First off thank you to everyone at Ting, we are so excited to be joining this amazing cellular family!
We thought it could be quite beneficial to see the progress of the current billing cycle in the mobile app.
On the Usage page, there could be another pie chart that shows the elapsed time in the current cycle. Maybe it could show how many days have elapsed, or how many days are remaining, or the total days, or maybe show a percent?
Here is a mockup to help visualize: