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 about 8 hours ago