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Practical guides on device mockups, app promo videos and store assets — specs that are actually current, and workflows that finish in minutes.
Guides
- 3D device mockups vs flat mockups: which to use, and whenFlat frames and 3D renders solve different problems. How to choose for store screenshots, landing pages, social and video, trade-offs included.
- A free device mockup generator that never uploads your filesWhat free and private mean in OpenMock: no account, no upload, images free forever, video free at 720p, fair-source code — and what Pro adds.
- App Store preview video specs 2026: sizes, length, how-toApple's current app preview rules — 15–30 s, 886×1920 for modern iPhones, 1200×1600 for iPad, H.264 at 30 fps — and how to export a compliant file.
- App Store screenshot sizes 2026: every required sizeEvery App Store screenshot size for iPhone, iPad, Mac, Watch, TV and Vision Pro, which are required, and how to export framed screenshots at exact sizes.
- Camera moves for product videos: pan, zoom, blur, lightThe handful of camera moves, blur settings and lighting choices that make a device mockup video look filmed rather than generated — with the numbers that work.
- How to make an app promo video in your browser (2026 guide)A tool-honest guide to a 15–30 second app promo video: what to show, how to structure it, which sizes to export, and how to do it in minutes.
- Product Hunt launch video: specs, what works, and a 30-minute workflowProduct Hunt takes a YouTube link, autoplays muted and rewards 30–90 s demos. The current spec sheet plus a 30-minute workflow with a 3D device mockup.
- Turn an iPhone screen recording into a promo videoFrom a raw iOS screen recording to a polished MP4 on a 3D iPhone with camera moves and a tagline — in the browser, in ten minutes, nothing uploaded.
Device mockups
- Apple Watch Ultra 3 mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D Apple Watch Ultra 3 and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- iPad Pro mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D iPad Pro and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- iPhone 17 mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D iPhone 17 and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- iPhone 17 Pro Max mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D iPhone 17 Pro Max and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- iPhone 17 Pro mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D iPhone 17 Pro and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- MacBook Neo mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D MacBook Neo and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- MacBook Pro 14" mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D MacBook Pro 14" and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- MacBook Pro 16" mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D MacBook Pro 16" and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
- Pro Display XDR mockup: 3D images and videos in your browserPut a screenshot or recording on a 3D Pro Display XDR and export PNG or MP4 — free, no signup, nothing uploaded. Specs, steps and store sizes.
Alternatives & comparisons
- BrandBird alternative: 3D mockups and videos, freeA BrandBird alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
- Device Frames alternative: 3D mockups and videos, freeA Device Frames alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
- Mockuuups Studio alternative: 3D mockups and videos, freeA Mockuuups Studio alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
- Previewed alternative: 3D mockups and videos, freeA Previewed alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
- Rotato alternative: 3D mockups and videos, freeA Rotato alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
- Screen Studio alternative: 3D mockups and videos, freeA Screen Studio alternative that runs in your browser: 3D device mockups and promo videos, free images, no signup, nothing uploaded, fair source.
Video specs by platform
- Google Play promo video and screenshot specs (2026)Google Play wants a YouTube-hosted promo video, a 1024×500 feature graphic and 2–8 screenshots per device type. Exact specs plus a fast mockup workflow.
- Instagram Reels app demo: 9:16 specs, safe zones, formatReels want 1080×1920 vertical MP4 with key content clear of the UI overlays. The safe-zone layout, and how to make a 3D device demo for Reels in minutes.
- LinkedIn video specs 2026: sizes, length and a demo formatLinkedIn video specs — 16:9, 1:1, 4:5 and 9:16 at up to 1080p, under 15 minutes, 5 GB — and a device-mockup demo format that works in a B2B feed.
- TikTok app demo video: specs, safe zones and a mockup formatTikTok specs (9:16, 1080×1920, MP4/MOV) plus the safe-zone layout and a fast device-mockup format that reads as native, not as an ad.
- X (Twitter) video specs and a 15-second product demo formatX video specs for 2026 — 1920×1080, 16:9 or 9:16, under 140 seconds, MP4 H.264 — plus how to make a device-mockup demo that stops the scroll.
- YouTube Shorts app demo: specs, length limits and formatShorts specs — 9:16 at 1080×1920, up to 3 minutes, MP4 — and how to make a 3D device demo that also works as the first seconds of a longer YouTube video.