Optimize your grow rooms by generating YPFD and PPFD maps. Accurately calculate lighting levels for your various growth stages. Plan your upcoming rooms

Having the right light and the right amount of light in your grow room is crucial to obtaining the best yields at the lowest price.

This is where the Y factor comes in, YPF and YPFD are the counterparts of PPF and PPFD, the Y stands for 'Yield'.

YPF would for example show the amount of light that is used by your plants compared to PPF that shows the amount of light outputted by your lamp.

Our app helps you accurately calculate all of these values and more to help you achieve the perfectly balanced growing environment.

You can use this app to accurately plan the different phases of your grow using the slider in conjunction with the lamps power level to allow for exactly the right amount of light in your area for your current grow period.

Compare one lamp against another to see which is best for your room and plant type.

You can use our tool to help plan your upcoming rooms.

Using the tools provided you can achieve huge energy savings in your grow rooms helping your pocket and the environment.

If you have photo metric reports including .ies files for other horticultural lamps we will be happy to include the data in the next update.

What’s New

Version 3.2

General Enhancements

App Privacy

The developer, Budmas, 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.

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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