Instaaa
Submit Juice
Promotehour
Aidem Network
Howler AI
Press Notify
Press Kite
Find where to get press coverage for your startup

Mailgun
Resend
Brevo
Mailjet
Amazon SES
MailChimp
SendGrid Email API
Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Which is more popular?
Based on our record, Postmark seems to be a lot more popular than Submit.co. While we know about 59 links to Postmark, we've tracked only 3 mentions of Submit.co.
Website, pricing, platforms and company facts side by side.
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Submit.co
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| Website | submit.co | postmarkapp.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.

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

No analysis of Submit.co yet.
Overall verdict
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Using Postmark to send email from Darkroom Booth
How often each product is chosen within a category, 0–100% relative to the other.

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

We have no reviews of Submit.co yet. Be the first one to post
Postmark are the most expensive transactional email service (10x the cost of Amazon SES), so what do they do to justify the sky high pricing? Their focus seems to be on providing a high-end service using only the best...
Recommendations tracked on public social media and blogs since March 2021.

Fun story: I built BetaList 16 years ago which was one of the first "product discovery" platforms. Years before Product Hunt, etc. I manually reviewed every submission and unfortunately often I had to tell founders that their startup... - Source: Hacker News / 5 months ago
First, I crawled and audited all the available data from similar lists. Startup directories, such as those found on GitHub and Submit.co websites are the few standing out in terms of quality. - Source: dev.to / about 4 years ago
Very cool. Just submitted to submit.co. Source: over 5 years ago
Postmark focuses on transactional email and keeps broadcast mail on separate streams. - Source: dev.to / 18 days ago
Postmark has been doing one thing for over a decade: getting transactional email into inboxes fast. It separates transactional and broadcast traffic into different "message streams" so marketing sends don't damage your password-reset... - Source: dev.to / about 1 month ago
Postmark has been doing exactly one thing since 2010: transactional email, done carefully. It enforces a hard separation between transactional and bulk/marketing sending streams (you can't mix them on the same account), which is exactly... - Source: dev.to / 2 months ago
When comparing Submit.co and Postmark, you can also consider the following products.


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Free list of 1100+ media outlets to pitch your startup
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Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
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