Not worth it in my opinion.
I love the idea of this device. However, the syncing part has ruined it for me. The first version of daysy wasn't compatible with my phone as it doesn't have a headphone port. So I had to patiently wait for the Bluetooth model to come out. Well the Bluetooth model is horrendous. I was lucky if I got it to sync and it took me several tries to get it to sync when it actually would go through. I was spending half my mornings just trying to sync the thing. Like I said I love the idea but the hassle and frustration that came with just trying to sync my data to the app wasn't worth it to me. I've even contacted the company to get help with it and they essentially told me everything I had already previously tried. I erased all previous data multiple times and started over with it. Now I'm trying to sell it since I spent so much money on it.