Horrible - doesn't sync
Don't Waste your time -rarely does it sync with Fitbit app as advertised
Update
The recent update will not install. Yes I have a later version of IOS that Apple requested you to not support any more.

Effortlessly log recurring activities, food, water intake, sleep, and weight changes with a single tap. This app simplifies data entry for your fitness tracker, saving you time and hassle.
1.5
September 13, 2016
This app has been updated by Apple to display the Apple Watch app icon. - Fixed some layout issues
MoreFitTap Free is a mobile application designed to simplify the process of logging recurring activities, food, water intake, sleep, and weight changes for users of Fitbit devices. It allows for quick entry by tapping icons.
FitTap Free integrates with your Fitbit account to log activities, food, water, sleep, and weight data. This streamlines the data entry process, making it easier to keep your Fitbit data up-to-date.
You can log a variety of recurring activities such as morning jogs, gym sessions, or even daily water consumption. The app allows you to set up these activities once and log them with a simple tap.
Based on the provided data, FitTap Free is supported on iPhone and iPod devices. It is not specified if Android or other platforms are supported.
The latest version of FitTap Free is 1.5, which was last updated on September 13, 2016. This indicates that the app has not received updates in several years.
FitTap Free has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content.
Yes, the description explicitly states that the free version of FitTap contains ads. Users should expect to see advertisements while using the application.
The free version of FitTap is limited to logging a maximum of 4 simultaneous tags. It also contains advertisements, as noted in the application's description.