NINE – a minimalist feline health journal app for cat owners and vets

Summary: NINE is a health journal app designed to log and track cats’ weight, Body Condition Score (BCS), symptoms, and vaccine records in one place. It generates professional PDF reports with precise timelines to improve communication with veterinarians and support better clinical decisions.

What it does

NINE allows users to record weight trends, BCS with reference guides, symptom details including severity and photos, and vaccination dates. It compiles this data into vet-ready PDF summaries showing weight history, symptom timelines, and vaccine records for easy sharing during vet visits.

Who it's for

Cat owners seeking accurate health tracking for earlier issue detection and clearer vet visits, multi-cat households managing multiple records, and veterinarians needing detailed patient histories from clients.

Why it matters

It addresses the problem of unreliable memory and scattered notes by providing structured, medically relevant data that helps vets understand exact symptom timelines and health changes, improving diagnosis and treatment.