Try https://otter.ai too -- it has a webapp, iOS app, and Android app.
Although the text size is smaller, it does a better job in certain situations -- it has been around for much longer than Google Live Transcribe and has an iOS app.
A MacBook Pro with a microphone attached, successfully transcribed directly in Chrome/Safari browser. Or my iPad held up to the microphone.
It works even better if you purchase an external microphone for your laptop, tablet or phone, and use very good LTE reception. Transcription of business meetings at work is also greatly helped with something like a Blue Yeti microphone sitting in the middle of the room.
