Relief for itchy insect bites
To help relieve itching and pain, the affected area is briefly heated to around 51 °C. This chemical-free method, known as local hyperthermia, is medically proven. Simple, effective and easy to use.
Always with you on your keyring
With heat it®, you can treat itchy insect bites in seconds using your smartphone, wherever you are.
Known from
Featured in The Irish Times and proud to be named one of TIME’s Best Inventions of 2025!
For itching and pain from bites and stings by mosquitoes, horseflies, bees, wasps and more
For your smartphone
with USB-C for Android and iPhone 15 or later
with Lightning for iPhone 14 or earlier
For a summer without itching & scratching!
The magic behind heat it®
Personalised treatment via the app
tailored to each user’s sensitivity
Suitable for the whole family
from age 3 (self-use from age 12)
Your ideal companion
for everyday life, travel & sport
100-day trial
Still unsure? Try heat it® for yourself. With our extended returns period, you have 100 days to put it to the test and see how well it works for you.
Just heat it® Guarantee
High-quality, long-lasting products are our top priority. heat it® is designed to be a reliable companion wherever you go. If something does go wrong, our 2-year guarantee applies in addition to your statutory rights. Just heat it!
We are Team heat it®
Our mission since 2018
Heat is an effective way to treat insect bites, and we believed there was room for a smart solution. Driven by that idea, our four founders started developing an innovative medical device while still studying engineering. Today, we are Kamedi GmbH, a dynamic start-up from Karlsruhe, Germany, with our own in-house development and production.
Innovative technology from heat it®
High-tech in a tiny package
✔ Benefit from a sustainable product with no batteries or follow-up costs.
✔ Up to 1,000 treatments are possible with a full smartphone battery.
✔ Smartphone and battery are optimally protected thanks to a sophisticated security concept.
✔ For optimal treatment, the heat it® app offers a total of 12 different modes.
User Feedback
Already more than 1,500,000 people use heat it® and together they have performed over 75 million treatments. So you are in the best company. See what our customers have to say!
Dr. Wieland H. from Munich
A really excellent product...
for bite treatment. Excellent smartphone app and great user experience!
Sarah L. from Oberschwaben
Simply brilliant.
This little helper is with me on every walk and every hike. So small that it fits in any pocket and yet so strong that it saves me from annoying itch.
Michael from Augsburg
A must-have for everyone - Top!
Whether it's on the mountain, in the forest or on the beach - heat it is always with you and quickly at hand. Relieves the pain of itchy stings.
Thumann family
So small, effective...
and very easy to use. Our constant companion on our travels and adventures in nature.
Lisa-Cathrin from Rheinland-Pfalz
Fast to use
Small, light and efficient! Always with me in the summer when working with the dog and at the barn. Has saved me some scars.
Dr. Hoepfner from Karlsruhe
The best invention since beer!
Dr. Hoepfner is a brewmaster, experienced Business Angel & investor at heat it®.
+ 1,500,000
Happy customers in over 15 countries worldwide
4.9 from 5.0
Star rating on Google Play and in Apple App Store
+ 75 million
Treatments performed since market launch in 2020
Our insect bite healers & accessories:
