App Preview Video Generator

Simulator Screen Recorder & AI

Only for Mac

Free · In‑App Purchases

Mac

Turn your iOS Simulator into a polished AI demo video — automatically. GPT-4o writes the script, generates voiceover narration, and exports to App Store, TikTok & more. Turn your iOS Simulator into a polished, AI-narrated demo video — in minutes, not hours. App Preview Video Generator is the Mac app built for developers, founders, and indie makers who need to ship demo videos fast. Record your iOS app in Xcode Simulator, and let GPT-4o analyse every screen, understand your flow, and write a professional narration script — automatically. No video editing skills required. WHO IT'S FOR • Indie developers launching on Product Hunt or the App Store • Startup founders creating investor pitch videos • App marketers producing App Store preview trailers • DevOps teams recording tutorials and onboarding walkthroughs • Content creators making app review videos for TikTok, YouTube, or LinkedIn HOW IT WORKS 1. Open any iOS Simulator in Xcode 2. Hit Capture — the app records the screen and tracks every tap 3. GPT-4o analyses each screen and writes a narration script 4. AI voice narration is generated automatically (Pro) 5. Edit, preview in real-time, and export anywhere EXPORT TO EVERY PLATFORM Purpose-built presets for every destination: • App Store Preview (886×1920) • Product Hunt (1270×952) • TikTok (1080×1920) • LinkedIn (1920×1080) • Twitter / X (1280×720) • MP4 HD (1920×1080) • Animated GIF (640×1138) WHAT MAKES IT DIFFERENT AI that actually understands your app GPT-4o doesn't just record pixels — it reads your UI, understands the user flow, and writes narration that makes sense. Each screen is analysed individually, so every line of the script is relevant. Six narration tones Match your demo to your audience: Startup Launch, Tutorial, Enterprise, Investor Pitch, Fun & Playful, or Accessibility. One recording, six different voices. Cinematic zoom Automatically zooms into every tap so viewers never miss the action. Looks like a professional editor spent hours on it. Tap highlight effects Choose from Ripple, Pulse, or Dot styles. Visual indicators follow every interaction — clean, clear, and satisfying to watch. Logo branding Add your logo to any corner of every export. Ship demos that look like they came from a marketing team. Custom backgrounds Solid colours, gradients, or a device frame — match your brand or keep it minimal. Captions with 8 fonts Burned-in subtitles with Helvetica, Arial, SF Pro, Futura, Georgia, Impact, Typewriter, or Menlo. Position them bottom, top, centre, above or below the simulator. Background music (Pro) Five royalty-free tracks: Lo-Fi Groove, Hip Hop, Latin, Night Sky, and Ambient. Welcome scene Add an intro card with Image Top, Image Left, or Text Only layouts. Real-time preview See exactly how your export will look — captions, zoom, background, branding — before you render a single frame. AI script optimiser Not happy with a line? The AI can rewrite individual narration segments with suggestions for improvement. FREE vs PRO Free plan includes: • Record iOS Simulator • AI screen analysis with GPT-4o • Auto-generated narration script • HD MP4 video export • 2 AI demo generations per month Pro unlocks: • Unlimited AI demo generations • AI voice narration • Cinematic zoom effects • All export formats (App Store, TikTok, LinkedIn, Twitter, GIF) • Background music • Priority generation $9.99/month · $79.99/year (save 33%) Subscription auto-renews. Cancel any time in System Settings. PRIVACY & LEGAL Your recording never leaves your Mac. The app sends individual screen frames to OpenAI for analysis only — never your full video. Screen Recording permission is required to capture the Simulator. Privacy Policy: https://smilepineapple.github.io/demoflow-ai/privacy Terms of Use (EULA): https://smilepineapple.github.io/demoflow-ai/terms Support: https://smilepineapple.github.io/demoflow-ai/support

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Welcome to App Preview Video Generator 1.0! • AI-powered screen analysis with GPT-4o • Automatic narration script generation • Six narration tones for any audience • Cinematic zoom and tap highlight effects • Export to App Store, TikTok, LinkedIn, Twitter, and more • Logo branding overlay • Custom backgrounds: solid, gradient, or device frame • Captions with 8 font choices and 5 positions • Background music with 5 royalty-free tracks • Welcome scene with intro card layouts • AI script optimiser for per-segment rewrites • Real-time preview before export Record your iOS Simulator, let AI write the script, and ship a polished demo video in minutes.

Version 1.0.2

The developer, Jacob Dale-Rourke, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Jacob Dale-Rourke
    Size
    26.4 MB
    Category
    Developer Tools
    Compatibility
    Requires macOS 14.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    • DemoFlow AI Pro — Annual $79.99
    • DemoFlow AI Pro — Monthly $9.99
    • Learn More
    Copyright
    © 2026 Jacob Dale-Rourke
  • Developer Website
  • Privacy Policy

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