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FAQ

Common Questions

Yes, 100%. Lighting Toolbox works completely offline with no internet connection required. All calculations run locally on your device. No data is sent anywhere.
One-time purchase. Pay once and own it forever. No subscriptions, no recurring charges, no in-app purchases. All future tool updates are included.
The CCT Meter provides approximate readings (±300K) using the McCamy formula with a 12-frame rolling average. Phone cameras apply automatic white balance which affects accuracy. For precise measurements, use a dedicated colour meter. The CCT Meter is best for quick reference and relative comparisons.
Yes. The Power (Voltage Drop) tool supports both mm² and AWG cable sizing with a toggle switch. AWG sizes 14 through 1/0 are available, mapped to mm² per ASTM B 258. Results show the cable area and nearest equivalent in the other standard.
Refunds are handled by the App Store or Google Play, not by us directly. You can request a refund through Apple at reportaproblem.apple.com or through Google Play within the refund window.
The app is built with React Native and supports both iOS and Android. Check the Google Play Store for availability. You can also use the free web version at apps.radatti.com.au/lightingtoolbox which works on any device with a browser.
No. Zero data collection. No analytics, no tracking, no accounts, no cookies. The camera is used only for the CCT Meter and images are never saved or transmitted. See our Privacy Policy for full details.
Troubleshooting

Common Issues

CCT Meter shows "Camera permission required"
Go to your device Settings → Lighting Toolbox → toggle Camera to On. The app needs camera access for the CCT Meter and Lux Meter tools.
CCT readings seem inaccurate or drifting
This is a known limitation of phone cameras. Automatic white balance actively corrects colour temperature, causing readings to drift. Point the camera at a white or neutral grey surface for the most stable results. The CCT Meter is best for quick reference rather than precise measurement.
Voltage drop shows red warning
A red warning means the calculated voltage drop exceeds 5%, which is above the recommended limit for most installations. Try increasing the cable size or reducing the cable length. The tool also shows the maximum safe length for your configuration.
App not updating to latest version
Open the App Store → tap your profile icon → pull down to refresh → find Lighting Toolbox and tap Update. If automatic updates are enabled, it should update on its own.
Get in Touch

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Got an idea for a new tool?

We're always looking to add tools that production professionals actually need. Use the form above and select "Feature Request" — we read every message.