Privacy Policy
Last updated: January 4, 2025
Your data stays on your device. We don't sell it, share it, or use it for ads.
What Deriva Collects
Deriva accesses the following data to generate your reviews:
- Calendar events — Event titles and durations (not attendees or locations)
- Health data — Sleep duration and workout count from Apple Health (if you grant
permission)
- Your inputs — Priorities, goals, weekly notes, and other text you enter
How Your Data Is Used
- Review generation — Your time data is sent to our secure server, which uses OpenAI to
generate your personalized review
- Local storage — All your data (priorities, reviews, notes) is stored locally on your
device
- No analytics — We don't track how you use the app
- No advertising — We don't use your data for ads
Third-Party Services
- OpenAI — We use OpenAI's API to generate your review narratives. Data sent to OpenAI is
processed according to their privacy policy. We
do not send your name, email, or other identifying information.
- Apple — Calendar and HealthKit data are accessed through Apple's
frameworks with your explicit permission.
Data Security
- Your data is stored locally on your device using Apple's Core Data framework
- Data sent to our server for review generation is transmitted over HTTPS
- We do not store your time data on our servers after generating your review
Your Rights
- Delete your data — Uninstall the app to remove all locally stored data
- Revoke permissions — You can revoke calendar or health access at any time
in iOS Settings
Children's Privacy
Deriva is not intended for children under 13. We do not knowingly collect data from children.
Changes to This Policy
We may update this policy. Significant changes will be communicated through the app.