CaptionSnap

compare

Pinterest Idea Ad vs Instagram Stories

Both are multi-page vertical formats. Pinterest Idea allows 100 visible per-page chars; Instagram Stories caps primary at 90 visible.

Pinterest Idea Ads and Instagram Stories Ads are both multi-page vertical formats — but they exist for different stages of the user funnel. Instagram Stories is mid-feed interruption, optimized for awareness and direct-response (swipe-up CTA on every snap). Pinterest Idea Ads are saveable storyboards, optimized for save-for-later behavior with a single end-of-flow CTA.

Character economics: Pinterest Idea allows 100 visible chars per page-overlay text + 40-char title. Instagram Stories allows 90 visible chars primary text + 30-char headline. Per-page Pinterest is slightly more generous; per-ad Instagram is slightly tighter.

The bigger structural difference: Pinterest Idea Ads scale up to 20 pages. Instagram Stories caps individual ads at typically 1-3 sequential snaps. Pinterest rewards storyboard depth; Stories rewards sharp single-frame impact.

29/100clips at 40
52/250clips at 100
Export PNGProURL is the database — no signup, ever.
brandPromoted×

Per-page overlay clips at ~100 chars. Stories at 90.

Pinterest Idea: 40-char title

brand.com

Red dashed = covered by platform UI

Side-by-side specs

FieldHard maxVisible before truncateWarn at
Title1004035
Page text overlay25010080

Source: https://help.pinterest.com/en/business/article/idea-ads · Last verified 2026-04-15.

FieldHard maxVisible before truncateWarn at
Primary text1259080
Headline404030

Source: https://www.facebook.com/business/ads-guide/instagram-stories · Last verified 2026-04-15.

FAQ

How many pages should an Idea Ad have?
5-7 pages maximizes save rate. 10+ pages drops completion roughly 15% per additional page past 5.
Can a Pinterest Idea Ad include audio?
Yes — each page can be muted-autoplay video with audio that plays on tap-to-unmute.
Should I run identical creative on both?
No. Pinterest rewards storyboard depth; Stories rewards a single-frame hook. Plan separate flows.