Focusrite have been leading the field of affordable high quality Mic pre's for the last 20 odd years, bringing their technology all the way from super high end studio applications to the bedroom producer generation. The iTrack One is designed to bring you high quality mic and guitar recording straight onto your iOS device.
With no power supply needed you can easily record using a condenser mic anywhere you like, with the phantom power being generated from your iOS device. With a simple to use gain 'halo' you can easily set up your input level, green indicates a good level whilst red tells you you're running it too hot.
The iTrack One Pre works with almost all iOS Devices: iPhone SE, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, iPad Pro (12.9-inch), iPad Pro (9.7-inch), iPad Air 2, iPad Air, iPad mini 4, iPad mini 3, iPad mini 2, iPad mini, iPad (4th generation), iPod touch (5th and 6th generation). Please note: iTrack One Pre is compatible for recording with the iPhone 7, however, simultaneous recording and monitoring is not possible due to the iPhone 7 not having a 3.5mm headphone output.
At only £120 the iTrack One Pre is an absolute steal.
More info at Focusrite
It looks kinda like SMR but it is definitely not!