App Store Optimization Insights
Data-driven research, practical guides, and strategies for ranking higher on the App Store and Google Play.

App Store Screenshot Sizes & Specs (2026)
Complete app store screenshot sizes for iPhone, iPad, and Google Play in 2026. Exact pixel dimensions, format rules, and per-store upload limits here.

Play Integrity API: When to Enforce, When to Skip
Learn when to enforce the Play Integrity API and when skipping it makes sense. A decision framework for Android developers based on app category and risk.

Play Store App Tags: How to Choose Them
Learn how play store app tags affect discovery, peer groups, and ranking. A data-backed guide to choosing the right 5 tags for your Android app listing.

Play Store Ranking Factors iOS Doesn't Have
Play store ranking uses signals that don't exist on iOS — from long description indexing to vitals and backlinks. Here's how each Android-only factor works.

Google Play Pre-Registration: Still Worth It?
Google Play pre-registration can seed day-one installs that boost early ASO rankings. Here is when it works, when to skip it, and how to maximize impact.

Play Console Search Analytics: Read the Data
Play Console search analytics can mislead you if you read them wrong. Learn what each metric actually measures, where the gaps are, and how to act on the data.

Custom Store Listings: Country-Level Keywords
Custom store listings let you target country-level keywords on Google Play. Build a localized keyword strategy that captures installs competitors miss.

Play Store Listing Experiments: What to Test
Play Store listing experiments let you A/B test icons, descriptions, and screenshots. Here's what to test first — backed by data and real keyword examples.

Android App Bundle vs APK: What Changed
Android App Bundle replaced APK as Google Play's required format in 2021. Learn how AAB affects download size, ASO conversion, and distribution in 2026.

Google Play Long Description: Keyword Structure
Learn how to structure your Google Play ASO long description for optimal keyword density — with character limits, placement rules, and real ranking data.

iOS Universal App: iPad Differentiation Guide
Learn how to architect an iOS universal app for iPad differentiation. Covers adaptive layouts, split views, ASO metadata, and iPad-specific keyword strategy.

TestFlight Beta Testing for ASO Metadata
Learn how to use TestFlight beta testing to validate App Store metadata before launch. A step-by-step strategy for titles, subtitles, keywords, and screenshots.

App Clips: When They Help and When They Don't
App Clips promise instant interactions without a full install. Learn when they actually drive discovery and conversions — and when they waste dev time.

iOS Widget Extensions: Discovery and ASO Impact
iOS widget extensions create a persistent presence on home screens. Learn how widgets affect App Store discovery, retention signals, and ASO strategy.
App Tracking Transparency: Conversion Impact
How Apple's App Tracking Transparency reshaped iOS conversion rates, ad attribution, and organic ASO strategy. Data-backed analysis with real benchmarks.

StoreKit 2 Migration Checklist for iOS Devs
A step-by-step StoreKit 2 migration checklist covering async/await APIs, server-side changes, receipt removal, testing, and ASO impact for iOS developers.

iOS Privacy Manifest: What Indie Devs Must Know
iOS privacy manifest files are required for every App Store submission. Learn what goes in them, how they affect your ASO, and how to avoid rejection.

SwiftUI vs UIKit in 2026: When Each Wins
SwiftUI vs UIKit — a data-grounded comparison of when each framework wins in 2026, covering performance, hiring, iteration speed, and real shipping decisions.