We are sorry to hear about your experience. To access the Boating app, you will need to be on the current version 22.2.1. https://tinyurl.com/4ndefajc For additional log in troubleshooting. https://tinyurl.com/2yufrwcy Email help@navionics.com with Android Review in the subject and an agent will gladly assist you.
Thank you for reaching out. To better understand your situation, please email help@navionics.com with “Android Review U Bo Bo Naing” in the subject and provide the receipt of your purchase https://tinyurl.com/muctw8uk along with all email addresses you might have used to register the product and a screenshot showing your situation.