Compare · Deprecated deep linking service
sniffurlvsFirebase Dynamic Links
Your Firebase Dynamic Links replacement, only better
Google shut down Firebase Dynamic Links on August 25, 2025. Every FDL link now returns HTTP 404, so any app still shipping the FDL SDK has broken deep links and broken deferred install attribution. sniffurl is not just a replacement, it is an upgrade: smart routing that detects OS and install state, deferred deep linking that survives the app-store trip, custom branded domains, QR codes, web-to-app banners, and per-link attribution, none of which FDL offered in one place.
Bottom line
Firebase Dynamic Links no longer works at all. sniffurl is the actively supported upgrade with routing, attribution, and branding FDL never had. There is no reason to stay.
Competitor details reflect public information and may change. sniffurl includes 5,000 free attributes a month.
Why teams pick sniffurl
- You need a supported, actively maintained deep-linking service now that FDL is gone.
- You want deferred deep linking and attribution that FDL never provided.
- You want branded domains, QR codes, and web-to-app banners instead of generic page.link URLs.
Where Firebase Dynamic Links still makes sense
- There is no ongoing advantage. Firebase Dynamic Links has been shut down and no longer functions.
Migrating to sniffurl
Migrating off Firebase Dynamic Links? Point your domain at sniffurl, recreate your link rules, and keep deferred routing working on first app launch. If you used a custom domain with FDL, set up redirects from that domain to your new sniffurl URLs. We can help map your existing FDL parameters.
Frequently asked questions
When did Firebase Dynamic Links shut down?
Google shut down Firebase Dynamic Links on August 25, 2025. As of that date every FDL link returns HTTP 404, so apps relying on them need a replacement now.
My app still ships the FDL SDK. What breaks?
The FDL SDK can no longer resolve any link, so your deep links and deferred install attribution are already broken. Remove the FDL SDK and wire in sniffurl.
How hard is it to migrate to sniffurl?
Most teams point a custom domain at sniffurl and recreate their routing rules in an afternoon. Deferred deep linking and attribution work out of the box.
Compare sniffurl with more
Try sniffurl free
Smart routing, deferred deep links, branded domains, and attribution, live in an afternoon. First 5,000 attributes a month are free.
Get started