WhatsOn - Track your friends

With “WhatsOn” you can follow the person you want, and you can be notified when the person you are following is online in WhatsApp.
You will be able to see the daily, weekly and monthly entries and exits, and how many minutes you have been online in full detail. Even if the number you follow has not added you to the contacts!
WhatsOn is an application that shares all these details with you through graphics.
With premium membership, you can enjoy the right to follow 5 numbers, faster information and unlimited right of use. "

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Subscription Pricing and Terms
-Application Offers weekly and monthly packages after 24 hours of free usage.
-Weekly 3.99$ (Daily 0.57$)
-Monthly 10.00$ (Daily 0.36$)
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
- No cancellation of the current subscription is allowed during active subscription period
- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.


https://getwhatson.co/whatson-en.html