AppsFlyer Neutral Reconciliation Layer
AppsFlyer
The key point is that Apple and Google can each measure only the part of the journey that happens inside their own walls, which leaves a separate job of stitching results together across networks, apps, and owned channels. AppsFlyer sits in that stitching layer. Its SDK records installs, purchases, and in app actions, then reconciles platform postbacks, network metadata, and first party events into one budget view for marketers.
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Apple’s AdAttributionKit and the older SKAdNetwork send privacy limited postbacks for app campaigns, and Google’s Attribution Reporting API was designed to remove reliance on cross party user identifiers. That improves privacy, but it also means advertisers get narrower, ecosystem specific signals that still need normalization before they can compare channels side by side.
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That reconciliation step is operational, not just analytical. A growth team needs one place to line up Meta, Google, TikTok, Apple Search Ads, web campaigns, and owned links against the same downstream events like purchase or subscription start. AppsFlyer became durable because it plugs into the app, ingests partner data, and applies a common attribution logic across all of them.
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Competitors tend to own one adjacent slice more tightly than AppsFlyer. Branch is strongest where the hard problem is getting users from an ad or message into the right app screen, even under newer iOS constraints. AppsFlyer’s edge is being the neutral reporting and decision layer that large advertisers can use across many media partners, not just one user path.
The market is heading toward less raw user level data and more modeled, aggregated measurement. That makes independent measurement more valuable, not less, as long as it can translate fragmented platform outputs into one trusted system for spend allocation. The winning vendors will be the ones that become the default place where marketers decide what channel gets the next dollar.