Illuminate Your Life with Photometer PRO


We all desire more light in our lives, but how much is too much? And how little is not enough? That's where Photometer PRO comes into play.

What is Photometer PRO?


Our lux light measurement app, Photometer PRO, allows you to measure the brightness of your environment, ensuring you have the perfect amount of light for every situation.

👉 Who Can Benefit from Photometer PRO?


Whether you're:



  • A construction worker comparing light levels after switching from Halogen bulbs to LEDs.

  • A flower hobbyist ensuring each plant receives the right amount of light.

  • A biology teacher demonstrating photosynthesis.


Photometer PRO has got you covered!

✅ Increase Your Productivity


Whether you're a lighting designer, architect, electrician, or working from your home office, use the app to measure light levels and optimize lighting conditions. This can enhance productivity and the visual appeal of your projects.

✅ Improve Your Plant's Growth


For horticulturists, greenhouse owners, or anyone who loves a little indoor jungle, our app's PPFD calculator helps determine optimal light levels for plant growth, creating ideal conditions.

✅ Save Energy


Photometer PRO assists homeowners, business owners, and lighting professionals in selecting the right light bulbs and fixtures, reducing energy consumption and promoting sustainable living.

✅ Improve Your Health


Proper exposure to light can significantly reduce stress and burnout. It also plays a vital role in regulating the body’s biological clock and hormone functions, such as melatonin.

👉 Features of Photometer PRO


With high-accuracy light measurement, you can trust that your readings are precise. The app allows you to export measurements to a CSV file, enabling professional data handling. Key features include:



  • High-accuracy light measurement

  • Export measurements (lx, fx, W/m²) to CSV

  • Lux and Foot-candle units

  • Records minimum, average, and maximum brightness

  • Full light sensor information & calibration

  • Measure indoors & outdoors

  • Compare room brightness levels

  • Light meter for experiments

  • Test flashlights and other lighting equipment

  • Setup projector screens

✨ Modules Available



  • Light Map: Create a light map of your interior to check if your home is adequately lit.

  • Photovoltaics: Measure light volume and create real-time graphs to improve electricity production.

  • Photography: Measure exposure, lux/foot-candle, f-number, shutter speed, and ISO sensitivity.

  • Greenhouse: Measure and calculate supplemental light in your greenhouse or indoors.

  • Aquarium: Determine the adequate amount of light needed for your aquarium plants.

  • RGB: Measure color temperature (R, G, B) and lux using your smartphone's camera.

✨ Calculators Included



  • Greenhouse module with PPFD calculations

  • PPFD Calculator

  • Lux to Lumen Calculator

  • Lumen to Lux Calculator

  • Lux to Candela Calculator

  • Candela to Lux Calculator

✨ Other Benefits



  • Supports multiple languages

  • Smart, minimalistic, and intuitive user interface

  • Dark Mode for comfortable viewing

  • Instant start and excellent performance

  • Insights and knowledge base for users

  • Ready for professional and productive use

  • Closed beta group for PRO users

💡 Join the Photometer PRO Community


Photometer PRO is a project with a bold vision: to provide free and open access to light measurements and knowledge to everyone worldwide.


Learn more: Photometer PRO