Glossary

A comparative test using two versions of a screenshot to determine which design, layout, or visual performs better with users.

A short video or animated sequence of screenshots shown in the App Store to demonstrate the app's functionality and interface.

Apple's platform for managing app submissions, metadata, screenshots, and performance analytics on the App Store.

A centralized repository where screenshot templates, device frames, background assets, and branded elements are stored and managed.

What is a Badge UI? Badges convey dynamic information, such as counts or status. A badge can include labels or numbers.

What is a Banner UI? A banner displays a prominent message and related actions.

What is a Bottom Sheet? Bottom sheets display supplementary content anchored to the bottom of the screen. They provide temporarily important information that can be easily accessed and dismissed.

The visual layer placed behind device mockups in a screenshot composition, typically featuring gradients, illustrations, or brand colors.

A short headline or descriptive text overlaid on a screenshot to communicate the app's key value proposition for that screen.

The engine or tool responsible for layering device frames, screenshots, backgrounds, and text into a final exportable image.

The percentage of App Store page visitors who proceed to download the app, heavily influenced by screenshot quality and design.

A variant of an app screenshot rendered with the application's dark color scheme, required for stores that support dark mode previews.

A realistic or stylized mockup of a physical device (iPhone, iPad, Android phone) used to showcase the app's UI within context.

Dots Per Inch a measure of screen or print resolution. App Store screenshots must meet minimum DPI requirements to appear sharp on high-resolution displays.

The automated or manual workflow that processes screenshot assets and outputs final images in required formats and resolutions.

A banner image displayed at the top of a Google Play store listing, distinct from individual screenshots, used for editorial promotion.

The aspect ratio of a device frame used in screenshot composition, such as 9:19.5 for modern iPhones or 3:4 for tablets.

Google's developer platform for submitting and managing Android apps, including screenshot uploads and store listing metadata.

A smooth multi-point color gradient used as a background in screenshots to create depth and visual interest behind device mockups.

The first and most prominent screenshot in a store listing, designed to immediately capture attention and communicate the app's core value.

Custom artwork or icons placed around or behind device frames in a screenshot to reinforce storytelling and visual hierarchy.

A precise alignment guide used during screenshot composition to ensure consistent positioning of text, devices, and graphic elements.

The process of adapting screenshots for different languages and regions, including translating captions and adjusting layouts for RTL languages.

Supplementary information accompanying a screenshot, such as file name, resolution, locale, and the target device it was designed for.

A pre-built design file containing smart objects or placeholders that allow quick insertion of app UI screenshots into device frames.

The cutout at the top of certain device frames (e.g., iPhone X–14) that must be accounted for in screenshot composition to avoid obscuring content.

A layered depth animation applied to screenshots or preview videos where background and foreground elements move at different speeds.

The number of pixels per inch on a screen. App Store screenshots must target high pixel densities (@2x, @3x) to stay crisp on retina displays.

Short, persuasive copy placed on a screenshot that highlights a specific feature, benefit, or call-to-action for potential users.

A set of predefined canvas dimensions matching specific device screen sizes required by the App Store or Google Play submission guidelines.

The area of a screenshot guaranteed to be visible across all device form factors, free from OS-level UI elements like status bars or navigation.

A programmatic approach (e.g., using Fastlane Snapshot) to automatically capture app screens across multiple locales and device sizes.

The full collection of screenshots submitted for a single app on a specific platform, covering all required device sizes and orientations.

A non-destructive layer in design tools like Photoshop or Figma that allows screenshot content to be swapped while preserving frame styling.

The complete page on the App Store or Google Play that includes screenshots, description, ratings, and app preview video for a given app.

A harmonious set of font sizes used across screenshot captions to maintain visual consistency and readability at multiple screen densities.

A programmatically captured image of an app's interface at a specific state, used as source material for screenshot compositions.

The arrangement of screenshot elements (device, caption, background) in order of importance to guide the viewer's eye naturally through the composition.