PhenoTop provides a new method for collecting plant phenotypes in the field using tablets and smartphones. The application is used by plant breeders, agronomists, and scientists to record plants' observations in the field (open-field, greenhouse, nursery, etc). PhenoTop boosts efficiency and productivity of collecting and characterizing plant data in the field. It replaces the traditional method of pen and paper, saving much time, reducing typing errors, connecting images to trait data, and allo