Yes, the local version of Uber is Grab. Excellent service, all managed via their app. Used it about 20 times on my last visit to BKK & it worked beautifully. SO much better than the local taxi lottery! I would use AOT limo or Grab from BKK.
Agree. I've used Grab both for transportation, to order food, and for shopping. Better than Uber IMO.
For pickup at airport I usually book a limousine. (Never used AOT as they've always been way overpriced)