ASO Glossary
Every App Store Optimization term you need to know, explained clearly with practical examples.
A/B Testing (App Store)
A/B testing in the App Store is the process of comparing two versions of app metadata (icon, screenshots, description) to …
App Metadata
App metadata refers to all the textual and visual elements that describe your app in the App Store, including the …
App Ratings & Reviews
App ratings and reviews are user-generated scores and feedback that influence App Store search rankings, conversion rates, and overall app …
App Store Keyword Field
The App Store keyword field is a 100-character hidden metadata field where developers enter comma-separated keywords that Apple uses for …
App Store Optimization (ASO)
App Store Optimization (ASO) is improving an app's visibility and conversion in App Store search through keyword research, metadata and …
App Store Screenshots
App Store screenshots are the visual preview images displayed on your app's product page that showcase features, UI, and value …
App Store Search Algorithm
The App Store search algorithm is Apple's system for ranking apps on a search, weighing keyword relevance, download velocity, ratings …
App Store Subtitle
The App Store subtitle is a 30-character text field displayed below the app name in search results and on the …
Brand Keywords
Brand keywords are search terms that include a specific app or company name. They typically have high conversion rates but …
Competitor Analysis
Competitor analysis in ASO is the process of studying rival apps' keywords, metadata, rankings, and strategies to find opportunities and …
Conversion Rate Optimization
Conversion rate optimization (CRO) in ASO raises the share of App Store visitors who download your app, with better icons, …
Country Opportunity Finder
The Country Opportunity Finder is a RespectASO feature that ranks up to all 175 App Store storefronts by opportunity for …
Download Estimates
Download estimates are approximations of how many times an app has been downloaded, used in ASO to gauge keyword competitiveness …
Hidden Gem Keywords
Hidden gem keywords are search terms with modest demand and thin competition, where a new app ranks far higher than …
Keyword Density
Keyword density is how often a keyword appears across an app's metadata. Unlike web SEO, the App Store needs no …
Keyword Difficulty
Keyword difficulty is a score from 1 to 100 that estimates how hard it is to rank for a specific …
Keyword Popularity
Keyword popularity is a score from 1 to 100 that estimates how frequently users search for a specific term in …
Localization (ASO)
ASO localization is adapting an app's metadata (title, subtitle, keywords, screenshots and description) for each App Store market and language.
Long-Tail Keywords
Long-tail keywords are longer, more specific search phrases with lower popularity but also lower competition. They often convert better because …
Multi-Keyword Search
Multi-keyword search is a RespectASO feature that scores a list of keywords at once across up to 5 countries. With …
Opportunity Score
The opportunity score is a number from 0 to 100 for the downloads a keyword would bring your app at …
Ranking Tier
A ranking tier groups App Store search positions into meaningful brackets that reflect download probability. Apps in the top 3 …
Search Visibility
Search visibility measures how often and how prominently an app appears in App Store search results across all its targeted …
Sweet Spot Keywords
Sweet spot keywords are search terms with real demand that your app can realistically rank for, so the rank you …
ASO vs SEO
ASO optimizes for App Store search and conversion, SEO for web search engines like Google. They share principles but differ …
Agentic ASO
Agentic ASO is App Store Optimization run by AI agents that research, score and draft metadata for you, as RespectASO …
BYOK (Bring Your Own Key) for ASO
BYOK ASO means the tool runs its AI workflows with your own LLM API key, so AI cost is not …
Tap-Through Rate
Tap-through rate (TTR) is the percentage of users who tap on an app's listing in search results to view its …