Last seen - online Tracker is a handy app that notifies you when anyone comes online on WhatsApp. It sends notifications quickly while someone is online. You can see all time durations available on the clock view of this app. If you are looking forward to someone but he/she isn't always coming.

Then click on the + button on the top right corner to add additional phone numbers. Once you have added all of your contacts.

press the three dots button in the bottom right corner to install the time period that you want to track.

Key features:
- Fast in performance
- Easy to turn on and off notification tone
- instant notifications
- Easy to view stats in colorful charts
- add up to 5 numbers

You can use this to get instant alerts whenever your child or loved ones will offline and online. Secondly, it shows you the last seen timings along with the calculated duration, you will be informed about the exact timings

you can filter out positive days or hours. Furthermore, you can also evaluate chat chats between two numbers and display whether these numbers are talking to each other for a certain day/hour period.

You will receive immediate notifications every time someone from your list logs into their account from another device