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SEOSEOPaid AcquisitionPaid acquisitionProgrammaticWebsite MonetizationProgrammaticApp UAApp MonetizationWebsite monetizationKeyword ResearchSearch IntentApp acquisitionROASCPAApp monetizationCPCLTVAffiliateeCPMRPMRetail MediaAttributionConversion TrackingCreative IntelMMPHeader BiddingDSPSSPRTBAd ViewabilityFill RateASOSKAdNetworkARPDAURewarded VideoAd MediationAffiliateCreative TestingA/B TestingRetargetingLookalike AudiencesCampaign OptimizationBrand SafetySupply Path

App User Acquisition

AppsFlyer

Freemium

AppsFlyer is a measurement, analytics, deep linking, and data collaboration platform built for mobile-first marketing teams. It attributes installs and downstream events across paid and owned channels, supports privacy-preserving measurement frameworks, connects campaign data to business outcomes, and offers fraud prevention through Protect360 plus audience, clean-room, and cross-platform capabilities. It suits app businesses that need an independent measurement layer across many media partners and can invest in disciplined SDK implementation, event governance, consent, and data validation.

Analyticsmobile measurementfraud preventiondeep linkingcampaign analytics

What it does

AppsFlyer is a mobile measurement partner, the independent referee that decides which channel gets credit for each install and downstream event. Its SDK attributes installs across hundreds of integrated ad networks, measures in-app events and revenue, and handles privacy frameworks including Apple's SKAdNetwork and AdAttributionKit with conversion value management tooling. Beyond attribution, OneLink powers deep linking and deferred deep linking for web-to-app journeys, Protect360 detects install and in-app fraud, and cohort and LTV reporting connect acquisition cost to revenue. Data Clean Room and audience products support privacy-preserving collaboration with partners. Pricing scales with attributed conversions, with a free tier for small volumes.

Where it fits

AppsFlyer sits at the analytics layer of the app growth stack, receiving signals from every ad network and feeding validated attribution back to campaigns and BI.

Core features

  • Install and event attribution across hundreds of ad networks
  • SKAdNetwork and AdAttributionKit measurement tooling
  • OneLink deep linking and deferred deep linking
  • Protect360 fraud detection and blocking
  • Cohort, LTV, and cost aggregation reporting

Best for

  • App businesses buying installs from multiple ad networks
  • Growth teams needing one source of truth for CPI and ROAS
  • Apps with web-to-app funnels requiring deep linking

Beginner notes

  1. Define your in-app event taxonomy before integrating the SDK, because renaming events later breaks historical comparisons and partner postbacks.
  2. iOS attribution is probabilistic and SKAdNetwork-constrained, so expect iOS numbers to be modeled and delayed compared with Android.
  3. Reconcile AppsFlyer revenue against your store and backend data monthly; unnoticed SDK or mapping gaps quietly distort ROAS decisions.
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Comparisons & guides featuring this tool

Concepts behind this tool

ROAS

ROAS compares attributed revenue with advertising spend.

Marketing Attribution

Attribution assigns conversion credit to marketing interactions.

Mobile Measurement Partner

An MMP measures mobile app acquisition and post-install outcomes across channels.

Cost Per Install

CPI is the average advertising cost for an attributed app install.

Customer Lifetime Value

LTV estimates the economic value generated by a customer over time.

SKAdNetwork

SKAdNetwork is Apple's privacy-preserving framework for measuring app advertising outcomes.

AdAttributionKit

AdAttributionKit is Apple's 2024 replacement for SKAdNetwork, offering privacy-preserving mobile attribution with improved measurement capabilities for iOS app install campaigns and re-engagement.

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