Support

Calendance turns the events already in your calendar into music. You never enter anything for the music’s sake. No account is required and no data is collected. For questions, requests, or bug reports, please reach out by email.

FAQ

Are my calendar events sent anywhere?

No. Reading your events and making the music both happen on your device. Nothing is sent to a server.

Does the app change or delete my events?

No. The app only reads your calendar. It never adds, edits, or deletes events.

Can I use it without calendar access?

Yes. You can listen with demo schedules of made-up people, and allow access later in iPhone Settings.

What does the other person receive when I share nearby?

The shape of your events (dates, times, lengths, calendar colours and so on), the sound settings, how you were playing the month (loops and so on), and the display name you chose. Event titles, locations, notes, attendee names, and calendar names are never sent. It goes directly to the iPhone next to yours, not through the developer’s servers.

Calendance — Privacy Policy

Last updated: November 6, 2026

This is the privacy policy for “Calendance” (the “App”). The App is designed to respect your privacy to the greatest extent possible.

1. Information we collect

The App collects no personal information whatsoever. No account is required. We do not collect your name, email, identifiers, usage data, or location.

2. No external transmission

The App does not send your calendar events, the music it makes, or your actions to any external server. Reading events and generating sound happen entirely on your device. The App uses no analytics or advertising networks.

If you use a beta version through TestFlight, feedback you choose to send and crash information may reach the developer through Apple’s TestFlight service, handled under Apple’s privacy policy.

3. Device permissions

Calendar access is used only to turn your events into music. The App reads event times, lengths, recurrence, all-day flags, whether others attend, whether you declined an event (declined events are not played), calendar colours and names, and event titles (used only on your device to make the sound and to show them on screen; see section 5), and never adds, edits, or deletes events. Your events never leave your device, except that their shape goes to the person you share with (see section 4).

Local network access is used only to find people nearby who have Calendance open and to share a preset with them. The App looks for others only while the share screen is open, and sends only when you do it. The preset travels over an encrypted, direct connection to the other device and never passes through the developer’s servers.

The App does not read the clipboard.

The App does not use the camera, microphone, location, or photo library.

4. What sharing sends

When you share with someone nearby through SHARE MY DAYS, and only when you do it, the following goes directly to their device, never through the developer’s servers.

• Event dates, times, lengths, recurrence groups, whether an event is all-day, and whether others are attending (the events of the year the sender was looking at, January to December)
• Calendar colours (not calendar names)
• A sound seed for each event (made from the event’s title and re-randomised on every send; the title cannot be recovered from it. An all-day event’s short tune, including its length, is also made from this seed and says nothing about the title)
• The sound settings (key, tempo, and so on), the week start, and how the sender was playing the month (loops, the page playing, and so on)
• The display name the sender chose, and when it was sent
• Screen size in centimetres, so the figure crosses to the other screen at the same speed

Event titles, locations, notes, URLs, attendee names, and calendar names are never sent. Before sending, the App checks that none of this text is included.

5. Data stored on your device

How you played each month, the years in your library (the ones you received from people nearby, which include the shape of the sender’s events), your display name, and which calendars you chose to leave out are stored only on your device. Event titles are used in memory while making sound and are never saved. The developer never obtains or stores any of this. Deleting the App removes it from your device. If you use iPhone backups, it is included in them.

For Support (in-app purchases), Apple keeps the record of your purchases; the App only reads it on your device, and the developer never receives it. How you chose your dancers (which dancer, the shirt colour, how many dance in your lineup and who) is stored only on this iPhone. Deleting the App removes those choices, but your purchase record stays with Apple: “restore purchases” brings your seats back, and you choose your dancers again.

6. Children’s privacy

Calendance collects no personal data, so its privacy practices are the same for every user. The app's age rating follows its App Store listing. When choosing a display name for sharing, we recommend a nickname rather than a real name.

7. Changes

This policy may be updated as needed; significant changes will be announced in an app update or on this page.

8. Contact

ayumu.haitani@gmail.com