I integrated the Adjust SDK in an app some time ago. I've been following the progress through the github repository. The fact that the SDK is open source is a big advantage
Gets better for Analytics also
Encountered to many problems with outages and what not - and they are gouging us on price. We switched to AppsFlyer and saved money and headaches
Price is reasonable (lower than Appsflyer) but they will charge you about ~$120 a month, even if you aren't doing any acquisition. Bare that in mind. They are connected with everybody, and the dhasboard is friendly!