It only applies to Pro series models and you can check the app version in the app info.
Stores and restaurants increasing their base prices to promote discounts from data harvesting apps.
I can vouch for Visible. AT&T was too expensive. Mint (T-Mobile) didn’t have signal at my office. Red Pocket cut my service off for using too much unlimited data. Visible is cheap and unlimited. The signal is excellent too. I don’t need anything more.
I enabled it yesterday and it seemed to be working fine, but today it wasn’t working at all.