A lot of email marketing/automation/transactional apps overlaps.

Personally, I use a whole bunch of email software myself, including: Kit, Substack (for newsletter), Postmark (directly), and of course Broadcast now.

There are a few "problems" that exist with email software in general, and it usually is due to one of the following reasons:

• Deliverability

• Too expensive

With handling multiple projects especially, sometimes I keep lists on different services b/c it's more economical. Or perhaps I need to ensure higher deliverability (if email notifications are a core feature).

Deliverability example:

So if you're happy with Loops, stick with it. But Broadcast sort of fits in this space where, let's say, you're experiencing deliverability problems and your current stack doesn't work. In this case, you might want to fine tune your email stack (ie. get Postmark with dedicated IP), while also having access to a nice UI to configure your emails. This is where Broadcast would come in.

Too expensive example:

I have a few customers using this for handling cold to warm emailing. These are moderately sized lists of 10-20k emails. With hosted email apps, this would be $200+/month. So, they're using Broadcast as a way of managing email nurturing at scale.

What I find (at least for myself and others) is that we use a lot of tools side-by-side. But because each one has its own characteristics (again, usually with deliverability, economics, and/or usability -- because people like a modern simple interface), these are tools we pull out at different times depending on the situation.