Letterly

Here's my review after using it for about a month.

This app is incredibly convenient as it allows me to simply speak what comes to mind, and it compiles it into a cohesive text.

It’s not just for refining sentences—it also serves other purposes.
For example, with custom settings, I can generate templates for email replies with a single click, which is a real time-saver.

Previously, I had been using a chatbot AI to write email replies, but introducing this app has significantly reduced the time required for that task.

With a recording time of up to 90 minutes, I believe it can be used in various situations.
The app is user-friendly and highly refined.