Does what I need [revised] – PhoneScan - CPU speed test Review

The description of this app when I downloaded it, and still, offers free upgrade to ad-free if you rate the app. I did so (via the app) but ads remain. Restarting the app and my phone didn't change anything. Decided to in-app purchase the upgrade. Failed repeatedly due to "unknown product identifier." Went to their website – no products featured, described or supported. Argh. Is this abandonware? Goodbye five-star review. [Previous review deleted]
Review by MisterMellow001 on PhoneScan - CPU speed test.