There are better options for multisending apps without a fee for subscription. I liked the hard effort you put on your website but i don't really like to reach support via telegram. The discussion with support should be private.
You have already created an official announcement thread for your service: https://bitcointalk.org/index.php?topic=5227768.0
You should post updates there and not by creating new topics.
In that ANN thread, you have some important queries which you didn't answer for since 2020. Read here if you didn't notice them: https://bitcointalk.org/index.php?topic=5227768.msg55818270#msg55818270