Safe travel
A new city should feel like an adventure, not a risk.
Unfamiliar streets, a different language, no one nearby who knows you. Holler brings someone you trust along, wherever you are.
Why Holler when you travel
Built for being somewhere you do not know, with people who are not there.
- 1
Local emergency numbers, handled
Holler shows the right emergency number for where you are, one tap away during an alert, so you are not searching for it in a panic.
- 2
Someone back home stays in the loop
Your trusted contact gets your live location if you raise an alarm, even a time zone away.
- 3
Works across borders
Holler is built for the EU, UK and US, so it travels with you instead of stopping at a border.
How it works abroad
- 01
Set a contact before you fly
Pick someone at home who gets your location if you need help.
- 02
Let Holler localise
It surfaces the correct local emergency number for where you are.
- 03
Trigger if something feels wrong
Siren, strobe, recording and a live-location alert, with the local emergency number one tap away.
Travel questions
Does Holler work in other countries?
Holler is built for the EU, UK and US at launch, and shows the correct local emergency number for where you are.
Will the alarm work without roaming data?
The siren, strobe and recording are local to your phone and need no data. Alerts and evidence send once you are back online.
Can my contact be in a different country?
Yes. Your trusted contact gets your live location wherever they are.
Walk home with someone in your corner.
Join the early-access list and we will let you know the moment Holler is ready in your city.