We respect that your reef setup is personal. Here's exactly what we do with the data you give us, in plain language.
When you create an account:
When you use the app:
When you visit our landing page:
To make the app work. Test readings drive the Sensei Score. Livestock data drives the species fit checker. Photos let you see your tank's progression over time. The hashed visit data tells us whether the landing page is reaching people.
Two services, both core to running the app:
We do not use:
You can verify this yourself: open browser devtools on aquasensei.app and watch the network
tab. The only external requests are to fonts.googleapis.com (Google Fonts, no
tracking) and our own domain.
Two cookies, both HttpOnly + Secure + SameSite=Lax:
No third-party cookies. No tracking pixels. No browser fingerprinting.
Every AI call (Sensei narrative, livestock advice, dose advice) is recorded in our internal
ai_usage table with your user id, the feature it was for, token counts, and
cost. This drives per-user spending caps so a compromised account can't burn unbounded AI
cost. The contents of the AI request and response are not stored — only the
metadata.
You can:
These apply regardless of where you live. We do this not because GDPR/CCPA says so, but because it's the right way to run a tool that touches your hobby.
We're a small team. If we have a security incident affecting your data, we'll tell you within 72 hours of discovering it.
AquaSensei is not intended for children under 13. We don't knowingly collect data from anyone under 13.
If we change it in a material way, we'll prompt you to re-acknowledge on your next sign-in. The previous version will stay archived in case you want to compare.
Email [email protected] for any privacy question.