There are already plenty of apps that let you record all your calls. The Photofast Call Recorder X for iPhone lets you take it to the next level. It is a simple tool you can use to record regular phone calls and those made through apps such as WeChat, WhatsApp, Skype, and Messenger.
The device has a micro SD slot to save your recordings and other files. It weighs only 11g and plugs into your phone’s charging port. The companion app can transcribe your calls too.