Privacy Policy

This page is an English translation of the Japanese policy at aucreo.com/kalos-privacy. If the two ever differ, the Japanese version governs.

Kalos ("the app") is a calendar app that handles your schedule. The app does not collect your data. The developer has no server, and cannot receive or read your events. This policy explains what information the app handles, where, and why.

The app is built so that your data never gathers at the developer. What can be done on your iPhone is done on your iPhone, and only the minimum needed to make a feature work ever leaves it. Even then, it goes to the calendar you chose, to your own iCloud, or to Apple Maps — not to the developer.

Above all, the AI that reads events out of your photos only ever works in a form no one but you can see. This is the point the app gives up last. A photo of a schedule or a flyer can contain other people's names and contact details. So this feature hands nothing to outside AI services that would take the content and use it for training or analysis. Today all of it happens inside your iPhone. Neither the photo you took nor what was read from it ever reaches the developer.

What matters most

• There is no developer server. Your data never reaches the developer.
• Your events are saved to the calendar you choose — iCloud, Google, Exchange, or whatever else is set up on your iPhone.
• There are no ads. No analytics tools, and no third-party SDKs.
• You are not tracked. There is no account to sign up for.
• A few features do, by their nature, communicate outside your iPhone (described below). In none of them does the developer receive the content.
• Because nothing is collected, the developer holds no data to answer a request to access, correct, or delete.

Where your events are stored

Events you create in the app are saved to the calendar on your iPhone. You choose which calendar they go to.

• Once saved, an event is handled by your calendar account (iCloud, Google, Exchange, and so on). That provider's privacy policy applies to it.
• The app simply uses your iPhone's calendar to show, create, and edit events. Nothing passes through a developer server.
• The same events appear on other devices and apps that use the same account — Apple Watch, a Mac, the Calendar app on your iPhone. That is your account syncing (not the app sending your events to a developer server).
• Deleting the app does not delete your events. They stay in your calendar.

Departure times and travel modes are stored in your iCloud and shared between devices signed in to the same Apple Account. The developer cannot access them. If you are not signed in to iCloud, they stay on this iPhone only. A copy of the details needed to find the event again — the matching event's title and start date and time — is stored in the same place.

The following, by contrast, stays on this iPhone only and is not carried to your other devices. It is deleted when you delete the app.

• App settings (theme color, default alerts, which calendars are shown, and so on)
• Your name, used to read a shift table (only if you entered it in Settings)

Features that communicate outside your iPhone

The features below reach outside the device in order to work at all. In every one of them, the developer neither receives nor stores any data.

Place suggestions and maps
When you type in an event's location field, what you type is sent to Apple's map service, which sends back suggestions. While an event with a location is open, the same map service is queried to show a map of that place. Both happen automatically, as you type and as the map is shown. Apple's privacy policy applies.

Estimating travel time
To estimate a departure time, your current location and your destination are sent to Apple's map service, which returns how long the trip takes. This runs only when you tap the button. Location is used "While Using the App" only, and is not stored on the device.

Filling in your current location
To turn your current location into a place name, the coordinates of your current location are sent to Apple's map service. This runs only when you tap the button.

Link previews
When you put a URL in an event, the app connects to that link to show its title and image. The site you connect to receives the same information as any ordinary web visit, such as your IP address. This fetch happens automatically when the preview is shown.

Opening a maps app
Tapping a location or a map opens Apple Maps or Google Maps. When you do, the location text is handed to the maps app you chose. If you chose Google Maps, it goes to Google. Whether it opens at all is up to you.

Adding a holiday calendar
When you try to add a holiday calendar in Settings, the app queries an Apple server (calendars.icloud.com) that one time to check whether a holiday calendar is published for your region and language. Only the region and language are sent — for example, Japan and Japanese — never your events or anything else. If none is published, it falls back to the English version. This lookup happens only when you tap.

What happens only on your iPhone

• Reading from photos and PDFs: as well as a photo you took or picked, the app handles images and PDFs sent from another app's share sheet and files handed over with "Open in Kalos" / "Copy to Kalos" in the same way. Reading the text (OCR) and the AI work that turns it into events both happen entirely inside your iPhone (for a PDF, the text is read directly). The image or PDF is never sent off the device.
• Images are not saved: an image used for reading is only held in memory while it is being processed. It is not written to a database or a file on the device. It is gone when you close the screen (the temporary holding place for a file from the share sheet is the next bullet).
• Where a file from the share sheet waits: an image or PDF sent from another app is held in a handover area on the device (readable only by the app and its extensions) until the app picks it up. It is deleted the moment the app imports it, and anything left behind is cleared the next time you open the app, once it is more than a day old. It does not leave the device.
• Reading calendar files (.ics): when you open an .ics file from a mail attachment or from Files, the app reads it where it is, lists the events inside, and shows them on a confirmation screen. Only the events you confirm are saved to your calendar. The file is neither copied nor stored, and nothing leaves the device.
• Alerts: event alerts are local notifications on the device. No outside push server is used.
• Departure on the Lock Screen (Live Activities): handled entirely on the device. No updates are received from a server.
• Widgets: to show your events on the Home Screen and the Lock Screen, an extract of them is passed between the app and its widgets through shared storage on the device. Nothing leaves the device.
• Search (Spotlight): so you can find events from your iPhone's search, event titles, dates and times, locations, and calendar names are added to an index on the device. Nothing leaves the device. Events in calendars you are not showing are not indexed.

Permissions the system asks for

Each of these works only if you allow it. You can revoke any of them later in the Settings app.

• Calendar (full access): used to show events and holidays, and to create, edit, and delete events. For this app, your calendar is the place events are stored.
• Contacts (optional): used read-only, only to show birthdays from your contacts on the calendar. Only names and birthdays are read, and nothing is saved on the device (they are held in memory only while displayed). Allowing access to selected contacts only is supported.
• Location (optional, while using the app): used to estimate departure times and to fill your current location into the location field. Location is not stored and not tracked.
• Camera (optional): used to photograph a shift table or similar and import it.
• Photos: only the photos you pick are handed to the app (the app never sees your whole photo library). Sending from another app's share sheet hands over only that one item, so no photo permission is needed.
• Notifications (optional): used to show alerts for your events.

Ways you can send data out yourself

Backing up
From Settings, you can export your events in the standard calendar format (.ics). The exported file includes titles, dates and times, locations, notes, URLs, alerts, repeat rules, departure times, calendar names, and so on.

Sharing an event
Press and hold an event to share a single one in the same format.

In both cases, you choose where it goes — mail, messages, saving a file, and so on. Nothing reaches the developer. The exported file is created in temporary storage on the device for sharing, and iOS cleans it up.

Keeping and deleting data

• Events are stored in your calendar account. You can delete them from this app or from the Calendar app on your iPhone.
• Departure times and travel modes are stored in your iCloud. They remain in iCloud even if you delete the app (you can remove them from Settings › Apple Account › iCloud).
• Information that lives on this iPhone only, such as app settings, is deleted when you delete the app.
• Because the developer holds none of your data, there is nothing for the developer to delete.

Children's privacy

The app collects no data, so no personal information is passed outside, at any age.

Changes

If this policy changes, this page will be updated and the last-updated date revised. Any feature that changes how data is handled will be described here before it ships.

Contact

For questions about this policy, please get in touch.

Developer: Aucreo
hello@aucreo.com