Reachability & HTTPS
We verify that the URL is public, returns a real HTML page, and finishes on a secure HTTPS connection.
Instant iOS & Android compatibility test
Free Web App to Mobile App Compatibility Checker
Check whether your web app can become an iOS or Android app by testing HTTPS, rendering, and mobile compatibility.
A useful answer, not a black box
What the compatibility checker looks for
The first three checks decide whether the current URL can move forward. The rest help you prepare a better mobile experience.
Rendering model
We look for client-side app output and flag first-page HTML that appears dependent on server rendering.
Mobile foundations
We review viewport settings that help the interface size correctly on a phone.
From URL to app setup
How it works
- Paste your production URLNo account or email is needed for the audit.
- Read the detailed resultSeparate blockers from optional improvements.
- Continue with the same URLCompatible sites can enter the normal onboarding flow.
FAQ
Web app compatibility questions
What does the web app to mobile app checker test?
It checks whether the URL returns public HTML over HTTPS, looks for server-dependent rendering, and reviews mobile viewport settings.
Do I need a PWA before turning my website into an app?
No. A manifest and service worker can improve web installability, but WebNativeApp does not require your website to be a PWA before creating an iOS or Android project.
Does a compatible result guarantee App Store approval?
No automated test can guarantee store approval. The checker validates the web foundation. Store approval also depends on app value, native features, privacy disclosures, account setup, content, and each store's review rules.
Is the compatibility checker free?
Yes. The checker is free, does not require an email address, and only reads the public page at the URL you submit.