Smart GreenScreen vs LightMeter Express

Smart GreenScreen is a professional chroma key app for macOS and iOS with tracking markers, overlay support, and high-resolution PNG export. It replaces a selected background color (for example green) with another color and helps with camera tracking, livestreams, conferencing, and studio production workflows. Core Features Greenscreen / Chroma Key • Replaces a background color with another color in real time. • Adjustable RGB and brightness for both background and marker colors. • 25 color presets for fast setup. • “Slider for marker” toggle: sliders can control either background or marker color. • Tab key toggles greenscreen on/off (black when off). • Overlay image with alpha support (PNG transparency). Tracking Markers • 4 marker types: 1) Cross 2) Triangle target 3) Checkerboard circle 4) Circle+Cross • Up to 12 markers simultaneously. • Adjustable marker size (3–25% of screen). • Adjustable stroke width for cross-style markers (2–12). • Invert option for better visibility. • Add, move, and delete markers with dedicated modes and clear visual mode indicators. • Default marker color is black on first launch for strong contrast on green backgrounds. Overlay Tools • Collapsible Overlay section in Settings. • Base overlay image: Load/Remove PNG with transparency. • Floating PNG overlays: import multiple transparent PNGs, place them freely on screen, and position them like markers. • Floating overlays can be moved and deleted using the same Move/Delete workflow as markers. • Dedicated delete action for the overlay image. High-Resolution PNG Export (Unique Feature) • Export the current greenscreen scene as PNG, including markers and overlays. • Preset export sizes from HD up to 8K. • Custom pixel size input for any workflow. • iOS export options: • Share sheet export (AirDrop, Messages, Mail, etc.) • Save to Files / iCloud • macOS export via native save dialog. • Great for VFX planning, camera-tracking references, scene setup docs, and still frame delivery. Keyboard Features (iOS) • Optional on-screen keyboard for blind typing on the greenscreen. • “On marker tap only” mode: keyboard appears when tapping a marker, hides with Enter. • Optional clean typing mode with reduced suggestion/autocorrect distractions. • External keyboard support with Tab toggle behavior matching macOS. Menu Access • macOS: Shift+Click or Cmd+M. • iOS: 3-finger tap (always available), configurable multi-tap (3–10), or long press. Settings & UX • Save & Load Greenscreen Presets • Auto-saved settings. • Reset to defaults. • Collapsible sections for clearer navigation (Colors, Marker, Overlay, Keyboard Setup, Presets, Export). • Consistent icon-based controls and improved spacing for fast operation during production. Technical Details • Built with SwiftUI. • Localization: DE, EN, ES, FR, IT, JA, PT, RU, ZH. • Settings stored as JSON in Application Support. • macOS: window + fullscreen, optional auto-hiding title bar. • iOS: fullscreen layout optimized for notch and different screen sizes. Target Audience • Video production / post-production • Livestreaming • Video conferencing • Camera tracking with greenscreen backgrounds • Presenters and performers using marker-based typing workflows

LightMeter Express - Professional Camera Tool Transform your iPhone into a precision light meter for film and digital photography. Get accurate exposure readings with an intuitive interface designed for photographers who demand professional-grade metering capabilities. CORE FEATURES (FREE): • Real-time light metering using your device's camera • Precise aperture, shutter speed, and ISO calculations • Support for all standard camera settings • Clean, professional interface optimized for quick readings • Exposure value (EV) display with compensation controls • Camera settings reference for popular film and digital cameras • Works in any lighting condition your camera can see • Intuitive haptic feedback with "full-stop" detents for exposure drag gestures PERFECT FOR: • Film photographers seeking accurate meter readings • Digital photographers wanting precise exposure control • Studio and outdoor photography • Learning proper exposure techniques • Backup metering when your camera's meter fails PRO FEATURES (One-time $0.99 purchase): • **Spot Metering** - Professional spot metering with zoomed preview for precise exposure readings from specific areas of your scene. Drag to reposition, tap to meter. Works best on iPhones with telephoto lenses for maximum precision • Custom Step Increments - Choose between 1/3, 1/2, or full stop increments for all exposure parameters to match your camera and shooting style • Live Histogram - Real-time histogram display with RGB channel analysis for precise exposure evaluation and highlight/shadow monitoring • Preview Compensation - See exposure compensation effects directly in the camera preview to visualize over/under exposure before shooting • Custom Limits - Set personalized aperture, shutter speed, ISO, and exposure compensation limits to match your specific camera gear and preferences • Black & White Preview - Turn the camera preview into a grayscale image for helping with B&W photography The free version provides full light metering functionality suitable for most photography needs. Pro features add advanced customization and analysis tools for professional and enthusiast photographers. TECHNICAL NOTES: • Requires camera access to function as a light meter • All processing happens locally on your device • No internet connection required • Compatible with iPhone • Spot metering optimized for devices with multiple camera lenses PRIVACY: Light Meter respects your privacy. Camera data is processed locally and never stored or transmitted. No personal information is collected.