
Substack
MailChimp
Notocat
Listmonk
beehiiv
MailerLite
Brevo
Buttondown is the best way to start and run your newsletter

Intercom
Customer.io
MooSend
MailerLite
Sendy
EmailOctopus
TinyLetter
Send activities-based emails to your users to increase engagement and conversion rate.

Which is more popular?
Based on our record, Buttondown seems to be more popular. It has been mentioned 31 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | buttondown.com | undersend.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2020 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Buttondown yet.
With Undersend, you can create and send personalized marketing campaigns to your users based on their activities. You can trigger a message when a user does or doesn't do an action. Each email can be personalized by the user properties like first name, sign up date, or whatever you want....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Buttondown and Undersend. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Buttondown is a (somewhat) recently launched NAAS built by a very engaged developer, beautifully designed, that looks like it might be the new TinyLetter. Subscription integrations forthcoming (eating into Substack...
We have no reviews of Undersend yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


When I first read the title, my reaction was: how dare they say my website isn't for me? Of course it is. It's my space to share thoughts, jot down notes from things I come across, publish small tools, and so on. That made me click... - Source: Hacker News / 5 months ago
One way is to deploy a full-stack app with frontend and backend where the backend connects to a newsletter service like Buttondown. However, hosting a website with a backend is more expensive than hosting a static website with no... - Source: dev.to / 8 months ago
I use Buttondown for the actual newsletter services (and I'm ashamed to confess I hadn't even went out of the boundaries of the free tier yet), I can compare it with other solutions which I used professionally, and it's much simpler than... - Source: dev.to / about 1 year ago
Tracking Undersend since Mar 2021.
When comparing Buttondown and Undersend, you can also consider the following products.

With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.
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Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
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MailChimp is the best way to design, send, and share email newsletters.
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We make it easy to send emails triggered by user behavior. Build, measure and improve your emails to activate and retain users
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Turn your Notion pages into beautiful newsletters
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Moosend allows you to design and send your email marketing campaigns and track the results from an easy-to-use web interface as well as a direct SMTP server connection for your smtp client or web application.
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