CalLast updated: 16 October 2026
Browser-local processing
Project and client information is processed in the browser and stored locally when you save it. This edition does not send those records to a Calstro account database.
Device access
The application does not encrypt local storage or provide an online password. Keep the device and browser profile private, use a device lock and keep your browser updated. Anyone using the same profile can access its stored records.
Backups and exports
Exported estimates and workspace backups can contain client details and pricing. Keep them in an appropriate private location and check the content before sharing.
Payments
The checkout-review page does not collect card details. A future paid service needs a configured provider and secure backend with verified account activation.
Report a security concern
Email support@calstroltd.store with the affected page and a concise description. Avoid unnecessary customer information or public exploit details while the issue is investigated.
Contact
71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
support@calstroltd.store