすいので、ありがたいです🙏

**Developer response:** ご不便をおかけしまして、申し訳ございません。
現在のバージョンでは修正されておりますのでアップデートをお願いいたします🙏

### 1/5 — 開けません

*2026-06-19*

アプリを押すと何も書いてないカレンダーが表示されてiPhoneのホーム画面に戻ってしまいます。
どうにかしてください

### 1/5 — 最悪

*2026-06-17*

アプリをアップデートしたら開かなくなりました
最悪

### 4/5 — 起動が遅いです

*2024-06-17*

すごい便利だけど最近カレンダーからシフトに変更するときすごい時間がかかる。

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただき、また便利とのお言葉をありがとうございます。最近、カレンダーからシフトへ変更する際に時間がかかるとのことで、ご不便をおかけし申し訳ございません。読み込み処理や画面切り替え時の動作を確認し、改善を検討いたします。発生状況が続く場合は、アプリ内のお問い合わせから詳細をお知らせください。

### 4/5 — 少し開くのに時間がかかるようになった

*2024-06-17*

見出しのとおりアプリ立ち上げ時の時間がかかるようになった。
それ以外はシンプルで使いやすい。
見やすくて重宝してます。

起動時間の改善を求む！

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただきありがとうございます。嬉しいレビューをいただき、とても励みになります。今後も快適に使っていただけるよう、細かな改善を続けてまいります。

### 1/5 — 使えない

*2022-05-18*

2018年からはじまるバグが解消されず
せっかく使いやすそうと思ったのにとても残念です

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただいたにもかかわらず、2018年から始まる表示・利用上の不具合が解消されていないとのことで、ご期待に沿えず申し訳ございません。いただいた内容を確認し、原因調査と今後の改善候補として検討いたします。差し支えなければ、発生画面や操作手順をサポートまでお知らせください。

### 3/5 — 移動

*2022-01-31*

カレンダーにシフト入力しているとその月終われば次の月に自動で移動してほしい。
あとアイコンをもう少しなんとかしてほしい

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただきありがとうございます。シフト入力中に月末まで入力したら次の月へ自動で移動してほしい点、またアイコンを改善してほしい点について、ご不便とご期待に沿えない部分があり申し訳ありません。入力の流れや見た目の改善候補として検討してまいります。もし操作上お困りの点があれば、アプリ内のお問い合わせから詳細をお知らせください。

### 2/5 — Pop-ups

*2021-12-27*

The app is good but even after paying for it, there are continual pop ups asking for a good review. If I knew this I wouldn’t have paid for it.

**Developer response:** ご返信が大変遅くなり申し訳ございません。Pair Caleをご利用いただきありがとうございます。有料でご利用いただいているにもかかわらず、レビュー依頼のポップアップが継続して表示され、不快な思いをさせてしまい申し訳ございません。表示頻度やタイミングを確認し、日常利用を妨げない形に見直してまいります。改善の参考にいたします。必要に応じてアプリ内のお問い合わせから状況をお知らせください。

## Frequently asked questions about Pair Cale

### What does Pair Cale do?

Pair Cale is a calendar application designed specifically for couples and partners who work shift schedules. It allows users to easily share and synchronize their work schedules in real-time, making it simple to coordinate time together.

### How does the schedule synchronization work?

The app uses auto-sync technology to synchronize schedules with your partner via the internet in real-time. When one person changes their schedule, it automatically updates for the other. You can also access previously synced schedules offline, and no manual entry is needed for shared shifts.

### Is Pair Cale free to use?

The app offers a free starting option with no complex setup required. While the core functionality is available for free, there are in-app purchases available, suggesting premium features or customization options may be unlocked through them.

### What kind of devices is Pair Cale compatible with?

The app is designed to work seamlessly across devices. This means you and your partner can use it on your respective smartphones or tablets, ensuring consistent access to your shared schedule regardless of the device.

### Who would benefit most from using Pair Cale?

Pair Cale is perfect for couples working shift schedules, such as nurses, retail staff, or part-time workers. It's also ideal for any partners who want to coordinate their time together and avoid the hassle of juggling multiple scheduling apps.

## Version history (last 5 releases)

### 3.5.0 — 2026-09-01

Improved app stability.

### 3.4.0 — 2026-08-11

• Fixed an issue where some text appeared in Japanese when using English.
• Improved overall stability and usability.

### 3.3.1 — 2026-07-12

- Added a new list view for the calendar.
- Daily shifts now show your name and your partner’s name for easier identification.
- Refined the calendar interface for improved readability.

### 3.3.0 — 2026-07-01

- Added the ability to switch the calendar between calendar and list views.
- Improved list navigation by automatically scrolling to the selected date.
- Added a clearer empty state for days with no events.

### 3.2.0 — 2026-06-28

- Preview how shifts will look while editing them, including the selected color.
- Choose shift colors more easily with the new color picker.
- Calendar spacing has been refined for a more compact, easier-to-read view.

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## More apps by Kazumasa Shimomura

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- [Shift management app!](https://appshunter.io/ios/app/shift-management-app/id1169500173)

All apps by Kazumasa Shimomura: https://appshunter.io/developer/1110502851

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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 2026-09-02.*