# DayBay: Shared Calendar

> Shared calendar and to-do list organizer for families and couples. (iPhone/iPad app by Ryo Ijuin.)

- Source: https://appshunter.io/ios/app/daybay-shared-calendar/id6814046804 (this page in markdown: same URL + `.md`)
- Developer: [Ryo Ijuin](https://appshunter.io/developer/6806672130)
- Category: Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 18.0 · 48 MB
- Languages: American English, Japanese, European Spanish
- Released: 2026-10-02
- Data updated: 2026-10-26
- Monetization: free

## What is DayBay?

DayBay is a shared calendar for couples, families, and the people closest to you.

See everyone's plans in a clear monthly calendar, leave a note for a specific day, and keep everyday tasks such as shopping, chores, and things to bring in a shared to-do list. Personal and shared calendars are kept separate, so private information stays private.

Key features:

- Personal and shared calendars
- Notes for each day
- Shared to-dos and completion history
- Repeating events
- Event reminders and iPhone alarms
- Add multiple events at once
- Import from Google Calendar, Outlook, and device calendars
- Export events as ICS, and to-dos and notes as CSV
- Shared update history and emoji reactions
- Home Screen widgets

External calendar events are copied only when you select them. DayBay does not continuously sync with or write changes back to external calendars.

## Key features

- Personal and shared calendars
- Shared to-do lists
- Daily notes
- Repeating events
- Event reminders
- Import/export calendars
- Home Screen widgets

## Is DayBay safe?

Not enough ratings yet to assess DayBay.

## Is DayBay legit?

DayBay: Shared Calendar appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for DayBay is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about DayBay

### What is DayBay?

DayBay is a shared calendar application designed for couples and families. It helps users organize personal and shared events, create collaborative to-do lists, and leave notes for specific days.

### Is DayBay free to use?

Yes, DayBay is available for free. The app does not require any payment to download or use its core features.

### Does DayBay have ads?

No, DayBay does not contain advertisements. Users can enjoy an ad-free experience while managing their schedules and tasks.

### What devices does DayBay support?

DayBay is compatible with Apple devices, specifically iPhones and iPads. It is designed to work seamlessly on these platforms.

### Can I import events from other calendars into DayBay?

Yes, DayBay allows you to import events from Google Calendar, Outlook, and your device's native calendars. This makes it easy to consolidate your schedule.

### How often is DayBay updated?

The latest version of DayBay is 1.2.3, and it was last updated on October 19, 2026. Updates typically include new features and performance improvements.

### What is the age rating for DayBay?

DayBay has an age rating of 12+. This indicates the content is generally suitable for users aged 12 and older.

### Can I export my data from DayBay?

Yes, you can export your events as ICS files and your to-dos and notes as CSV files. This allows you to back up or transfer your data.

## Version history (last 5 releases)

### 1.2.4 — 2026-10-25

• View each day's events in a clearer timeline.
• Pinch to adjust calendar spacing and see more events, start times, and longer titles.
• Switch between daily notes more easily, with improved positioning when the keyboard opens.
• Fixed dates and weekdays in event creation and editing to follow your selected app language.

### 1.2.3 — 2026-10-19

Expanded holiday calendars to 58 regions and improved region, week-start, and display time-zone settings. Daily events can now be filtered by calendar, and switching between light and dark appearance takes effect immediately. We also made notification cards more compact and improved save, cancel, and delete controls. This update includes a refreshed sign-in screen and improvements to event color saving, bulk-event deletion, note entry, and shared-calendar invitation security.

### 1.2.2 — 2026-10-11

Koyoria is now DayBay. We have updated the app name, icon and App Store screenshots. Your existing plans, tasks and notes remain available.

### 1.2.1 — 2026-10-09

Improved calendar, ToDo, event editing, alarm and settings views and interactions. Fixed stored-data compatibility while preserving drafts and pending changes. Includes support for the open landscape display on iPhone Duo.

### 1.2 — 2026-10-08

Added support for the open landscape display on iPhone Duo. Use ToDo, Search, Add Event and other tools in a side panel while keeping your calendar in view. Closed and portrait displays keep the familiar interface.

## Apps similar to DayBay

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Quilt: Family Calendar](https://appshunter.io/ios/app/quilt-family-calendar/id6808614618) | 5.0 (3) | Free | Productivity |
| [Notes & Tasks Manager](https://appshunter.io/ios/app/notes-and-tasks-manager/id6771731827) | — | Free | Productivity |
| [Table Zen](https://appshunter.io/ios/app/table-zen/id6752229781) | — | Free | Productivity |
| [Shared To-dos & Calendar Calta](https://appshunter.io/ios/app/shared-to-dos-and-calendar-calta/id6763480319) | — | Free | Productivity |
| [Noteara: Notes, AI, Whiteboard](https://appshunter.io/ios/app/noteara-notes-ai-whiteboard/id6762649056) | 4.3 (3) | Free | Productivity |
| [Simple Widget Note](https://appshunter.io/ios/app/simple-widget-note/id6532619660) | — | Free | Productivity |

## More apps by Ryo Ijuin

- [Starrypad](https://appshunter.io/ios/app/starrypad/id6806672128)
- [Drum-girl](https://appshunter.io/ios/app/drum-girl/id6817731668)

All apps by Ryo Ijuin: https://appshunter.io/developer/6806672130

## Related topics

[shared calendar chores](https://appshunter.io/ios/topics/shared-calendar-chores)

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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 2026-10-26.*