Why This Confusion Is Worth Clearing Up
Because it produces a specific mistake: choosing between apps on the assumption that a higher number means something newer, safer or better. It does not, and the choice made that way skips every check that would actually distinguish two operators. The number is the least informative thing on the icon.
It also explains part of why the category looks so crowded. Twenty numbered variants does not mean twenty operations — it frequently means far fewer, cycling through fresh names as older ones accumulate complaints.
On the Numbers That Do Mean Something
Two numbers in this market carry real information: the wagering multiplier attached to a bonus, and the number of rounds you play in an hour. Both are checkable, both change what a session costs, and neither appears in an app's name.
The rebranding cycle behind all of this is on the names and logos page, and every guide is on the home page.