Privacy Policy
Last updated: June 2026
Who we are
Avisto is a reminder and scheduling notification service developed by Zeker zijn Software, based in Barcelona, Spain.
For privacy-related questions, contact us at hello@avisto.org.
What data we collect
We collect only what is needed to deliver your reminders:
- Your name — to personalise your notifications
- Your phone number or email address — to send reminders via your chosen channel
- Your reminder preferences — what you want to be reminded of and when
We do not collect sensitive personal data. We do not sell your data to third parties.
How we use your data
Your data is used exclusively to:
- Send the reminders you have requested through Avisto
- Improve the reliability of our notification service
- Respond to your support requests
Who we share data with
Avisto uses the following third-party services to operate:
- Twilio — to deliver WhatsApp and SMS notifications
- Meta / WhatsApp — as the messaging platform for WhatsApp delivery
These providers are GDPR compliant and have their own privacy policies.
Your rights under GDPR
As a user based in Europe, you have the right to:
- Access the personal data we hold about you
- Request correction or deletion of your data
- Withdraw consent at any time
To exercise any of these rights, email us at hello@avisto.org.
Data retention
We retain your data only for as long as you use Avisto. Upon unsubscribing or requesting deletion, your data is removed within 30 days.
Changes to this policy
We may update this policy from time to time. Any changes will be posted on this page with an updated date.