Comparison

Smart GreenScreen vs That Light Meter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Smart GreenScreen

Features
Read full description

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

About

That Light Meter

Features
Read full description

Capture stunning analog moments with precision and ease! That Light Meter is your ultimate companion for mastering the art of traditional film photography. Designed for both shutter priority and aperture priority mode, this app offers unparalleled control over your exposure settings and is specifically built for film, ensuring perfect exposures every time. Real-Time Light Meter Readings: Get instant exposure feedback with our intuitive light meter display. Ensure balanced exposures for natural-looking images. Why Choose That Light Meter? That Light Meter bridges the gap between analog tradition and modern digital convenience. Whether you're a seasoned film photographer or a curious beginner, this app empowers you to: Achieve Perfect Exposures: Say goodbye to guesswork; rely on That Light Meter's expert calculations for consistent results. Experiment with Confidence: Explore different exposure combinations fearlessly, knowing that LightMeter is there to guide you. Elevate Your Analog Skills: Gain deeper insights into photography fundamentals, enhancing your understanding and control over light and composition.

Screenshots

Smart GreenScreen4 screens
That Light Meter2 screens

Verdict

The call

The clearest difference is device support: Smart GreenScreen at 3 against That Light Meter's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Smart GreenScreen costs $4.99 and That Light Meter $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
Smart GreenScreen versus That Light Meter: the parameters behind the verdict, then further details
ParameterSmart GreenScreenThat Light Meter
Price$4.99$4.99
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.6 — better18.4
Further details — not scored
Size5 MB4 MB
Age rating4+4+
DeveloperStefan HollekampLSR Solutions, Inc

In-app purchases

None

Smart GreenScreen

No in-app purchases

None

That Light Meter

No in-app purchases

Questions

Is Smart GreenScreen free?
Smart GreenScreen costs $4.99, with no in-app purchases.
Is That Light Meter free?
That Light Meter costs $4.99, with no in-app purchases.
Do Smart GreenScreen or That Light Meter have ads?
Neither Smart GreenScreen nor That Light Meter shows ads.

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