Never miss a dose.
Gentle reminders for PrEP, ART or DoxyPEP, daily or on demand.
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Preppy reminds you to take your PrEP, ART or DoxyPEP and keeps track of what matters for your health. No account, right on your device.
From your daily dose to your next check-up. Preppy brings together what is otherwise scattered across notes, calendars and your head.
Gentle reminders for PrEP, ART or DoxyPEP, daily or on demand.

Check in with yourself in seconds, as often as you like.
Pleasant
Log symptoms and find out when a test might make sense.
Log your activities with protection, place and partners.

Keep track of your vaccinations, and your partners’ too.

Plan appointments and keep results and lab reports in one place.
See how many days you took your dose and how you felt.
Confirm your dose, start an activity or note how you feel. One glance, one tap, done.
And see how the last seven days went.
A timer keeps time, and you add the details later.
Note how you feel in seconds, even right afterwards.
Your protection and next dose, without opening the app.
The watch only exchanges data with your iPhone, never with a cloud. And if Preppy is locked on your iPhone, it stays protected on your wrist too.



Preppy sums up your doses, tests and vaccinations in one PDF. It’s made on your device, and only you decide who gets it.
From your last appointment, or up to twelve months back.
Simply switch off anything your doctor shouldn’t see.
Send it by AirDrop or email, or print it for your visit.
Attach lab reports to your tests as a PDF or photo.
Over 300 short lessons on PrEP, testing, STIs, HIV and much more, with questions along the way and suggestions based on what you log.
Preppy keeps everything on your device. You only need an account if you want Backup & Sync.
Open Preppy and get started, no sign-up needed.
Your entries stay with you and work offline.
On servers in the EU, with lab reports end-to-end encrypted.
“It’s a gay man’s must have. I love the design.”
“This app is a must have. I love the integration with health.”
“Thank you for such an amazing app.”
Preppy is a free sexual health app for iPhone, iPad, Apple Watch and Mac. It reminds you to take PrEP, ART or DoxyPEP, keeps track of tests, vaccinations, symptoms and how you feel, and explains what to know about PrEP, STIs and HIV in over 300 short lessons. Your data stays on your device, with no account.
Nothing. Preppy is free on the App Store.
No. Preppy works without an account, and everything stays on your device. You only need one for Backup & Sync, with Apple or with email.
For anyone who takes PrEP, ART or DoxyPEP, or simply wants to keep an eye on their sexual health.
No. PrEP protects you from HIV when you take it correctly. Preppy helps you stay on track, but it isn’t a medical device and doesn’t replace medical advice.
On iPhone and iPad with every feature. On Apple Watch you confirm your dose, start activities and note how you feel. On the Mac your doses sit in the menu bar. There’s no Android version.
Yes. When someone sends you a lesson, it opens in your browser, with all its questions.
More answers in Help & contact.
Get Preppy and set up your health status in a minute.
Download on theApp Store