Tap anywhere in the viewfinder to meter a precise point. See EV, shadow, and highlight readings at a glance.
Visualize your scene's dynamic range mapped to the Zone System. Know exactly where shadows and highlights fall.
Portra, Tri-X, Velvia, and more. Each stock's latitude and reciprocity characteristics are built in.
Manual, Aperture Priority, and Shutter Priority. Dial in your settings and let SpotMeter solve the rest.
Automatic compensation for close-focus extension and long exposures. No more mental math in the field.
Log every reading with reference photos, voice memos, GPS, and notes. Export as PDF for your darkroom records.
Last updated: February 21, 2026
SpotMeter is developed by Thomas Yokota. This policy describes how the app handles your information.
SpotMeter does not collect, transmit, or share any personal data with the developer or any third parties.
The following data is stored locally on your device and never leaves it:
You can delete this data at any time within the app or by removing the app.
The camera is used solely to meter light in real time. Frames are processed on-device and are never stored, uploaded, or transmitted.
SpotMeter contains no analytics, advertising, or tracking of any kind.
Purchases are handled entirely by Apple. The developer does not receive or store payment information.
The app does not integrate with any third-party services that collect user data.
The app does not knowingly collect information from children under 13.
Updates to this policy will be posted at this URL with a revised date.
Questions? Reach me at hello@miraisoft.io.