Lens Pattern vs FREED Tracker

Grid Professional Test Patterns for Camera Calibration Turn your iPad, iPhone, or Apple TV into a precision test pattern generator for camera and lens analysis. Lens Pattern displays pixel-accurate test charts directly on your device screen — no printed charts, no extra hardware. Perfect for camera calibration, lens quality testing, color grading verification, and production monitoring. INCLUDED TEST PATTERNS: Markers & Calibration • Grid Tags — AprilTag marker grid with adjustable tag size and start ID, ideal for camera calibration and spatial tracking Color & Exposure • SMPTE Bars — Standard SMPTE EG-1-1990 color bars • SMPTE 303M — HD color bars with PLUGE and Y-ramp zones • EBU Bars — EBU Tech 3325 color bars (75% and 100%) • ColorChecker — Classic 24-patch color reference chart • Color Scales — R/G/B/C/M/Y/W gradient ramps with percentage markers • Clipping — Shadow and highlight clipping test (1% steps) with stepped ramp • Grayscale — 21-step grayscale ramp with percentage labels Geometry & Focus • Crosshatch — Grid pattern for distortion analysis • Checkerboard — Black/white checkerboard for resolution testing • Caro — Diamond pattern (45° rotated checkerboard) • Dot Grid — Uniform dot array for distortion measurement • Siemens Star — Resolution target for sharpness evaluation • Focus Chart — Comprehensive focus and resolution target Timing & Animation • Motion Test — Moving bars for rolling shutter and motion blur analysis • Timecode — Real-time HH:MM:SS:FF display at 60fps • Flicker — Adjustable frequency flicker (0.5–30 Hz) KEY FEATURES: • Full-screen, pixel-perfect rendering on any screen size • Physical dimensions in millimeters displayed on iOS devices

FREED Tracker replaces an external FreeD motion tracker with your iPhone or iPad. Stream real-time position and rotation over UDP in industry-standard FreeD format to your virtual production pipeline. Built for virtual production Connect to any FreeD-compatible receiver on your local network. Enter the IP and port, tap Start, and tracking data is sent at up to 60 FPS. Accurate tracking • ARKit world tracking for X/Y/Z position (centimeters on screen) • CoreMotion for yaw, pitch, and roll • Optional LiDAR on Pro devices for better stability • Set Zero, offsets, smoothing, and axis presets (FreeD, Unreal, Unity, Custom) Professional control • Per-axis UDP output (enable/disable what you send) • Custom axis remap including Pitch, Yaw, Roll • Live diagnostics with decoded packet values • Test Mode for validation without sensors Pro subscription Free: full app, 3 minutes UDP send per session. Pro: unlimited UDP sessions + project import/export. Privacy Tracking stays on your device and local network. No cloud tracking server. See Privacy Policy in Settings. Requires iOS device with camera for ARKit. Terms of Use: https://www.tobeproduction.com/freed-tracker-app-terms Privacy Policy: https://www.tobeproduction.com/freed-tracker-app-privacypolicy