Plenty of video pros use lavalier mics for vlogging and podcasting. The Movo Edge-DI Wireless Lavalier can connect to your phone to capture better audio. It can transmit signals up to 200 feet at the frequency of 2.4GHz. It has dual channel select modes for mono and stereo audio.
The wireless receiver attaches to your phone through its Lightning jack. It has buttons to change recording mode and control the volume. The microphone records sound from all directions.