What Actually Happened to Firebase Dynamic Links

For years, Firebase Dynamic Links (FDL) was the default deep linking solution for mobile developers. Free, reliable, and tightly integrated with Google's ecosystem, it handled deferred deep linking, cross-platform routing, and install attribution with minimal setup. Then, in 2023, Google announced it would be deprecated.

"On August 25th, 2025, Firebase Dynamic Links will shut down. All links served by Firebase Dynamic Links (both hosted on custom domains and page.link subdomains) will stop working and you will no longer be able to create new links."

— Firebase Dynamic Links Deprecation FAQ, Google

The shutdown followed a clear timeline that left many teams scrambling:

• May 24, 2024 Firebase console went read-only for Dynamic Links. No new links could be created through the console, though existing links and the API continued to function.
• Aug 25, 2025 Complete shutdown. All API and link services ceased. Requests to .page.link or app.goo.gl URLs began returning HTTP 404 errors. Any app still using FDL immediately showed broken flows to users.
• Now (2026) FDL is fully offline. Historical analytics data is no longer retrievable if not exported before the deadline. Apps that haven't migrated are still showing broken user journeys.

"The consequences of inaction are severe and will directly impact your bottom line. Every FDL link in your emails, social media profiles, and marketing materials will become a dead end, leading users to a frustrating 404 error page."

— Tapp — Firebase Dynamic Links Deprecation Guide

Why FDL Was Hard to Replace

The developer community quickly discovered that replacing Firebase Dynamic Links wasn't as simple as swapping a URL. FDL offered a combination of features that, taken together, are surprisingly rare:

• Deferred deep linking — routing users to specific in-app content even after a fresh app install
• Cross-platform smart routing — a single URL that detects iOS, Android, or desktop and redirects accordingly
• App store fallback — if the app isn't installed, redirect to the correct store
• Link shortening — clean branded URLs instead of intent strings
• Basic analytics — click tracking, install attribution, and campaign performance
• Zero cost — the entire feature set was free

"Native App Links and Universal Links have one critical, often deal-breaking flaw: they do not support deferred deep linking. If a user doesn't have your app installed, the link simply takes them to your website in their browser, and the user journey ends."

— Tapp — The Ultimate Guide To Firebase Dynamic Links Deprecation

This is the crux of the problem. Google's own native alternatives — Universal Links for iOS and Android App Links — handle standard deep linking but cannot defer context across an app install. That one missing feature breaks the most important use case for most app growth teams.

Deferred Deep Linking: The Feature Everyone Needs

Understanding why deferred deep linking matters is essential before choosing a replacement. Here is what happens without it versus with it:

Without Deferred Deep Linking

User clicks an ad for a specific product → app not installed → redirected to App Store → installs app → opens to generic home screen. The original intent is lost. The user has to hunt for what they were originally shown — if they bother at all.

With Deferred Deep Linking

User clicks an ad for a specific product → app not installed → redirected to App Store → installs app → opens directly to that product page. Intent is preserved across the install gap.

How Deferred Deep Linking Works Technically

Since app store installs strip all URL parameters, platforms use a technique called device fingerprinting to bridge the gap. When a user clicks a deep link, their device signals (IP hash, User-Agent, screen resolution, locale, timezone) are stored server-side. When the app opens for the first time, it sends the same signals, and the platform matches the session to the original click.

// Analyzing incoming request...
const request = await HopLinks.analyze(req);

if (request.os === 'iOS') {
  // Store fingerprint, redirect to App Store
  return redirect('myapp://content/123');
}
else if (request.os === 'Android') {
  // Detected Android device
  return redirect('intent://content/123#Intent;...');
}

// Status: 200 OK   Avg. Latency: 12ms

The Landscape: Every Major Alternative Compared

Google's own deprecation FAQ recommends the following third-party providers: Adjust, Airbridge, AppsFlyer, Bitly, Branch, Kochava, and Singular. But the developer community has also rallied around newer, lighter platforms. Here is a comprehensive comparison:

"For most teams migrating from Firebase Dynamic Links, the need is clear: you had deep linking, and you need deep linking. You didn't have attribution, and you probably don't need it now."

— ChottuLink — Firebase Dynamic Links Shut Down: 5 Best Alternatives for 2026

Why HopLinks Stands Out in 2026

Most FDL alternatives fall into one of two traps: they're either too simple (native Universal Links, which don't support deferred deep linking at all) or too complex and expensive (Branch, AppsFlyer, Kochava — full-stack MMPs built for enterprise attribution teams).

HopLinks occupies the gap in between. It is a purpose-built Firebase Dynamic Links replacement — not a general URL shortener, not an MMP — that covers every FDL use case without the overhead.

