Get the most out of your home theater, without hiring a professional. Home Theater Calibration turns your Apple TV 4K into a complete audio and video calibration suite, with the tools used by AV enthusiasts and installers packed into a premium, easy-to-use app.
Download on theApp StoreMost TVs, A/V receivers, and soundbars come out of the box with settings that degrade image quality and ruin spatial audio immersion. The Home Theater Calibration Toolbox gives you the exact diagnostic patterns professionals use to fix overscan, map HDR tone curves, and perfectly phase-align your entire surround sound stage.
Unlock the true potential of your high-end home theater with the Home Theater Calibration Toolbox. Engineered exclusively for the Apple TV 4K, this premium utility bypasses OS restrictions to deliver mathematically pure, 1:1 pixel-perfect video patterns and uncompressed spatial audio test signals directly to your gear. Whether you are dialing in an OLED's HDR tone curve, stress-testing a Mini-LED's local dimming zones, or phase-aligning a discrete Dolby Atmos surround system, you get the exact diagnostic tools professionals rely on. Ditch the expensive physical test discs and heavily compressed streaming videos, stop guessing at your settings and ensure your system looks and sounds exactly as the director intended.
100% Private. Zero Tracking.
Your data is your business, not mine. No accounts, no analytics, no tracking. Preferences stay on your device.
The Home Theater Calibration Toolbox is in active development. If there is a specific spatial audio routing test, luma pattern, or feature you want to see added in the next update, drop me a line!
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