Mobile interstitial prompts
Guide to creating and managing full-screen mobile interstitial prompts in Recurly Engage.
Overview
Required plan
This feature or setting is available to all customers on any Recurly Engage subscription plan.
Prerequisites & limitations
- You must have Company, App Administrator or App member permissions in Recurly Engage.
Definition
A mobile interstitial is a native-style, full-screen prompt delivered within your mobile app to highlight offers, announcements, or calls to action.
Key benefits
- Full-screen impact: Captures the entire device viewport for maximum visibility.
- Native rendering: Uses device SDK to ensure smooth performance and consistent styling.
- Flexible configuration: Customize text, visuals, and interactive buttons for mobile-specific use cases.
Key details
Redfast supports the creation and delivery of full-screen interstitials on mobile devices such as iPhones and Android phones.

UI Elements
Use the Recurly Engage admin console to configure these properties; the SDK will render native buttons at runtime.
Item | Type | Description |
---|---|---|
Title | Text | Headline text |
Message | Text | Message body |
Background color | Hex color | Solid background color |
Background Image | Image | Full-screen background image |
Legal text | Text | Legal disclaimer |
Close button | Radio | Allow user to close or force display time |
Close timer | Number | Countdown in seconds before auto-close |
Buttons | Up to three native SDK buttons | |
• Text | Text | Button label |
• Text color | Hex color | Button text color |
• Background | Hex color | Button background color (8‑char hex with alpha) |
• Font family | Dropdown | System fonts on iOS or Android |
• Border radius | Number | Corner radius (px) |
• Border color | Hex color | Button border color (8‑char hex with alpha) |
• Border width | Number | Border thickness (px) |
• In App SKU | Text | In-app purchase product/SKU code |
• Deep Link | Link | Deep link URL |
Triggers
Configure when to show the prompt by specifying screen name or element click ID in your app. For implementation details, see the Redfast iOS and Android SDK docs.
Updated 1 day ago