It really helps me to manage my time effectively by giving all of my appointments at one place and it also saves them for future reference as well.
I like that every appointment has its own page where i can view before hand what will be discussed there along with any notes or reminders which makes things easier than having separate pages each time we meet up. The interface could have been better but thats not something major since everything works fine otherwise! Its actually very helpful tool especially when dealing with clients who are hard tasking sometimes.