Pick a channel. Ship the right creative.
Each guide lists every format’s sizes, file limits and copy lengths, with test ideas and the checks we run before launch. Every spec links to the platform’s own documentation.
Apple Ads
Formerly Apple Search Ads. The four App Store placements, CPT and CPI pricing, keyword match types, daily budgets and custom product page ad variations.
View guide →
Facebook and Instagram
Meta’s specs for Feed, Stories, Reels, carousel and collection ads: 4:5 and 9:16 sizes, file limits and text lengths.
View guide →
TikTok
In-Feed, Spark, TopView, carousel and playable ad specs: video sizes, file and bitrate limits, caption rules and safe zones.
View guide →
Standard image, video, max width video, carousel, collections and idea ad specs, with title lengths and file limits.
View guide →
Snapchat
Single Image or Video, Story, Collection and Commercial ad specs: 1080 × 1920 canvas, video lengths, safe zones and copy limits.
View guide →
Google App campaigns
Text, image, video and HTML5 asset specs: headline and description limits, image sizes and how many of each asset to add.
View guide →Google Search
Responsive search ad limits, 15 headlines of 30 characters and 4 descriptions of 90, plus sitelinks, callouts, images and price assets.
View guide →
Image, video, carousel, free-form and interactive ad specs, with headline limits, thumbnail rules and file sizes.
View guide →
Outbrain
Standard native, vertical video, carousel, clip, app install and display ad specs, with title and description limits.
View guide →
Taboola
Native image, Motion Ads, carousel and app install specs on Realize, Taboola’s ad platform, with title length guidance.
View guide →
XX (Twitter)
Image, video, vertical video and carousel ad specs: 280 character posts, 70 character headlines, sizes and file limits.
View guide →YouTube
Skippable and non-skippable in-stream, in-feed, bumper and Shorts specs: sizes, lengths and copy limits by campaign type.
View guide →The playbook updates land in your inbox first.
When Meta, TikTok, Apple or Google ship a change that matters, we write it up. Twice a month, written by the Admiral Media team. No fluff, no filler, no affiliate links.
About the Admiral Media resources.
What are the Admiral Media app marketing resources?
A library of ad spec guides for 12 mobile ad platforms. Each guide lists formats, sizes, file limits and copy lengths, with test ideas, pre-launch checks and links to the platform’s own documentation.
Which channels do you cover?
Apple Ads (formerly Apple Search Ads), Facebook and Instagram, TikTok, Pinterest, Snapchat, Google App campaigns, Google Search, Reddit, Outbrain, Taboola, X and YouTube. Twelve guides in total.
How current are the specs?
Every guide shows the date its specs were last checked against the platform’s documentation. All 12 guides were checked on 3 October 2026. Where a platform’s own pages disagree, the guide shows both figures.
Are these guides free?
Yes. Every resource is free and updated as platform specs evolve. Subscribe to the Growth Memo to get new updates in your inbox when platforms change.
Who writes these resources?
The Admiral Media team, led by channel specialists who run these platforms in production for subscription, fintech, dating and EdTech apps every day.
Do you take on new clients across every channel?
Yes. Admiral Media runs full funnel creative performance across paid social, ASA, Google, programmatic and native. Talk to our team to see where the biggest lever is in your channel mix.
Put these guides to work on your app.
Talk to our team. The Admiral Media team will benchmark your current spend, spot the fastest levers and map your next 90 days.