LinkTrail is deep-linking and attribution infrastructure for mobile-first teams. Most links break at exactly the wrong moment. Someone taps your ad or your referral link, hits the App Store, installs, opens the app — and lands on a generic home screen with no memory of why they came. The offer is gone, the context is gone, and your attribution is a guess. LinkTrail fixes that with one link that does four jobs: ad redirector, app-store router, attribution engine, and deep-link resolver. How it works 1. Create a smart link. Define a deep link path, a custom payload and per-platform fallbacks. Generate a short link or QR code in seconds. 2. Route every click intelligently. LinkTrail reads the User-Agent, records the click with its campaign context, and sends iOS to the App Store, Android to Play, and desktop to web — no routing logic on your side. 3. Match the install to the click. Deterministic matching where the platform allows it, so a real install is tied to a real click rather than a probabilistic estimate. 4. Land users on the right screen. The original path and payload survive the install and resolve on first open, deferred deep linking done properly. What you get - SDKs for iOS, Android, React Native and Flutter - Deferred deep linking that survives the install - Universal Links, App Links and Play Install Referrer support - AdAttributionKit and SKAdNetwork registration, first-class - Fraud controls that score every install against velocity, device-signal and SDK-spoofing heuristics - A real-time dashboard breaking clicks, installs, attributed installs and fraud signals down by campaign, channel, platform and link - Privacy-first by design: no advertising IDs required, ATT-aware, store-policy-clean Built by developers, for developers. Clear docs, a predictable API, and a free tier you can ship on before you pay anything. Paid plans start at $19/month. Start free at linktrail.io