Take a look at the "All versions" reviews. – iNet - Network Scanner Review

This app, quite frankly, does not deserve 1& 1/2 stars. It deserves at least 4, as the in-app purchases are quite unobtrusive and the app works wonders. One rather clueless reviewer out of two left 1 star and ruined the app's rating for the current version. This app did exactly what I wanted (which was to get an IP address on my personal hotspot) with no hassle whatsoever. The lesson to be learnt here is to not review an app if you clearly don't understand how to use it. Thank you for reading, and don't be dissuaded by the negative reviews. I find this quite useful for being free of charge.
Review by Leth428 on iNet - Network Scanner.