Photo Tools Photo Assistant is a free Android app designed for photographers. Developed by tsMobileApps, this app is a one-stop-shop for all your photography needs. It includes a wide range of features such as an Exposure meter, Time-lapse calculator, Depth of Field, Field of View, Golden Hour, White Balance, and Color calibration.

With Photo Tools, you can easily calculate the exposure settings for your camera based on the surrounding light conditions. The Time-lapse calculator allows you to calculate the interval between shots to create a perfect time-lapse video. The Depth of Field feature helps you to determine the focal point and the amount of sharpness in your image. The app also includes the Field of View feature that helps you choose the right lens for your camera.

Additionally, the app also has the Golden Hour feature that helps you to determine the perfect time for outdoor photography. The White Balance and Color calibration features ensure that your images are color-accurate.

Overall, Photo Tools Photo Assistant is a must-have app for photographers. It is free, user-friendly, and packed with features that make photography a breeze.