Mobile Screenshot & ASO Glossary
A reference for the terms that come up when you automate screenshot generation, ship to the App Store and Google Play, and run an ASO program at scale. Each term links to a longer definition, related concepts, and the feature pages where the idea shows up in practice.
App Store Optimization (ASO)
The practice of improving an app's discoverability and conversion rate on the App Store and Google Play.
App Store Connect
Apple's web portal for managing iOS app submissions, metadata, builds, screenshots, and analytics.
Device Frame
The visual phone or tablet bezel rendered around a screenshot to give it real-world context.
Fastlane frameit
A command-line action in the Fastlane toolchain that wraps screenshots in device frames using static templates.
Mobile Localization
Adapting an app's text, currency, formats, and store assets for each language and regional market.
Screenshot Variant
A specific render of a screenshot for one combination of device size, locale, orientation, and theme.
Template Porting
Automatically converting one screenshot template into the layouts required for additional device sizes.
YAML Scaffold
A human-readable YAML file that describes a screenshot render job — templates, locales, devices, variables — for use in CI.
App Preview Video
A short autoplaying video shown alongside screenshots on the App Store and Google Play to demonstrate an app in motion.
Mobile Aspect Ratio
The width-to-height ratio of a phone or tablet display, which determines screenshot canvas dimensions.