Get the Rode Wireless Go II on Amazon (affiliate link) https://amzn.to/3f8wYyV
Most tutorials on the Rode Go II don't show you how to actually record. I will show you: where is the record button? Why isn't my Rode Go showing the red record sign? If you are having trouble making your Go II work out of the box, watch this.

Also Here is how to record on an iPhone:    • How to record audio with RODE GO II o...  

0:00 Intro with Example audio
0:35 The problem
0:52 Solution step 1 software
1:50 Solution step 2 update device
2:32 Solution Step 3 fix settings
3:22 Solution Step 4 The record button
4:25 How to record with a lav mic
5:32 Access your recordings

Get the rode central software here:
www.rode.com