If you require an APRS Passcode, and you are NOT able to generate one yourself for free (using the link provided in the app) then you may purchase my time for generating you a passcode. Please ensure you enter your callsign before paying. Passcodes will be sent to the email address registered on your paypal account.
Please note: APRS passcodes are NOT unique to APRS-TX app. APRS Passcodes are required for ANY software that needs to access the APRS-IS network, such as UI-VIEW and so forth. The passcode is generated by using an algorithm applied to your callsign, which means these passcodes are NOT stored on any servers etc.