Dropli

Give blood when it counts, close to home

Tell Dropli your blood group and where you live. You'll hear from us only when a patient near you needs a group you can give to, and only once your body is ready to give again.

Close-up of a donor's arm with a needle and tape, squeezing a grip ball while giving blood
A donor gives a pint at a blood drive. Photo: LuAnn Hunt / Unsplash

How an alert reaches you

Three checks before your phone buzzes

Dropli doesn't blast every donor in the city. A request has to pass all three checks below before it reaches you, and then the choice is yours.

  • Your group can help

    The patient's blood group has to be one you can give to. An O− donor hears about more requests than an AB+ donor, and that's on purpose.

  • You're able to give

    If you gave blood in the last 90 days, you won't get alerts. Your passport shows the day that changes.

  • You're close to the hospital

    Donors within 3 km hear first. If the bags aren't covered, the request moves out to 7 km, then 15 km.

Answering is up to you. Open the alert, read the request, chat with the family if you have questions, and say yes only if you can actually go.

Your first donation through Dropli

From the alert to the certificate, in four screens

  1. 01

    Say you can give

    Answer in the app, or from a shared link in any browser. A code sent to your email confirms it's you.

    Public request page with an 'I can give blood' form
  2. 02

    Talk to the family

    Ask which ward, what time, who to meet. If anyone asks you for money, both of you see a warning.

    Chat between donor and family with a scam warning
  3. 03

    Show your code after you give

    Tap "Show code". The family types the six digits or scans the QR. Not before you've donated.

    Six-digit donation code and QR shown on the donor's phone
  4. 04

    Keep the certificate

    A verified donation gets a certificate with its own number and a QR anyone can check. Print it or save it as a PDF.

    Dropli donation certificate with QR verification
Donor passport with donor ID, total donations and next eligible date

Donor passport

Every bag you give, on one page

When can I give again?

Ninety days between donations

After a donation, Dropli stops sending you alerts for 90 days. Pick the date you last gave blood and we'll work out when you're back on the list.

Pick the date of your last donation.

If a doctor has told you to wait longer, wait longer.

The passport counts down for you

No alerts until the ring is full. Then you're back in the pool.

23days left
Next: 1 February 2027 (example)

Verified donations

Six digits that prove you showed up

Anyone can say they gave blood. A verified donation is one the patient's family confirmed with your code, so it means something on your passport and on your certificate.

  • Open the donation in the app after you've given and tap "Show code".
  • The family types the six digits on their phone, or scans your QR.
  • The donation turns "verified" on your passport and your certificate is ready.
  • Don't share the code before you donate. That's the whole point of it.

What the family sees

They enter your code. The stamp lands on both phones.

708157
Verified donation

Quick reference

Who can your blood help?

Switch to "Donor gives" and pick your group. This is for red cell transfusions; the hospital always cross-matches before giving blood.

A patient who is B+ can take red cells from O−, O+, B−, B+.

Rare blood network

If you're Rh-negative, the whole country is your 3 km

O−, A−, B− and AB− donors are hard to find in any one neighbourhood. Switch on the rare blood network and you'll also hear about urgent requests for your group from much further away, in the second round of alerts.

  • One switch on your passport. Turn it off whenever you like.
  • Only urgent requests for your group, and only after nearby donors have had their turn.
  • Joining earns the Rare blood hero badge.
Rare blood network switch on the donor passport, showing how many O− donors are in the network

Circles

For a patient who needs blood on a schedule

Children with thalassemia often need a transfusion every few weeks for years. A circle is a standing group of donors for one patient. You take turns, and whoever is next gets a reminder before the date.

A rota that moves by itself

Illustrative example. When one date is done, the next donor moves to the top.

Ayaan, 7 · Thalassemia · B+in 5 daysEvery 21 days, 1 bag · Bangladesh Thalassemia Foundation Hospital
29 NovSadia Islam · B−Scheduled
20 DecRafi Chowdhury · O+Scheduled

Badges

Eight badges, none of them for sale

They sit on your passport and fill in as you give. Most count donations; two are for showing up when it matters.

  • First drop

    Your first donation

  • Regular donor

    3 donations

  • Dedicated donor

    5 donations

  • Blood hero

    10 donations

  • Legend

    25 donations

  • Verified donor

    At least one donation confirmed with a code

  • Rare blood hero

    Join the rare blood network as an Rh-negative donor

  • Emergency responder

    Answer an urgent request within 30 minutes of the alert

You're in good company

People have done this for strangers for a long time

Soldiers on a base in Minnesota, a donor at a NASA research centre in Ohio with eight gallons to his name, donors resting with a cup of tea in Montreal. The cot hasn't changed much. The way people hear about it has.

Soldiers holding filled blood bottles beside a Red Cross nurse
Soldiers give blood at Fort Snelling, US Army Signal Corps, 1944
A soldier lying on a cot giving blood while medics watch
The 500th volunteer donor, 36th General Hospital, US Army Signal Corps, 1945
A nurse bandages a donor's arm while another donor drinks tea
Resting after giving blood, Red Cross clinic, Montreal, 1941
A man in a shirt and tie has his blood pressure taken by a nurse
An eight-gallon blood donor, NASA Lewis Research Center, 1974

Donor questions

Before you sign up

All questions

Will I get alerts all day?

No. You only hear about requests for a group you can give to, near you, and only when 90 days have passed since your last donation. Ring by ring, the alert stops as soon as the bags are covered.

Do I get paid for donating?

No. Blood is given, not sold. Nobody on Dropli pays donors, and if someone asks you or the family for money in chat, both of you see a warning.

Can I answer without installing the app?

Yes, if someone shares a request link with you. Open it in any browser, fill in your name and group, and confirm with the code we email you. You'll want the app to get alerts after that.

When should I show my code?

After you've donated. The family enters it to confirm the donation happened. If you show it earlier, the donation could be marked verified before it's real.

What is the rare blood network?

An opt-in list of Rh-negative donors (O−, A−, B−, AB−). If you join, you'll also hear about urgent requests for your group from further away, after nearby donors have been asked first.

Register as a donor

Two minutes now, one bag later

Install Dropli and add your blood group and area. It takes about two minutes. The next alert you get will be for someone close by.