mockvid
What each format is actually good at
A static mockup, a device frame with a screenshot dropped in, is fast to produce and costs nothing to load. It communicates "here's roughly what this looks like" in a single glance. A 3D animated mockup, a device that scrolls, tilts and catches light in a staged scene, costs more to produce and more to load, in exchange for showing considerably more: actual scroll behavior, responsive layout across breakpoints, and enough motion to hold a viewer's attention past the first second.
Side by side
| Static mockup | Animated 3D mockup | |
|---|---|---|
| Production time | Minutes, drop a screenshot into a frame | Minutes, with URL-to-video capture tools |
| What it shows | One screen, one moment | Full scroll, real layout, both breakpoints |
| Attention held | A glance | Several seconds, enough to read a value prop |
| File weight / load time | Lightest, single image | Heavier than a static image, lighter than raw screen recording |
| Best placement | Thumbnails, icons, quick app-store shots | Hero sections, portfolio pieces, launch galleries, social posts |
| Perceived polish | Reads as a placeholder if overused | Reads as a finished, considered presentation |
Where motion is doing real conversion work
- Above the fold, on a page you want people to stay on. Motion is one of the few things that reliably interrupts a scroll.
- Anywhere the product's real content matters. A scrolling capture shows actual copy, actual layout, actual data, not a mockup of a mockup.
- Launch galleries and social posts, where an autoplaying clip gets glanced at, while a static image competing against a feed of other static images often doesn't.
Where static still wins
- Anywhere file weight is the binding constraint: email headers, some ad placements, print.
- Small placements, like a favicon-sized app icon preview, where motion can't register anyway.
- A single, information-dense screen meant to be studied rather than watched, like a dashboard screenshot in documentation.
See the difference on your own site.One URL, both formats, free to compare.
Try it free →The practical answer
Use a static mockup wherever load time or placement size makes motion pointless. Use an animated 3D mockup everywhere the visitor's attention is the thing you're trying to earn: your own landing page hero, your portfolio, a launch gallery, a client proposal. Most sites only need one of each, not a library of both, so the decision is really about picking the right one for the one or two placements that actually carry weight.
Frequently asked
Does an animated mockup actually convert better than a static image?
Motion earns attention a static image can't: it's why autoplaying video consistently outperforms static images for time-on-page and scroll-past rate in landing page testing generally. For a device mockup specifically, the advantage is showing scroll behavior, responsive layout and real content in motion, not a still crop of one screen.
When is a static mockup still the better choice?
When load time matters more than expressiveness, when the placement is small, or when the design itself is the whole story and doesn't benefit from scroll or camera motion.
Is a 3D mockup slower to produce than a static one?
Not necessarily. Tools built for automatic capture generate a 3D mockup from a URL in about the same time it takes to design a static one by hand, without manual cropping or compositing. See how the capture works for the full flow.