Remember, there are clear legal restrictions on what you can and can't do when it comes to accessing or tracking someone's phone.
Make sure you're aware of them before you do anything that might get you into trouble with the law.
Aliases and usernames have become a big part of our personal online presence, and we often feel tied to them when we register for new sites and services.
Generally speaking this is If you see an app name you don’t recognize, Google it to see if it’s intended as a dating or cheating app.
The very simplest, a Google search will often turn up social media profiles, forum posts, and blog comments tied to a particular username.
If you’re concerned about dating site matches finding your online presence, or people online finding your dating profile, just don’t reuse usernames or email addresses!
For dating sites, it can be a little more complicated.
You can always scan through emails to see if any raise a red flag (for example, Match.com), as these websites typically send a welcome email and occasional updates.