your pollen, in one sentence.

Pollen apps give you the count. Sneezecast learns which plants get you and tells you each morning what today means for you.

Download on the App Store

Free · iPhone · Forecasts cover the US

the count is not the answer.

Numbers, scales and maps tell you what’s in the air. Not what it means for you.

Tuesday, 7:00 · Sheffield Neighbors, Chicago

Oak + birch high — your top triggers. Take your usual allergy medicine before you head out.

Medicine before you go

7:00 am · the verdict

one sentence, before the kettle boils.

At the time you choose, your verdict arrives on the Lock Screen and your widget, with one thing to do.

The Today screen: Oak + birch high — your top triggers. Take your usual allergy medicine before you head out.
The Home Screen widget with the same verdict and a five-day strip.

your plants

every plant, drawn by hand.

Oak, birch, grasses, ragweed and more, five days ahead from Google’s pollen forecast, each with its own drawing. Star the ones you know are yours, and the verdict follows them.

Herbarium sheet · the species Sneezecast draws · seasons by plant

8:00 pm · the check-in

two taps, then the evening is yours.

How the day felt, and any medicine you took. That’s the whole check-in, and each one teaches Sneezecast a little more.

  1. None
  2. Mild
  3. Moderate
  4. Rough
The evening check-in: How was today? None, Mild, Moderate or Rough, and the medicine you took.

the diary

a month, at a glance.

Every evening becomes a dot, sized by how the day felt, over a wash of that day’s pollen: pale green when it was low, gold when it was high.

October 2026

SMTWTFS12345678910111213141516171819202122232425262728293031

day 10 · your triggers

then it starts to notice.

After ten logged days, your phone compares your diary with the pollen and the air, and ranks what moves your symptoms. It tells you how sure it is.

Early
from 10 days
Settling
from 21
Solid
from 45

Your triggers and the fingerprint come with Sneezecast Plus.

Your triggers: a petal ring with Oak, Poor air days and Birch, ranked by effect.
A shared allergy fingerprint card: Oak · Poor air days · Birch.

Sneezecast Plus

for the whole household.

Indoor air in the verdict, a profile for each child, and a report to take to your allergist.

a season

a season, in your own words.

Spring trees, summer grasses, fall ragweed. Your diary carries them all, and the read gets steadier with every week you log.

spring treessummer grassesfall ragweed

privacy

your diary stays on your phone.

Symptoms, medicine, notes and triggers never leave it. Only a rough 28 km area is sent to fetch the forecast.

  • Kept on your iPhone

    Check-ins, medicine, notes, profiles and your trigger model are stored and worked out on the phone. They never reach us.

  • A rough area, not your address

    Your position is rounded on the phone to an area about 28 km across before the forecast is fetched. You can type a ZIP instead.

  • Yours to delete

    Settings → Delete all data removes every check-in, profile, place and setting from the phone. Deleting the app does the same.

  • Shared only when you share

    The allergist PDF and your fingerprint go only where you send them, with the iOS share sheet.

  • No ads, no tracking

    No advertising identifiers, and no tracking across other companies’ apps or websites.

  • Decision support

    Sneezecast suggests what to do from the forecast and your own diary. It doesn’t diagnose or treat anything; talk to your doctor about your allergies.

Read the privacy policy

tomorrow morning, you’ll know.

Free on iPhone. Sneezecast Plus adds your triggers, indoor air, kid profiles and the allergist report, with a 7-day free trial.

Download on the App Store

Plus is $29.99 a year or $4.99 a month. Forecasts cover the United States.