Bleeder
The Bleeder app showing a July calendar with a bleeding and an administration logged on the selected day.
Haemophilia diary · iOS

Your factor VIII, under control.

Bleeder helps haemophilia patients log bleedings, factor administrations and deliveries, keep an eye on their stock, and understand their estimated factor level — privately, on their iPhone.

Download on theApp Store iPhone, iPad & Apple Watch · Private & offline
Your diary

Every entry, on one calendar.

Log bleedings, administrations, deliveries and notes as they happen. Tap any day to see exactly what occurred and when — your whole treatment history at a glance.

  • Bleedings
  • Administrations
  • Deliveries
  • Notes
The Bleeder diary calendar for July 2026, with a bleeding and an administration listed under the selected day.
Bleeds & bruises

Document every bleed.

Record the location, side and severity of each bleeding or bruise, add notes, and snap a photo so you keep a clear visual record of how things heal over time.

  • Photos
  • Body location
  • Light / medium / heavy
  • Left / right
Add bleeding screen with date, type (bleeding or bruise), location, side, severity, notes, a camera button and a map of where it happened.
Stock & reminders

Never run out of factor.

Watch your factor VIII stock update as deliveries come in and administrations go out. Get a reminder before you run low, so there's always time to reorder.

  • Live balance
  • Delivery log
  • Low-stock reminders
Stock screen showing 36,000 I.U. in stock with a history of administrations subtracting units and a delivery adding 40,000 I.U.
Statistics & factor level

See your estimated factor level.

A pharmacokinetic curve estimates your current factor VIII activity from your administrations, half-life and body weight. Review bleeds, doses and delivered units over 7 days, 30 days, a year, or all time.

  • Estimated level
  • Activity curve
  • Trends over time
Statistics screen showing an estimated factor level of 42.8 % with a decaying activity curve and counts of administrations, bleedings, units delivered and notes.
Everywhere it happened

Your entries on a map.

Every bleeding and administration is pinned to where it happened, clustered as you zoom out, so you can spot patterns in places and situations at a glance.

  • Location pins
  • Clustered view
  • Spot patterns
Map of central Europe with clustered pins showing where bleedings and administrations were logged.
Made to fit you

Personalise the calculation.

Fine-tune the factor VIII estimate with your own body weight, personal recovery rate, factor half-life, and baseline and peak levels — so the numbers reflect you, not an average.

  • Recovery rate
  • Half-life
  • Body weight
  • Baseline & peak
Settings screen with sliders for body weight, personal recovery rate, factor half-life, baseline and peak factor levels, plus Health sync and JSON export.
Everything in one place

Built to keep your treatment organised.

Thoughtful details throughout, fast, native, and designed to make your next appointment easier.

Export your diary

Export your entries and hand your doctor or healthcare professional a complete picture in seconds.

Photo record

Attach a photo to any bleed or bruise and watch how it changes from one entry to the next.

Low-stock reminders

Bleeder tells you before you run out of factor VIII, so you never scramble to reorder.

Estimated factor level

A live pharmacokinetic estimate of your current factor VIII activity, based on your own profile.

Entries on the map

See where every bleeding and administration took place, so location-based patterns stand out.

Private & offline

Your data is stored on your device, not on our servers. No account, no sign-up required.

Bleeder is not a medical product and is not a substitute for professional medical advice, diagnosis or treatment. Estimated factor levels are approximations only. Always consult your healthcare professional or doctor before making any health, medical or treatment decisions.

On the App Store

Take control of your treatment.

Join the haemophilia patients keeping their bleeds, doses, deliveries and factor level in one private, organised place.

Download on theApp Store