.app domain search
HTTPS-only by design
.app is a generic extension operated by Google Registry. Every .app domain is on the HSTS preload list, so browsers require HTTPS — a certificate is mandatory, not optional.
- Live registry data
- 300+ extensions checked
- Free, no sign-up
Try
We check .app against the registry and show every other extension for the same name.
Good .app names get snapped up fast.
Registry
Google Registry
Security
HTTPS enforced via HSTS preload
Restrictions
None
Availability
Good for two-word names
Who .app suits
- Mobile and web apps
- Product landing pages
- Companion sites for software
How to register .app
- 1Search your name to confirm the .app is free.
- 2Compare the same name across related extensions.
- 3Register at the checkout link — your search carries over.
Is your .app still free?
One search checks .app plus hundreds of alternatives, live.
Live registry data across 300+ extensions. Free, no signup.
.app questions, answered
Do I need an SSL certificate for a .app domain?
Yes. Browsers refuse plain HTTP on .app, so the site must be served over HTTPS.
Is .app only for mobile apps?
No. Any software product, web app or tool can use it.