Inspire 3 is probably a bit nicer but the form factor sucks. So here's a renewed version of the charge 3:
AmazonBuy Fitbit Charge 3 Fitness Activity Tracker, Graphite/Black, One Size (S & L Bands Included) (Renewed) on Amazon.com ✓ FREE SHIPPING on qualified orders
https://www.amazon.com/dp/B07PVDBN57/ref=nosim?tag=cougarboard07-20[https://www.amazon.com/Fitbit-Fitness-Activity-Graphite-Included/dp/B07PVDBN57/ref=mp_s_a_1_3?crid=2MASPXB9GC8IM&keywords=fitbit+charge+3&qid=1674101173&sprefix=fitbit+charge+3%2Caps%2C131&sr=8-3]
Inspire 3:
FitbitMove more. Stress less. Sleep better. Fitbit Inspire 3 is the little health hack on your wrist that helps you feel your best. Track Health Metrics like skin temperature & blood oxygen, plus get daily scores that show what kind of workout you're ready for and how well you’re managing stress.
https://www.fitbit.com/global/us/products/trackers/inspire3