Frustrating at times

Pretty good, but frustrating at times. For example, the app may say that C train will be at your stop in 10 minutes and again in 50 minutes. But then if you refresh it 5 minutes later, it will show a C train arriving in 25 minutes as well. Why wouldnt this train just show up in the first place?!

Texlawnyc20116 about NextStop - NYC Subway, v2.4.2