App Mockup Studio vs Mermaid Viewer

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

App Mockup Studio compared with Mermaid Viewer
Detail	App Mockup Studio	Mermaid Viewer
What it does	Free App Store and Google Play screenshot generator with customizable templates and device frames	Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: no cost with 3 projects, 5 slides per project, standard resolution export. Pro Monthly: $3.99/month with unlimited projects and slides, no watermark exports, cloud sync. Pro Yearly: $29.99/year with everything in monthly plus full ASO studio access, priority export rendering, and team collabor	Free: unlimited editor and preview, 3 saved diagrams, 5 AI uses total, PNG export 1× with watermark. Starter: $6.99/month or $69.90/year; 30 saved diagrams, 500 AI conversations per month, PNG export up to 4× without watermark. Pro: $11.99/month or $119.90/year; unlimited diagrams, unlimited AI, PNG
Key features	3D Device Mockups for iPhone, iPad, and Android devices Customizable panoramic backgrounds across multiple slides Professional app store screenshot templates Advanced typography and color controls High-resolution export for App Store and Google Play App Description Generator with ASO copy Feature Graphic Creator for Google Play App Icon Generator with size formatting Cloud sync and project management Metadata Counter for store character limits	Live preview of Mermaid code as you type AI diagram generator, editor and syntax fixer PNG export on every plan; JPG, SVG and PDF on Pro All 22+ Mermaid diagram types supported Share diagrams via public links and embeds Save diagrams to cloud with folders and version history Keyboard shortcuts and autocomplete Mobile-responsive editor with pan and pinch-zoom
What makes it different	Free to use without sign-up for basic features Supports all major app stores and device sizes Fast export with automatic multi-device sizing Complete ASO studio combining screenshots, icons, graphics and metadata	No account or sign-up required to start editing diagrams Affordable pricing: Starter at $6.99/month, Pro at $11.99/month Diagrams render in your browser; nothing stored unless you choose to save Fast editor with instant rendering and clear error messages
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 −1 (down) since last check	6 +1 (up) since last check
Trust Flow (Majestic)	5	3
Citation Flow (Majestic)	15	23
Referring domains (Majestic)	15	12

5 details filled in for both companies.

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