Why Konnekt is Special

You can use Konnekt for that task, Konnekt is really helpful network tool which can be used for WiFi related task and, Speed testing and Usage tracking
In usage tracking (As you are interested in that here) Konnekt can be used to track data usage as WiFi and Mobile Data. Not only that is can also track data usage of multiple sims separately(Even mobile phones with more than two sims).
Not like in other data usage monitoring applications, Konnekt does not limit only to track data usage in the last month or last 30 days. Konnekt can track data usage according to the following time intervals

• Today (From 12 am to now)
• Last Day (From this time of last day to now)
• This Week (From Monday 12 am to now)
• Last Week (From the same day of last week to now)
• This Month (From the First of this month to now)
• Last Month (From the same day from the last month to now)

And That's, not all You can track the data usage of each and every app on your mobile phone using Konnekt.