Not worth the time.
By the time you figure out how to use it you have to pay.
Yes, Plant Light Meter is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Plant Light Meter is free.
To get estimated revenue of Plant Light Meter app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
By the time you figure out how to use it you have to pay.