Where Halo
began.

Angel has four heart conditions, a prognosis nobody expected her to outlive, and a care routine too complex for any app that existed. So I built one.

Angel as a kitten
How it began

When I first visited Angel, she was one week old. The family who had the litter couldn't afford her care. If I didn't take her, they couldn't keep her. I already knew the answer.

At two months old she came home, small and breathless. The scan that followed confirmed four simultaneous heart conditions. One of them, paradoxically, the thing keeping her alive. The narrowed valve was doing just enough to hold the balance. Treating it could have made everything worse. Surgical correction didn't exist in the UK or Europe.

The cardiologist gave us a prognosis: two weeks, two months, or two years. She's still here, almost seven years later.

Daily medication, weekly breathing checks at home, quarterly blood tests, annual cardiology scans. That's the routine that kept her here.

Jehane and Angel
Why we built Halo

Seven years in, I can recite Angel's routine in my sleep.

  • Two medications every morning
  • Three medications every evening
  • Weekly breathing checks, timed at home
  • Quarterly blood tests
  • Six-monthly vet visits to adjust her doses
  • Annual cardiology scan
  • Annual vaccinations
  • Monthly flea treatment and quarterly worming, managed around her conditions
  • A yearly hormonal implant, because sedation has never been an option
  • Weight logged constantly, within a 500g window
  • Two vets, a cardiologist, an emergency vet, a cat sitter, a cattery

For years this lived across notes apps, reminders, a group chat, and whatever I could hold in my head. Nothing existed that could bring it together. So I built Halo, not just for Angel, but for every pet parent managing something this complex.

Angel
Angel
Angel
Angel

Angel is the reason Halo exists.

Angel
Angel
Angel
Angel
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