13m ARKit apps have been downloaded in 6 months

"iPhone and iPad users worldwide have installed more than 13 million augmented reality apps built expressly using Apple’s ARKit framework since they debuted on September 19 of last year, Sensor Tower Store Intelligence data shows.
As the following charts reveal, these downloads have been heavily concentrated around a few key App Store categories, including Games, Utilities, and Lifestyle. In addition to this, we’ve put together top 10 rankings of the most downloaded free and paid ARKit-only apps and games, along with the highest grossing offerings so far in this growing space."
Source:  SensorTower, 28th March 2018