Ads are a part of the tool. A lot of users installed this application on their Samsung and Acer devices. Download the .apk installation package of Tabata Sport Interval Timer 1.2 that is completely free and check out users' reviews on Droid Informer. This application setup package requires 227 KB to be successfully installed. The app is available for Android 2.1 and above.
According to the antivirus report, the app doesn't contain viruses or any kind of malware.
From the users' point of view, this application has such a benefit as a perfect interface.