sonarApp Store Optimization Insights
Data-driven research, practical guides, and strategies for ranking higher on the App Store and Google Play.
App Title Generator: How to Name Your App
Use this app title generator framework to craft names that rank in search. Covers iOS and Google Play naming rules, keyword placement, and real ASO data.
App Store screenshot sizes (iPhone, iPad, Play)
Exact App Store screenshot sizes in pixels for every iPhone and iPad display class, plus Google Play specs, formats and upload limits — in one place.
Play Integrity API verdicts: when to enforce
Play Integrity API verdicts explained — basic, device and strong integrity — and when your Android app should enforce the check or skip it.
Play Store categories and tags: the full list
Every Google Play category for apps and games, plus how Play Store tags work — pick the right category and 5 tags for your Android app.
How Play Store ranking works: factors iOS lacks
How Google Play ranks apps: query match first, then installs, ratings, vitals and backlinks. Plus the seven ranking factors iOS doesn't have.
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.
App Store A/B Testing: PPO and Play Experiments
A/B test your store listing with Apple's product page optimization and Google Play experiments: what each can test, the limits, and how to read results.
Android App Bundle vs APK: key AAB differences
AAB vs APK: how an Android App Bundle differs from an APK in size, signing and sideloading — and why Google Play has required AAB since 2021.
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.
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.
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.
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.
App Store Algorithm Updates 2026: What Changed
Every confirmed and observed app store algorithm update in 2026 — what shifted in ranking signals, keyword indexing, and how to adapt your ASO.
In-App Events for ASO: What Indie Devs Miss
In-app events add 80 indexed characters to your App Store listing. Learn how to use in-app events for ASO — metadata strategy, badge selection, and timing.
App Store Category Selection: A Strategic Guide
App store category selection affects ranking, competition, and discoverability. Learn how to pick primary and secondary categories using real keyword data.