WhatsLog Tracker apk content rating is Everyone and can be downloaded and installed on android devices supporting 16 api and above.
"Add the number to be tracked > Receive the notifications and reports instantly.
-You can make multiple tracking by adding 2 numbers, and you can access online activities of 2 numbers at the same time. -Discover Whatsaap messaging times and session activities of the number you track. -Get instant notification when the number is online in Whatsaap. -3 separate premium packages with discounted rates and trial package options. -The number you track will not be aware of being tracked. It captures WhatsLog actions even if your number is blocked by that number.
Disclaimer: This app is not affiliated to Whatsapp™."