WB Meter: Kelvin & Tint
White balance for filmmakers
Only for iPhone
Free
iPhone
Point, measure, shoot. Kelvin and tint of any room, burned into a geotagged photo. The fastest way to document light on a location scout.
WB Meter measures the colour temperature (Kelvin) and green/magenta tint of the light with your iPhone's main camera and documents it in one tap.
Made for filmmakers, photographers and gaffers on location scouts, event and wedding shoots: walk through every room, take a photo, and you know exactly which white balance to dial into your camera.
SPOT: THE ACCURATE WAY
Fill the centre circle with a grey card. The app adjusts the white balance until the card is perfectly neutral, just like a custom white balance on a cinema camera, and converts the result with the camera's built-in colour calibration.
AUTO: THE QUICK WAY
A live reading of the whole frame, based on the iPhone's automatic white balance.
DOCUMENT IT
• Lock the reading, frame the room, shoot.
• Kelvin, tint, mode and time are burned into the photo.
• Location is saved with every photo, so your scout shows up on the map in Photos.
• Optional copy in Files, named by date, Kelvin and tint.
• Volume buttons and Camera Control work as a shutter (iOS 18 or later).
SIMPLE AND PRIVATE
No account, no ads, no in-app purchases, no tracking. Nothing leaves your iPhone.
Tint is shown on the Adobe DNG scale (±150) or as Δuv. Cinema cameras use their own tint scales, so treat tint as direction and amount.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Gillian Scharf, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gillian Scharf
- Size
- 1.1 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Gillian Scharf
