# 1CalendarS

> A cross-device calendar app for efficient schedule management and reminders. (iPhone/iPad app by KAIROS Company Limited.)

- Source: https://appshunter.io/ios/app/1calendars/id1538966367 (this page in markdown: same URL + `.md`)
- Developer: [KAIROS Company Limited](https://appshunter.io/developer/1495144014)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 193 MB
- Languages: Chinese (Simplified, China)
- Released: 2020-11-22
- Data updated: 2026-06-02
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/1calendars/id1538966367/reviews.md

## What is 1CalendarS?

1CalendarS帮您省时高效的安排您的日程，充分利用每一天。日、周、月、列表视图，随意切换，根据不同的场景，更便捷的查看您的各项日程。

1、专业化日历管理，您可以查看您每一天，每周，每个月的日历信息，进行编辑修改。
2、您可以在多台苹果设备之间同步您的日历信息，当您在一台设备上面修改日历信息后，可以同步到多台苹果设备上。
3、您可以自定义您的日历信息，在您需要的日期或者时间段提示您。

1CalendarS可以免费下载使用，同时我们提供了高级账户以升级用户体验，您可以在App中了解高级功能。

您可以选择每月支付￥30.00元或每年支付￥168.00元订阅1CalendarS高级会员，一旦您确认订阅高级会员，您的iTunes账户将被收取相应的费用，此前通过其他平台兑换的高级会员的未使用部分将不再生效。订阅将自动续费，除非您在当前订阅结束前24小时以上取消自动续订。订阅成功后，您可在iTunes Store中管理订阅。

隐私声明：https://www.kairusi.com/1CalendarS-privacy.html
会员服务协议：https://www.kairusi.com/1CalendarS-vip.html
自动续费协议：https://www.kairusi.com/1CalendarS-autopay.html

## Key features

- Day, week, month, and list views
- Cross-device calendar synchronization
- Customizable reminders
- Edit and modify calendar entries
- Free to download and use
- Premium subscription for advanced features

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1CalendarS年费高级会员 | $19.99 | per year |
| 1CalendarS月费高级会员 | $1.99 | per month |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/1calendars/id1538966367/reviews.md

### 5/5 — 时间管理好帮手

*2021-02-07, version 1.1.0*

非常喜欢这款软件 为时间管理助力 我已购买终身会员 用了近两年 每天孩子游泳 上网课 记录下来 非常清晰 清空大脑 还能把网课信息 记录下 非常方便适用 感谢🙏开发软件者

### 5/5 — 非常方便的一款软件

*2020-12-31*

非常喜欢

### 5/5 — 好用👍

*2020-11-25, version 1.0.2*

非常好用的日历，集几种功能为一体，值得你来体验一下的

### 5/5 — Very easy to use

*2020-11-24*

It’s very straightforward to create customized event categories, search for an event.  Having events marked in different colors, configured with multiple setting options make calendar very easy to use.

## Frequently asked questions about 1CalendarS

### What is 1CalendarS?

1CalendarS is a utility app designed to help users efficiently manage their schedules with various calendar views and customizable reminders. It supports synchronization across multiple Apple devices.

### Does 1CalendarS have ads?

No, 1CalendarS does not contain advertisements. The app is free to download and use, with an optional premium subscription for enhanced features.

### What are the subscription options for 1CalendarS?

1CalendarS offers a premium subscription with monthly and annual plans. The monthly subscription costs $1.99, and the annual subscription is $19.99. Subscriptions auto-renew unless canceled at least 24 hours before the current period ends.

### On which Apple devices can I use 1CalendarS?

1CalendarS is supported on a wide range of Apple devices, including the Apple Watch, iPhone, iPad, and iPod.

### How often is 1CalendarS updated?

The latest version of 1CalendarS is 1.8.2, which was last updated on November 17, 2025. Updates are released to improve functionality and add new features.

### What is the user rating for 1CalendarS?

1CalendarS has a high user rating of 5.0 stars based on 2 ratings, indicating strong user satisfaction with the app's performance and features.

### Can I sync my calendar events with 1CalendarS?

Yes, 1CalendarS allows you to sync your calendar information across multiple Apple devices. Any changes made on one device will be reflected on others.

### What is the age rating for 1CalendarS?

1CalendarS has an age rating of 4+, making it suitable for users of all ages. The app's content and functionality are appropriate for young children and adults alike.

## Version history (last 5 releases)

### 1.8.2 — 2025-11-17

·优化相册选择

### 1.8.1 — 2025-10-14

·优化图片展示

### 1.8.0 — 2025-10-03

·优化地址搜索和地图展示

### 1.7.9 — 2024-07-19

·界面细节优化

### 1.7.8 — 2024-07-08

·界面细节优化

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## More apps by KAIROS Company Limited

- [1TodoS](https://appshunter.io/ios/app/1todos/id1519927147)
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All apps by KAIROS Company Limited: https://appshunter.io/developer/1495144014

## Related topics

[1calendars](https://appshunter.io/ios/topics/1calendars) · [kairos company limited](https://appshunter.io/ios/topics/kairos-company-limited)

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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 2026-06-02.*