This short and diverse domain name is anything "in" style.
Delivery services, In-house care, Gadget, App name.
The name "insy" has only four letters and only two syllables. Two-syllable names are extremely rare and extremely prestigious. Two syllable names are used by established brands like Apple, Visa and YouTube.
This domain was first registered in May 1996. Older domains have an advantage when ranking in search engines.