Full video ads vs. caption overlays
Submagic adds captions and B-roll to existing footage. Krust creates complete AI video ads from scratch — script, presenter, and product shots included.
Generates complete video ads from scratch — no existing footage needed
Realistic AI presenters that deliver your script
Built-in ad frameworks and proven hooks
Product URL import auto-generates scripts and visuals
Requires existing video footage to work with
No AI presenter generation — only overlays and captions
Limited to enhancing videos, not creating them
Not built for performance ad creation workflows
Try Krust for $30 — ship your first ad in 2 minutes. Cancel anytime. 14-day money-back guarantee.
Try Krust for $30Built for ads, not corporate training
CompareMore templates, faster generation, half the price
CompareBuilt for UGC ads, not corporate explainers
CompareMore templates, more realistic actors, lower entry price
CompareNew to the category? Read the complete AI UGC guide — what it is, the formats, real costs, and legality.