LEMON AI/LIBRARY

Resources

Methods for mobile growth decisions

Practical guides for joining creative delivery to business outcomes, diagnosing what changed, and making the next acquisition decision with evidence.

DECISION GUIDES

Methods for better mobile growth decisions.

Cohort reporting lag2026-09-01

A Cohort Report Finishes Two Days After Its Window

We replayed 58,587 readings of AppLovin cohort reporting. Every column reaches 99% of its settled value about two days after its window closes.

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Forecasting guide2026-09-01

Cohort Revenue Forecasting for Mobile Apps

Learn how mobile growth teams forecast cohort revenue, ROAS, and payback without confusing immature predictions with observed financial results.

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Early ROAS reliability2026-09-01

What Waiting From D7 to D30 Actually Buys

We ranked 524 network weeks and $8.8M of spend at every cohort age. Waiting from D7 to D30 moved the ranking 1.2 points on one app set and 9.3 on the other.

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Revenue stream comparison2026-09-01

When Ad Revenue, IAP, and Subscription LTV Become Final

Ad revenue, in-app purchases, and subscriptions settle on three different clocks. What AdMob, MAX, LevelPlay, AppsFlyer, Google Play, and Apple document.

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AppLovin reporting guide2026-08-30

AppLovin Creative Reporting: From Assets to ROAS

Understand what AppLovin reports at asset level, which outcome metrics need reconciliation, and how to create defensible creative ROAS decisions.

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Creative decline diagnosis2026-08-30

Half of Creative Decline Flags Are Country Mix

We split 2,890 fortnight comparisons on AppLovin creative sets into the part the country weights moved and the part the creative moved. Half the flags vanish.

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Creative test brief2026-08-27

How to Turn a Creative Finding Into a Testable Brief

Turn mobile ad performance evidence into a creative test brief with one claim, one controlled change, a decision metric, and honest result branches.

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Creative tagging integrity protocol2026-08-25

How to QA AI Creative Tags Before Performance Analysis

An eight-gate protocol for auditing AI creative tags: reconcile every asset and field, expose coverage, migrate labels safely, and test accuracy.

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Attribute evidence protocol2026-08-25

Creative Attribute Analysis: Which Findings Are Real

Count impressions and every creative tag comparison looks certain. Across 12,516 tagged creatives, 60% of those winners fail once you count creatives.

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Creative analytics guide2026-08-25

Mobile App Creative Analytics: A Decision Guide

Learn how mobile UA teams connect creative spend to installs, purchases, revenue, and ROAS so they can scale winners and stop weak ads sooner.

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Predicted ROAS decision guide2026-08-24

How to Set a D7 ROAS Target From Mature Cohorts

Set a D7 ROAS target from your app’s mature cohorts, payback deadline, revenue basis, and a leakage-safe backtest instead of borrowing a benchmark.

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Forecast audit protocol2026-08-24

How to Audit a Mobile App Cohort Forecast Backtest

Test an LTV or revenue forecast for future leakage, misleading error averages, weak coverage, and unsafe budget decisions.

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Creative reporting grain2026-08-22

Grouping Creatives by Concept Does Not Fix the Ranking

We ranked 18,948 AppLovin assets, then ranked the 8,251 creative sets they sit in, on the same days. Pooling left the D7 ROAS ranking where it was.

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Creative test reliability2026-08-22

How Much Spend a Creative Test Needs Before the Winner Holds

We ranked 1,224 creatives twice inside the same fortnight. The cost-per-install winners held. The D7 ROAS winners landed in the middle.

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iOS creative measurement2026-08-22

Creative-Level ROAS on iOS: What Apple Actually Returns

Apple returns the creative digits only in the first postback. Your day 7 and day 35 signal always comes back two digits wide, at campaign grain.

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AI analytics workflow2026-08-19

A Read-Only MCP Workflow for Creative Performance Analysis

Use a scope-first MCP workflow to analyze creative performance, inspect statistical evidence, and turn a supported pattern into the next controlled test.

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Attribution window comparison2026-08-15

Mobile Attribution Windows: Click, View, Cohort, Postback

Click windows, view-through windows, install cohorts, and SKAdNetwork postbacks are four different rules. What six ad platforms document, verified August 2026.

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AppLovin creative testing2026-08-15

AppLovin Creative Testing When the Engine Allocates Budget

AppLovin decides which creative spends your money, then reports twelve delivery columns and no outcomes. What a creative comparison can and cannot prove.

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Creative measurement protocol2026-08-15

How to Audit Asset-Level Creative ROAS Before You Scale

Audit asset-level creative ROAS for provenance, scope, cohort maturity, aggregation, and decision strength before scaling or pausing an ad.

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Fatigue measurement protocol2026-08-15

How to Measure Creative Fatigue from Performance Data

A versioned protocol for measuring creative fatigue: guarded window comparisons, volume floors, a decay rule, and false-positive checks for mobile UA teams.

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Attribute and fatigue guide2026-08-11

Creative Fatigue Analysis for Mobile UA Teams

Learn how to separate creative fatigue from audience, budget, and attribution effects, then turn the diagnosis into a controlled next test.

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Reporting automation guide2026-08-11

Marketing Analytics API and MCP Automation

Learn how to expose trusted creative and cohort metrics to dashboards, scripts, and AI agents without creating another uncontrolled reporting layer.

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