Instagram Carousel Ads: Sizes, Specs & Examples for Apps

Instagram carousel ads are swipeable sets of 2–10 cards at 1080×1080 (1:1) in the feed, with 9:16 versions running in Stories. They earn more engagement per impression than single images — every swipe is a micro-commitment — and for apps the winning structure is a three-card story: hook, value, call-to-action.

Instagram carousel ad sizes and specs

• Feed carousel: 1080×1080px, 1:1 square — Instagram's recommended carousel format. 2–10 cards, JPG or PNG.
• Stories placement: 1080×1920px, 9:16 — square cards auto-adapt, but purpose-built vertical creative performs better.
• Consistency rule: every card must share the same aspect ratio, and the set should read as one design system — one palette, one typography.
• Copy: one primary text + per-card headlines (optional). For app installs, a single campaign-wide message beats per-card micro-copy.

Why carousels beat single images on Instagram

• The swipe is engagement — Instagram's delivery system rewards interaction, which lowers your effective CPM.
• A second chance at the impression: if a user pauses but doesn't click, Instagram often re-serves the carousel starting from card 2.
• Room to tell a story: problem → product → payoff needs three beats. A single image has to compress them; a carousel gives each beat its own card.

The 3-card structure for app installs

1. Card 1 — Hook. A bold, emotional line in the customer's voice that also works standalone (most viewers never swipe). Add a subtle swipe cue; hold the CTA.
2. Card 2 — Value. Your real app paying off the hook — an actual screenshot in a phone mockup, one concrete benefit, legible at feed size.
3. Card 3 — CTA. The outcome plus your app's logo lockup and an explicit call to action. The only card that sells.

This structure and the full Meta-vs-TikTok spec comparison live in our deeper guide to carousel ads for apps.

Instagram carousel examples that convert for apps

• The mystery hook: card 1 poses a question ("Found a mystery seed?"), card 2 answers it with the app, card 3 invites the download.
• Before → after: card 1 shows the painful status quo, card 2 the transformation with the app visible, card 3 the CTA.
• Feature trio → CTA: for feature-rich apps, one benefit per card — but keep it to your three strongest and front-load the best.
• UGC-style deck: cards styled like a real user's photo dump. Pairs the carousel format with the UGC effect.

Generate an Instagram carousel from your app listing

Make App Ads builds the whole deck in one click: paste your App Store or Google Play link, choose Carousel → Meta / Instagram, and it generates three 1080×1080 cards — hook, value and CTA — with your real screenshots and logo baked in and one consistent visual system across the set, plus paste-ready primary text and headline. A full carousel is 30 tokens and each per-card edit ("make card 2's headline bigger") is 3. Start free, or read the Instagram ads for apps guide for campaign setup.