Will cost me over $200...
I did a back-up of my photos to Google Photos on Monday and it has been running in background ever since even after I closed the app and even turned off my IPhone and powered it back on. During this time I used over 25gb of data over 4 days, when I would normally used about 2gb. According to iOS 9 battery usage, Google Photos has 75% usage rate. The problem is that I use Verizon MiFi (so it thinks I am on WiFi) and am now 20 gb over my monthly allowance, which will cost me over $200 in overage fees. Since I never suspected an app to be causing this type of problem, I went to Verizon believing I was somehow hacked, however that was not the case. Finally, trial and error lead me to finally delete Google Photos from my cell phone and my WiFi usage is now back to normal. Thanks Google...
Serengeti8585 about
Google Photos