What tools would you like for a (non mobile) photography toolkit app?

[KarmaEcrivain94]

Hi,
I'm currently busy developping a toolkit app for photographers and filmmakers, and I was wondering, what tools do you think would be useful? For the moment I only have a color temperature scale...

 

[Guytronic]

An exposure chart tied to a light meter.
Or just a calculator like this one:

 

[KarmaEcrivain94]

An exposure chart tied to a light meter.
Or just a calculator like this one:

View attachment 100848

Cool I'il look into it.