Apple AASA
Check Universal Links settings, Bundle IDs and URL matching rules.
A developer tool for iPhone and iPad
Quickly check how an App is linked to a website
Enter a domain or issuer. LinkLint checks its files, network response and matching rules, then shows you what needs attention.
Supports iOS and iPadOS 17 or later.
Address checkedPASS
GET
/.well-known/apple-app-site-associationHTTPS is set up correctlyHTTPS · 200 · application/json
App settings foundappID · components · paths
Each result includes the response and rule behind it.
Supported checks
See your common link settings in one place
Each check includes a clear result and the original response.
Android Asset Links
Check package names, certificate fingerprints and Android 15 dynamic link rules.
OIDC Discovery
Check the issuer, required fields, sign-in URLs and security settings.
OAuth Metadata
Check authorization server URLs, grant types, PKCE and security settings.
Check details
See where the problem starts
Results keep the key network details and rule matching steps.
- HTTP status, headers and redirects
- DNS resolution and actual connection address
- TLS version, cipher suite and certificate summary
- Complete response body and SHA-256
- URL rule matching steps
Local by design
Your scan history stays on your device
LinkLint needs no account and does not upload scan reports. App Store and Google Play lookups can be turned off in Settings.
Read the privacy policyAbout results
A passing check does not guarantee the App will open
The final behavior also depends on the App settings, signature, installation state and the operating system.
Read common questions