Does Lark offer a referral program or rewards? July 22, 2022 15:52 Updated Currently, Lark does not offer any form of rewards program for referring individuals to Lark's programs. Related articles If Lark is available at no cost, why do you need my insurance information to enroll? Lark said I was qualified, but my insurance information wasn't accepted? What is the Wellness Program? What is the Diabetes Prevention Program? I've been in the Diabetes Prevention Program for ten weeks. Where is my Fitbit® redemption code?