If you have made the in-app purchase to remove ads within Send Anywhere mobile app, it will only remove ads from Android or iOS apps associated with the same Google or Apple account used for the in-app purchase. Please note that the in-app purchase for ad removal was made through a Google Play or App Store account, and it is not linked to your Send Anywhere account.
If you would like to remove ads across all platforms, including mobile and desktop apps, subscribe to Send Anywhere email add-on. You can experience not only Ad-free on all platforms but also powerful premium features such as creating links with no expiration date, quickly attaching large files to Gmail and Outlook, downloads tracking, Max 30GB file upload size, and so on!