The short version
Previewed is a scene/preset builder — you choose a curated scene (phone on a desk, phone beside a plant, phone mid-air) and drop your app screen into it. Strong for social media and marketing imagery. Moderate for App Store submissions.
Nuvex is purpose-built for App Store and Google Play submissions. It generates the full design (headline, palette, composition, typography) for each frame and exports every required store dimension.
Many teams use both: Previewed for social imagery, Nuvex for App Store assets.
Feature-by-feature
| Feature | Nuvex | Previewed |
|---|---|---|
| Primary purpose | App Store submission | Preview scenes for social & marketing |
| AI composition | Full per-frame | Curated scene library |
| AI-written headlines | Yes | Manual |
| Per-frame natural-language refinement | Yes | Manual edit layers |
| Scene / environment library | AI-generated backgrounds | Extensive curated scenes |
| Required App Store sizes auto-exported | Every size | Single image |
| Google Play feature graphic (1024×500) | First-class | Not a first-class output |
| Social-media exports (Instagram, Twitter) | Not the focus | Multiple social sizes |
| Free tier | 6 credits, no card | Free with watermark |
| Output watermarks | None, any plan | Watermark on free |
When to pick Previewed
- You need marketing mockups for social media, blog posts, or landing pages
- You love the curated "phone in a scene" aesthetic
- You want rapid variations across multiple social formats (Instagram, Twitter, LinkedIn)
When to pick Nuvex
- You're preparing actual App Store Connect or Google Play Console uploads
- You want listing-quality AI-designed screenshots, not preview scenes
- You want all required store dimensions exported automatically
- You want the 1024×500 feature graphic as a first-class output
- You want AI-written headlines and composition per app
Other comparisons
vs AppScreens
Full AI vs AI-assisted templates. Read →
vs Launch Shots
AI composition vs polished templates. Read →
vs Screenshots.pro
AI vs template fill-in. Read →
vs Picasso
Two AI tools compared. Read →
vs AppMockUp
AI composition vs mockup templates. Read →
vs AppLaunchpad
AI composition vs template editor. Read →
All alternatives
Full market map. Read →
Try Nuvex free — 6 credits on sign-up
Generate a full App Store-ready set in 30 seconds. No credit card.