Minutes save lives.
Direct blood triage for Bangladesh.
Connect patients in critical care with verified, cooldown-eligible volunteer donors across all 64 districts in real time. Zero broker delays, zero phone spam.
Instant Triage Console
Find matched donors or pending requests
Critical Emergency Requests
Patients requiring immediate transfusion support right now across Bangladesh.
Blood Compatibility & Eligibility Engine
ABO/Rh compatibility rules and the clinical 56-day cooldown between whole blood donations.
Can be transfused to any Rh-positive patient (O+, A+, B+, AB+), matching ~85% of recipients.
56-Day Cooldown Calculator
Whole blood donation requires a minimum 56-day gap to replenish hemoglobin and iron stores safely.
Your body has fully regenerated red blood cells. You can accept emergency requests immediately.
- Age 18–60 years & Minimum weight 45kg (50kg for males)
- Hemoglobin ≥ 12.5 g/dL with normal blood pressure
64 Districts. 8 Divisions. 1 Unified Network.
From tertiary referral hospitals to upazila health complexes across Bangladesh.
How BloodOS Protects & Accelerates Transfusions
Eliminating broker delays, unverified requests, and donor harassment with 3 safeguards.
Post Emergency Need
Specify patient blood group, required bags, hospital location, and clinical urgency. Request is immediately broadcast to matching local donors.
Instant Donor Matching
Eligible volunteer donors in your target district receive push notifications. Compatibility matrix filters out incompatible donors automatically.
Privacy-Masked Contact
When a donor accepts, direct coordination begins. Phone numbers (01XXX***XXX) are protected against scrapers and harassment until accepted.
One donation can save up to 3 lives.
Join thousands of verified voluntary blood donors across Bangladesh. Receive instant alerts when a compatible patient in your district needs help.
How 1 donation saves 3 lives: Whole blood separates into Red Blood Cells (trauma/surgery), Platelets (dengue/chemotherapy), and Plasma (burns & clotting), helping three distinct patients.