Platform creative delivery

Mobile
Creative Specifications

Published requirements, recommendations, and delivery guidance from the governed Cphere specification catalog.

Formats supported
Mobile Display
Primary campaign uses
Not specified by platform
Last verified
Aug 2, 2026
Recommended delivery package
Not specified by platform
Catalog status
CurrentLimited Documentation
Mobile creative formats
Published catalog 5Published August 2, 2026

Quick delivery checklist

What to send Cphere

  • Final platform-ready creative
  • Approved copy and CTA
  • Destination URL and tracking parameters
  • Brand and legal requirements

Canonical records

Formats and placements

Mobile Display

Published format-level guidance.

CurrentLimited Documentation

Required

Not specified by platform

Recommended

Not specified by platform

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

In-App and Mobile Web

Limited Documentation

Governed channel view over the StackAdapt Display, Native, and Video contracts — StackAdapt documents no separate mobile specification.

Required
Inheritance
StackAdapt publishes no distinct mobile creative contract: mobile delivery inherits the Display contract (sizes span desktop, mobile, and tablet incl. 320x50), Native in-app placements, and Video in-app interstitials
Executing Platform
320x50 supported with JPG/PNG/GIF/HTML5 at 750 KB maximum
Recommended
Banner Sizes
300x50 and 320x50 at 50 KB initial load / 100 KB subload pixels
Interstitial Sizes
640x1136, 750x1334, or 1080x1920 at 300 KB initial load / 600 KB subload pixels
Rectangle
300x250 at 150 KB initial load / 300 KB subload; tablet 728x90 at 150/300 KB pixels
Pixel Density
Supply assets at 2x pixel density for high-DPI screens
Mobile Design
Rewarded/opt-in video runs exclusively in-app on mobile; 320x480 half-page and swipe units are referenced as design guidance; 12–20pt fonts recommended
Placement-dependent
Interstitial Support
Verification required — Referenced only as design guidance; the binding technical contract is in the login-gated StackAdapt help center.
Cphere best practice

Not specified by platform

Delivery detail

File, copy, audio, and destination requirements

File requirements

Not specified by platform

Copy requirements

Not specified by platform

Audio requirements

Not specified by platform

Tracking requirements

Not specified by platform

Landing-page requirements

Not specified by platform

Prohibited or unsupported elements

No prohibited-element list is published for this record.

Interface-aware delivery

Safe zones

No verified safe-zone diagram is published for this placement. Do not infer pixel-safe areas.

Clearly separated guidance

Recommended best practices

No additional Cphere best-practice copy is published for this record.

Source transparency

Sources and verification

Last verified: Aug 2, 2026. Platform requirements may change; check these official references before final delivery.

Publisher, exchange, and standards-body trademarks referenced in this specification belong to their respective owners. Cphere does not imply endorsement or partnership.