Zero-SDK Architecture

HopLinks routes entirely through native OS protocols: Apple App Site Association (AASA) for iOS and Android Digital Asset Links for Android. No SDK is installed in your app. This means:

• Zero impact on app startup time (no SDK initialization)
• No increase to app binary size (~5 MB saved vs. Branch SDK)
• No background telemetry or third-party data collection in your app
• Compliant with Apple ATT, Google Play data safety, GDPR, and India's DPDP Act by design

Deferred Deep Linking via Device Fingerprinting

Despite having no in-app SDK, HopLinks still delivers full deferred deep linking. When a user clicks a HopLink, their device context is fingerprinted server-side. On first app open post-install, HopLinks matches the session and routes the user to the exact intended destination — no code required in the app.

Intent-Based Smart Links (India-First)

Beyond standard deep linking, HopLinks offers specialized intent link types particularly valuable for the Indian market:

• UPI Payment Links — one link routes to GPay, PhonePe, or Paytm based on installed apps
• WhatsApp Chat Links — pre-filled message intent, no contact saving required
• YouTube App Links — bypass the browser, open in the native player
• Social Deep Links — open Instagram or TikTok profiles natively
• App Store Growth Links — smart OS-aware install attribution
• Google Maps Intent Links — route to exact locations in native map apps

"HopLinks is one of the few purpose-built Firebase Dynamic Links replacements. Designed with Indian developers and startups in mind — but works globally. At $3.99/month vs Branch's ~$499/month, the math rarely works for early-stage teams choosing Branch."

— HopLinks Blog — Firebase Dynamic Links Alternatives in 2026: Complete Guide

How to Migrate from Firebase Dynamic Links to HopLinks

HopLinks describes the migration as taking under an hour for the SDK swap, with most developers completing the full migration in a single day. Here's the process:

1. Export your FDL link metadata from the Firebase console before data becomes inaccessible.
2. Create a free HopLinks account at hoplinks.in — no credit card needed.
3. Set up your custom domain in the HopLinks console.
4. Configure AASA for iOS — add your Team ID and bundle identifier.
5. Configure Digital Asset Links (assetlinks.json) for Android.
6. Use the HopLinks REST API to recreate your existing link catalog (the API mirrors FDL conventions).
7. Update any hardcoded FDL URLs in your app, emails, and marketing materials.
8. Remove the Firebase Dynamic Links SDK from your app dependencies and ship an app update.
9. Test deferred deep links end-to-end using the built-in demo tools on real devices — simulators don't replicate deep link behavior reliably.

"Debugging mobile deep links is significantly easier with real device testing, since many features don't work in simulators or debug builds."

— Andrew Zaikin, Medium — Firebase Dynamic Links Is Shutting Down

What About Building Your Own Deep Link Server?

Some developers — particularly those who ran Firebase Dynamic Links at scale with custom needs — are building their own deep link servers. A developer documented building a service using Cloudflare Workers that resolves in under 10ms, using a three-stage matching approach:

• Stage 1 — Deterministic match: Google Play Referrer API passes a click ID through the install (~30% of Android installs).
• Stage 2 — Fuzzy fingerprint: IP hash + User-Agent + screen resolution + locale + timezone stored in Cloudflare KV with 24-hour TTL. Handles the majority of matches.
• Stage 3 — Probabilistic fallback: When Stage 2 returns multiple candidates, confidence scoring picks the best match.

This is a viable path for teams with the engineering bandwidth. However, for most startups and indie developers, the maintenance burden makes a managed platform like HopLinks the more practical choice.

Which Alternative Is Right for Your Team?

Choose HopLinks if:

• You were on Firebase Dynamic Links and want a 1:1 replacement without over-engineering
• You're an indie developer, startup, or growing app on a budget
• You're building for the Indian market and need UPI + WhatsApp intent links
• You want zero SDK footprint in your app
• You need to be live fast — setup takes under 5 minutes

Choose Branch.io if:

• You're a large enterprise running millions of MAU
• You need deep linking tightly integrated with 50+ ESP partners
• Budget is not a constraint and you have a dedicated growth engineering team

Choose AppsFlyer / Adjust / Kochava if:

• You run heavy paid UA campaigns and need attribution + deep linking in one platform
• You need fraud detection, multi-touch attribution, or cost aggregation
• You're already in the MMP ecosystem and a deep linking add-on is low-friction

Choose native Universal Links / App Links if:

• You only need standard deep links (user already has the app installed)
• Deferred deep linking is not part of your use case
• You want fully free, zero-dependency infrastructure

Frequently Asked Questions