Last updated: 12 February 2026
40° GmbH
Marienthaler Str. 17
24340 Eckernförde
Germany
Phone: +49 431 8838026
Email: kontakt@40grad.de
Data Protection Officer:
Frederik Bernard
Email: kontakt@40grad.de
The 64things app was developed according to the “Privacy by Design” principle. Your privacy and the security of your data are our highest priority. All data you enter is stored exclusively locally on your device.
Important: The app does not transmit any data to external servers, cloud services or third parties. There is no communication with our or any other servers. We have no access to your data and cannot view, analyse or process it.
The app allows you to record and store the following information locally:
All of this data is stored exclusively locally on your iPhone/iPad.
Your data is processed solely for the purpose of:
Legal basis: Art. 6(1)(b) GDPR (performance of a contract/use of the app)
The app requires access to your device camera in order to:
You can revoke this permission at any time in the iOS settings.
The app requires access to your photo library in order to:
You can revoke this permission at any time in the iOS settings.
All photos you add or take are:
All data is stored using SwiftData in a local database on your device. This database is protected by the iOS operating system and is only accessible to the 64things app.
The app does not use iCloud or any other cloud synchronisation services. Your data remains exclusively on your device.
The security of your data depends on the security of your device:
You can back up all your data at any time using the export function in the app:
You can import previously exported data at any time:
Important: If you store your backup file in cloud services (iCloud, Dropbox, Google Drive, etc.), the privacy policies of the respective provider apply to this storage.
Your data is not shared with third parties.
The app contains:
Your data is stored:
When you uninstall the app, all locally stored data is automatically removed from the device.
You have the following rights regarding your data:
As all data is stored exclusively locally on your device, you have full access to all stored data directly in the app at any time.
You can edit and correct all your data in the app at any time.
You can:
You can export your data at any time via the export function in a structured, commonly used and machine-readable format (JSON) and transfer it to other devices or services.
As data processing takes place exclusively locally on your device and you have full control over your data, you can stop data processing at any time by deleting the data or uninstalling the app.
The app is intended for users aged 13 and over. Parents or guardians should supervise use by younger children. As no data is transmitted to us, we do not process any personal data of minors.
The app is distributed via the Apple App Store. For download, installation and processing of in-app purchases (if any), the privacy policies of Apple Inc. apply.
If you participate in our beta testing programme via TestFlight, basic usage data (crash reports, device information) is transmitted to Apple. This data processing is subject to Apple’s privacy policies.
We reserve the right to update this privacy policy to reflect changes in the legal framework or in the app’s features.
Current version: You can find the current version of this privacy policy at any time at:
https://www.64things.app/ (→ Legal)
You will be informed about material changes via the app.
If you have any questions about data protection, you can contact us:
Email: kontakt@40grad.de
Address: 40° GmbH, Marienthaler Str. 17, 24340 Eckernförde, Germany
Phone: +49 431 8838026
You have the right to lodge a complaint with a data protection supervisory authority about the processing of your personal data by us.
Competent supervisory authority in Schleswig-Holstein:
Unabhängiges Landeszentrum für Datenschutz Schleswig-Holstein (ULD)
Director: Dr. h.c. Marit Hansen
Holstenstraße 98
24103 Kiel
Germany
Postal address:
Postfach 71 16
24171 Kiel
Germany
Phone: +49 431 988-1200
Email: mail@datenschutzzentrum.de
Website: https://www.datenschutzzentrum.de
In short:
64things respects your privacy 100%.