Terms of Service
Cairn · Last updated: October 2026
Using Cairn
Cairn is provided for your personal, non-commercial use. You may not resell or redistribute it.
Your data
Your data belongs to you. You can export it as CSV at any time and delete your account and synced data at any time. See the Privacy Policy for details.
Acceptable use
Do not use Cairn to break the law, to harm others, or to interfere with the service or other users.
Cairn Plus
Cairn Plus is an optional subscription billed by Apple or Google under their payment terms. Prices are shown in the store before purchase. Subscriptions renew automatically and can be cancelled at any time in your store account settings. All habit tracking features work without a subscription.
No warranty
The service is provided “as is”, without warranties of any kind. We do not guarantee uninterrupted availability.
Limitation of liability
To the maximum extent permitted by law, our liability for any claim relating to the service is limited to the amount you paid for it in the twelve months before the claim.
Changes to these terms
We may update these terms as the service evolves. Continued use after an update means you accept the revised terms.