Do you offer a money back guarantee? Lingo offers a 30-day money-back guarantee on your first purchase of a Lingo subscription only. We don't offer a money back guarantee on subsequent purchases or a 2-week Learn plan and 4-week Build plan. For more information, see our Terms of Sale. Related articles Can I request a refund? How do I reactivate a cancelled subscription? Why is there a gap in my glucose data? How can I update my payment details? How do I cancel my Lingo subscription?