However you built it, we keep watch.

Pick your builder: what breaks after launch, how Keelnest spots each publish, and how the fix gets back into your app.

Already live?

Give your app a health check.

Data exposure, money flow and reliability basics — in a few seconds, without an account. Then keep it watched, free for your first app.

Passive checks only, on sites you own or are authorised to test.

Or watch your first app free