FotoTool – Guides and photographic tips and tricks

[App] FotoTool – Photographer Tools


  FotoTool is a free application that contains several useful tools for both amateurs and professional photographers.

With the help of your feedback and user needs, we will add new features and guides to help for different shooting situations. All this without having an internet connection. If you need Photo Tools this is your app!!

In addition, FotoTool has a youtube channel and a blog with various tutorials, guides and photographic tips and tricks.

Gradually we will add more features based on the comments and user requests.


NIGHT MODE Feature (works better in donate version without ads)
Database with 3800+ cameras
Parameters and values ​​of flash
Calculation of stellar traces (startrails)
Calculation of exposure value (EV)
Comparison between different exposures
Calculation of long exposures
Calculations for night shots and BULB mode
Calculation of overall exposure
Calculation of Reciprocity Failure (Schwarzschild’s coefficient)
Calculations for Timelapses
Moon Phase Calendar
Moon/Sun Rise & Set Calendar
Planner: Blue Hour, Golden Hour and Magic Hour
Neutral Density Filters (ND)
Depth of field (DOF)
Bokeh and Depth of field (BOKEH – DOF)
Angle and field of View (DOF – FOV – AOV)
Print resolution and DPI calculations
Built-in flashlight function to aid night or low light situations
Stopwatch function built for photography in BULB/Manual mode.
Notepad feature within app.
Connection to tutorials and help in our Youtube channel and FotoTool’s Blog.

We have invested a lot of time developing FotoTool, and we keep doing it to improve it even more. If you liked the free FotoTool app, help us to keep updating it with more calculations and stuff.

Wanna help us? Buy the AD-FREE feature!!! Retains all the features and calculations of the free app, with the advantage of removing all advertising and a better Nocturnal Mode without ads.

FotoTool user reviews :

Came across this while searching for a light meter – this isn’t one (as I found out) but a tool for calculating exposure times based on pictures you’ve just taken (so also primarily for digital cameras). Has useful bokeh and startrail calculators…but my search must continue.

Tried others but this is the best. It’s comprehensive without being complicated.

Almost perfect! If focal distance is a fraction (say .015ft), it would improve usability a lot to just convert that to inches

Does everything I expected. I wanted an app to help calculate exposure values and shutter times and this app amply covers that plus a few more features. the upgrade price to the ad free version was dirt cheap so why not? Thanks for a well done app!

Has many useful functions. Uses meters but my lens is marked with meters so that is good. The depth of field function works great. This is going to be going to be great.

This is a wonderful app for helping you know the correct settings to use in different situations. There’s a nice help area as well to help you understand why you’re using the various settings on your camera for whatever type of photo You’re attempting to take.

All in one with a great simple user interface. So many great features like Bokeh and DOF, Long Exposure Calculator with ND filter, Sun and Moon, Startrails to mention a few… Excellent in-app help on each menu item. Ads do NOT seem to be intrusive.

This app has a lot of good features, but is missing (or I just couldn’t find) a field of view calculator. Kind of a shame because everything else is handled quite nicely. But I was specifically looking for FOV.
  • Alf Bishop
  • Hello Richard! The FOV calculations are included at the bottom part of the DOF section ;) Regards!!
Seems intuitive… Will update review when I try nd values in the field but I notice there is always a message saying “calc. Failure of reciprocity” in the results box. What does this mean?
  • Alf Bishop
  • Hello Den! If you don’t use analog film you don’t have to worry about it. In photography reciprocity is the inverse relationship between the intensity and duration of light that determines the reaction of light-sensitive material. It usually happens with ANALOG CAMERAS and FILMS. Info:

This is a great almost-all-in-one tool for so many photo calculations. This is clearly understandable, easy to use, and well organized. A good tool to learn different concepts and techniques.

This app is an excellent tool, and it includes a flashlight and notepad, normally two separate apps on their own.

Contact developer :


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