Lakehorn AG announces Network Speed Tester 1.2, app for Mac. Network Speed Tester lets users measure and visualize network and WiFi performance between any current Apple device on the same network. It will detect weakspots or bottlenecks on the local WiFi or wired network and can help improve overall network performance. Results are displayed in a graph in realtime, so that any change is visible immediately. Network Speed Tester 1.2 is $3.99 and can be downloaded from Mac App Store.