OpenMock BlogAlternatives & comparisons
Rotato alternative: 3D mockups and videos, free
A Rotato alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
Rotato is the tool most people picture when they say "3D mockup video": a macOS app that puts your design on a spinning device and renders it as a clip. It is polished and it earned its reputation. It is also a Mac-only desktop app, which is the first reason people go looking for an alternative — and the reason OpenMock exists as a browser tool.
What Rotato does well
Rotato is a native macOS application for creating 3D device mockups and animated mockup videos from screenshots and screen recordings.
- Mature 3D rendering with a large catalogue of devices and scene presets
- Native app performance for long, high-resolution renders
- Well-known workflow with plenty of tutorials and community examples
Where OpenMock is different
OpenMock is a browser-based studio for putting screenshots and screen recordings on 3D devices and turning them into promo videos. The differences that matter for someone comparing it with Rotato:
- Runs in the browser, on any OS. Windows, Linux and ChromeOS users get the same studio as Mac users; there is nothing to install or update.
- Nothing is uploaded. OpenMock renders with WebGL and encodes video with WebCodecs entirely on your machine. There is no account, no cloud project and no server that ever sees your unreleased UI.
- Fair source. The code is public under FSL-1.1-MIT on GitHub; you can read how the renderer works, self-host it, or check what happens to your files.
- Images are free forever. PNG, JPEG, WebP and transparent PNG exports at any size, no watermark, no signup.
- Cinematic pipeline built for video. Keyframed camera on a timeline, adaptive motion blur, depth of field, screen glow that lights the device from its own display, three HDRI environments, text and logo shots, audio clips, and MP4 export up to 4K/60 fps.
- Procedural devices. The iPhone 17 family, iPad Pro, MacBook Pro 14/16, MacBook Neo, Apple Watch Ultra 3 and XDR Display are generated in three.js rather than loaded as heavy assets, so the page loads fast and renders sharp at any size.
Side by side
| Rotato | OpenMock | |
|---|---|---|
| Runs on | macOS app | Any desktop browser (Chrome, Edge, Safari) — macOS, Windows, Linux, ChromeOS |
| Your files | Stay on your Mac | Never leave your device; no account |
| 3D devices | Large catalogue | iPhone 17 / 17 Pro / 17 Pro Max, iPad Pro, MacBook Pro 14" and 16", MacBook Neo, Apple Watch Ultra 3, XDR Display, frameless |
| Video | Rendered clips with animation presets | MP4 up to 4K/60 fps with motion blur, keyframed camera, transitions, text and logo shots, audio |
| Images | Yes | PNG / JPEG / WebP, transparent PNG, any size, free |
| Pricing | Paid license (see Rotato's site) | Images free forever; video free at 720p with watermark; Pro $5/month or $36/year |
| Source | Proprietary | Fair source (FSL-1.1-MIT), code on GitHub |
When to stay with Rotato
If you are on a Mac, already own Rotato, and rely on a specific device or scene preset from its catalogue that OpenMock does not have, there is no reason to switch for its own sake. Rotato's native renderer is also a good fit for very long, very high-resolution exports where you want to walk away and let a desktop app work.
When OpenMock is the better fit
- You are not on macOS, or your team is mixed
- You are showing unreleased product UI and would rather it never left your machine
- You want free, watermark-free still images without buying anything
- You care about being able to read (or fork) the tool's source
- You want a video timeline with text, logo and audio shots in the same project as the 3D scene
Try it in two minutes
Open OpenMock, pick a device, drop in a screenshot or screen recording, move the camera, export. If the result isn't what you wanted, you have lost two minutes and no personal data.
FAQ
Is OpenMock a free Rotato alternative?
For images, completely: PNG, JPEG and WebP exports are free with no signup or watermark. Video exports are free at up to 720p/30 fps with a watermark; Pro ($5/month or $36/year) removes it and unlocks 4K and 60 fps.
Does OpenMock upload my screenshots or recordings?
No. Rendering, decoding and encoding all happen in your browser with WebGL and WebCodecs. Nothing is sent to a server and there is no account to create.
Does OpenMock have as many devices as Rotato?
No. OpenMock ships a focused set: iPhone 17, 17 Pro and 17 Pro Max, iPad Pro, MacBook Pro 14-inch and 16-inch, MacBook Neo, Apple Watch Ultra 3, Pro Display XDR and a frameless screen. If you need an older or non-Apple device today, Rotato's catalogue is wider.
Can I import a Rotato project into OpenMock?
No — the formats are unrelated. Bring your screenshots and recordings; rebuilding a typical two- or three-shot scene takes a few minutes.
This comparison describes Rotato from its public materials as of September 2026. Features and prices change — check the Rotato site for current details.