I’ve made this app for real old school photographers or advanced amateurs shooting analog photography. I always give the first version for free without limitations, but improvements, new features and users requests are only made for the paid version. For the price of a soda you will support hundreds of hours of work and will get more features and improvements.
LightMeter’s reflected light meter only works with devices that are able to save exif data. Incident light meter should work on any device, but it is usually insufficient for real photographers.
Be advised that the precision and quality of this and all phone light meters is limited by the device itself. I recommend using the reflected light option, the precision can be really good. Read more and get app