DO NOT USE NEXTBIKE!
I was in Vienna this Christmas and wanted to try Nextbike. My wife and I wanted to do the Wachau trip (Melk to Krems) by bike and signed up before even going to Vienna. We called from Vienna one early morning to reserve bikes in Melk and got both a personal talk with a representative and an email confirmation that we reserved two bikes.
Only problem was that when we arrived by train later (the train ride alone was 1 hour 15 minutes) in Melk there was no bikes. There was a bike stand with a sign saying "Winterpause". So Nextbike was on Winterpause. We called Nextbike again and talked to the same lady that we made the reservation with in the morning. She kept saying she was the only person in the office and the mantra was "I can't help you". Not one time did she say she was sorry.
My wife and I paid 68€ for train tickets and had a day ruined due to Nextbike.
I can only recommend NOT TO USE Nextbike if you plans are important to you. Also don't expect Nextbike in Austria or Germany to speak English when you are in a difficult situation. The language barrier is quite big.
I got a call from the main office today (many days after writing a complaint), the office is located in Germany, but the women I spoke to could not do anything for us she said. She did offer some free bikes next time we wanted to use the service, but I think that is laughable as I won't visit Germany or Austria any time soon. Also how can I count on a reservation? If they really cared to give us free bikes for a day, they could have done so while we were still in Vienna (they had a few days to do that).
VERY NOT RECOMMENDED! read more