Light Meter - FilmBox
by 卓 朱
· Photo & Video
· Free
On the App Store since January 2026
· Data updated
Light Meter - FilmBox is made and published by 卓 朱. AppBrain is an independent app data site and isn't affiliated with 卓 朱. The app name, icon, screenshots and description belong to 卓 朱 and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 3.60
- 5 ratings
- Last updated
- October 24, 2026
It doesn't have enough ratings yet to judge what users think.
Rankings
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Releases
Updates seen on the App Store- Version
- 1.8.0
- Launched
- January 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 46.5 MB
- Content rating
- Everyone
Technologies used by Light Meter - FilmBox
About the app and developer
About Light Meter - FilmBox
Light Meter - FilmBox is a photo & video app developed by 卓 朱.
User Ratings
Light Meter - FilmBox is rated 3.60 out of 5 stars. The rating is based on 5 ratings.
App Information
Light Meter - FilmBox is freely available from the App Store. The app size is 46.50 MB. The latest version available is 1.8.0. The last update was on October 24, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since January 2026.
Developer information for 卓 朱
Address:
Store listing
By 卓 朱, from the App Store
Screenshots by 卓 朱, from the the App Store listing
Description by 卓 朱 Written by the developer, not by AppBrain. Click to read.
FilmBox Toolkit
Shoot film with greater confidence.
From exposure decisions and manual focusing to long-exposure compensation and photo notes, FilmBox Toolkit brings essential film photography tools together on your iPhone. Make informed choices before you press the shutter.
ZONE SYSTEM METERING
Visualize readings from different areas of your scene using Zone System principles. Compare highlights and shadows, decide which details to preserve, and adjust your exposure. Built for situations where careful exposure control matters.
FREE TOOLS
• Light Meter (basic mode): Evaluate ambient light and get exposure settings to work from.
• LiDAR Rangefinder (up to 1 meter): Estimate subject distance to assist manual focusing and flash calculations. Requires compatible hardware.
• Flash Calculator (GN): Calculate settings from the guide number for shooting without TTL.
• Depth of Field Calculator: Estimate your focus range and hyperfocal distance.
• Reciprocity Failure Compensation: Calculate long-exposure adjustments based on your selected film.
• Shutter Speed Test: Help check your camera's shutter speed and assess its performance.
• Negative Viewer: Use the camera to preview negatives as positive images and inspect their contents. For previewing only; not a replacement for professional scanning or post-processing.
• Gear Library & Photo Log: Organize film stocks, flashes, and preferred settings, and keep shooting notes for later reference.
FREE & PRO
FilmBox Toolkit is free to download. All features are free except the three Pro features below. Free features include manual input for Zone System metering, basic light metering, rangefinding up to 1 meter, the Shutter Speed Test, and the Negative Viewer.
FilmBox Pro unlocks:
• Zone System metering: real-time light readings.
• Light Meter: 1-degree spot metering mode.
• Rangefinder: distance measurements beyond 1 meter.
Choose either:
• A one-time lifetime purchase.
• An annual subscription with access during the subscription period.
See the in-app purchase screen for current pricing and purchase terms.
DEVICE COMPATIBILITY
• Standard SDR metering: Compatible iPhones running iOS 17 or later.
• Apple Log metering: Uses 10-bit Apple Log data. Supported on iPhone 15 Pro/Pro Max, 16 Pro/Pro Max, and 17 Pro/Pro Max. The app selects the appropriate mode for your device.
• LiDAR rangefinding: Requires a LiDAR-equipped iPhone: Pro and Pro Max models in the iPhone 12, 13, 14, 15, 16, and 17 families.
Devices without Apple Log or LiDAR can still use other compatible features. Hardware support and Pro access are separate requirements.
PRIVACY
Metering, depth of field, and other calculations run locally on your device. We do not collect or upload your personal data.
Privacy Policy: https://www.filmboxtoolkit.com/privacy.html
TERMS OF USE
This app is licensed under Apple's standard End User License Agreement (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Shoot film with greater confidence.
From exposure decisions and manual focusing to long-exposure compensation and photo notes, FilmBox Toolkit brings essential film photography tools together on your iPhone. Make informed choices before you press the shutter.
ZONE SYSTEM METERING
Visualize readings from different areas of your scene using Zone System principles. Compare highlights and shadows, decide which details to preserve, and adjust your exposure. Built for situations where careful exposure control matters.
FREE TOOLS
• Light Meter (basic mode): Evaluate ambient light and get exposure settings to work from.
• LiDAR Rangefinder (up to 1 meter): Estimate subject distance to assist manual focusing and flash calculations. Requires compatible hardware.
• Flash Calculator (GN): Calculate settings from the guide number for shooting without TTL.
• Depth of Field Calculator: Estimate your focus range and hyperfocal distance.
• Reciprocity Failure Compensation: Calculate long-exposure adjustments based on your selected film.
• Shutter Speed Test: Help check your camera's shutter speed and assess its performance.
• Negative Viewer: Use the camera to preview negatives as positive images and inspect their contents. For previewing only; not a replacement for professional scanning or post-processing.
• Gear Library & Photo Log: Organize film stocks, flashes, and preferred settings, and keep shooting notes for later reference.
FREE & PRO
FilmBox Toolkit is free to download. All features are free except the three Pro features below. Free features include manual input for Zone System metering, basic light metering, rangefinding up to 1 meter, the Shutter Speed Test, and the Negative Viewer.
FilmBox Pro unlocks:
• Zone System metering: real-time light readings.
• Light Meter: 1-degree spot metering mode.
• Rangefinder: distance measurements beyond 1 meter.
Choose either:
• A one-time lifetime purchase.
• An annual subscription with access during the subscription period.
See the in-app purchase screen for current pricing and purchase terms.
DEVICE COMPATIBILITY
• Standard SDR metering: Compatible iPhones running iOS 17 or later.
• Apple Log metering: Uses 10-bit Apple Log data. Supported on iPhone 15 Pro/Pro Max, 16 Pro/Pro Max, and 17 Pro/Pro Max. The app selects the appropriate mode for your device.
• LiDAR rangefinding: Requires a LiDAR-equipped iPhone: Pro and Pro Max models in the iPhone 12, 13, 14, 15, 16, and 17 families.
Devices without Apple Log or LiDAR can still use other compatible features. Hardware support and Pro access are separate requirements.
PRIVACY
Metering, depth of field, and other calculations run locally on your device. We do not collect or upload your personal data.
Privacy Policy: https://www.filmboxtoolkit.com/privacy.html
TERMS OF USE
This app is licensed under Apple's standard End User License Agreement (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/