User Agent

Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)

This user agent belongs to adidxbot. Microsoft Corporation developed this Bot/Crawler. This Bot/Crawler run on iOS and it renders web contents with WebKit on iPhone.

Bot/Crawler-adidxbot

adidxbot

Version 2.0 @ 32 bit
Developer Microsoft Corporation
Parent adidxbot
Platform apple 7.0 (32 bit) by Apple Inc
Device Type Mobile Phone
More info http://www.bing.com/bingbot.htm

Act as 

Mobile Yes
Tablet No
Crawler Yes
Fake No
Anonymized No

Capabilities

 

Rendering Engine WebKit by Apple Inc (For Google Chrome, iOS (including both mobile Safari, WebViews within third-party apps, and web clips), Safari, Arora, Midori, OmniWeb, Shiira, iCab since version 4, Web, SRWare Iron, Rekonq, and in Maxthon 3.)
Pointing touchscreen
Javascript Yes
CSS Yes Version: 3
Cookies Yes
Tables Yes

 

Frames Yes
IFrames Yes
Background Sounds No
Java Applets Yes
VB Script No
Activex No