Comparison

PQ Calc vs Green Screen Tracker by T6FV

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

Head to head
About

PQ Calc

Easily convert luminance levels (nits) to digital values and vice versa using the SMPTE ST 2084 (PQ) electro-optical transfer function. Supports various bit depths and ranges for professional video workflows.

Highlights
  • Bi-directional conversion
  • Luminance (nit) to digital level
  • Digital level to luminance (nit)
  • Supports Full, SMPTE, SDI-Full ranges
  • Calculations in float, percent, 8-16bit
Features
Read full description

PQ Calc offers a quick and easy way to convert values along the SMPTE ST 2084 (PQ) electro-optical transfer function (EOTF). The app is bi-directional and will convert the luminance level (nit) to the digital level in Full, SMPTE, or SDI-Full range and vice versa. Calculations are available in float, percent, 8bit, 10bit, 12bit, and 16bit.   To use, enter a value in either the "Level" field or the "Nits" field and choose your range. The application will then populate the other fields simultaneously-- it's that simple!

About

Green Screen Tracker by T6FV

Features
Read full description

THE ESSENTIAL CHROMA KEY AND MOTION TRACKING DISPLAY FOR FILMMAKERS & VFX ARTISTS. Turn your smartphone or tablet into a mathematically perfect, edge-to-edge chroma key tracking surface. Whether you are an indie director shooting a sci-fi short, a post-production supervisor managing screen replacements, or a YouTube tech reviewer, achieving a clean VFX track is vital. T6FV Green Screen Tracker delivers a hyper-optimized, high-contrast tracking grid that leading compositing software, like After Effects, Premiere Pro, and DaVinci Resolve, will lock onto flawlessly. Stop wasting hours in post-production rotoscoping messy reflections or hand-drawn markers. Repurpose your devices into pre-calibrated tracking slates that guarantee a perfect planar track and 3D camera solve every time. 100% FREE. ZERO SUBSCRIPTIONS. Essential filmmaking tools shouldn't be locked behind expensive paywalls. Download it once, own it forever, and utilize unlimited motion tracking capabilities completely subscription-free. PRECISION GRID & MARKER CUSTOMIZATION Your camera setup is unique, so your tracking markers need to adapt dynamically to match your focal length and lens distortion. • Granular Density Control: Dial in the exact number of grid columns. Create a dense matrix for extreme close-ups, or a sparse grid for wide-angle background screens. • Dynamic Marker Resizing: Scale the pixel dimensions of your tracking crosses. Keep markers large enough to survive motion blur, but small enough to maintain pristine edge detail. • Auto Mark Intelligence: Moving fast on set? Hit "Auto Mark" to instantly generate the optimal, mathematically balanced grid for your specific screen resolution. ADVANCED LIGHTING & SPILL PREVENTION Stop worrying about blown-out exposures and dreaded green color spill ruining your actor's skin tones. Adaptive Contrast Blending: Seamlessly adjust marker contrast. Transition from pure black markers for bright studio lighting, to subtle, low-contrast green markers that minimize reflections on glossy surfaces. Retain maximum trackability while protecting your scene's dynamic range. IMMERSIVE EDGE-TO-EDGE DISPLAY A truly clean slate for seamless visual effects. The app aggressively hides your device's UI, battery icons, status bars, and home indicators. Your vivid green chroma background fills the entire glass surface from corner to corner. Simply tap anywhere on the screen to reveal or hide your control menu. THE T6FV ECOSYSTEM: TRY THE VIDEO PLANNER Level up your workflow before you call "Action." Try our flagship pre-production app: T6FV Video Planner. Harness the power of AI to generate scripts, build cinematic storyboards, outline content strategies, and create detailed shot lists in seconds. Plan your VFX-heavy shoot in the Video Planner, then hit the set and illuminate your Green Screen Tracker to capture perfect compositing plates. PERFECT FOR EVERY PRODUCTION • VFX Artists: Ensure clean planar tracks in Mocha and seamless solves without fighting bad keying. • Tech YouTubers: Capture blank mobile screens that can easily be replaced with custom UI recordings. • Cinematographers: Dial in exact screen brightness to avoid casting unwanted color spill onto practical props. • Indie Filmmakers: Turn any extra phone into a usable prop, so your editor can easily drop in CGI interfaces or text messages later. Eliminate post-production headaches and lock down your tracking points with absolute confidence. Download T6FV Green Screen Tracker today.

Screenshots

PQ Calc2 screens
Green Screen Tracker by T6FV4 screens

Verdict

The call

The clearest difference is price: Green Screen Tracker by T6FV at Free against PQ Calc's $4.99. Green Screen Tracker by T6FV also leads on update cadence (every 3 weeks vs every 22 months). On ads, in-app purchases, device support 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

Green Screen Tracker by T6FV is free to download; PQ Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PQ Calc ships an update every 22 months, Green Screen Tracker by T6FV every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
PQ Calc versus Green Screen Tracker by T6FV: the parameters behind the verdict, then further details
ParameterPQ CalcGreen Screen Tracker by T6FV
Price$4.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 22 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.214.0.0 — better
Further details — not scored
Size1 MB29 MB
Age rating4+4+
DeveloperAvicalT6FV

In-app purchases

None

PQ Calc

No in-app purchases

None

Green Screen Tracker by T6FV

No in-app purchases

Questions

Is PQ Calc free?
PQ Calc costs $4.99, with no in-app purchases.
Is Green Screen Tracker by T6FV free?
Green Screen Tracker by T6FV is free to download, with no in-app purchases.
Do PQ Calc or Green Screen Tracker by T6FV have ads?
Neither PQ Calc nor Green Screen Tracker by T6FV shows ads.
Which is updated more often, PQ Calc or Green Screen Tracker by T6FV?
PQ Calc ships an update every 22 months, and Green Screen Tracker by T6FV every 3 weeks. Most recently, PQ Calc was updated on November 3, 2026 and Green Screen Tracker by T6FV on October 25, 2026.

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