
Resend
Mailmodo
Customer.io
Postmark
MailerLite
Mailgun
Folderly
We bought a billboard in Times Square and we're letting you advertise your startup on it!It's free.

Brevo
Litmus
Email on Acid
AWeber
MailerLite
250ok
Mailtrap
Email HTML testing tools for web developers

Which is more popular?
Based on our record, Loops.so should be more popular than Testi@. It has been mentioned 10 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | loops.so | testi.at |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Loops.so and Testi@. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Start-here: Transactional + newsletter → Resend (3,000/mo, 100/day, 3 domains on Free). Staging inbox → Mailtrap sandbox (tiny on Free). Marketing audience → Loops. OTP texts → Twilio after trial credit. - Source: dev.to / 12 days ago
I thought this would be easy using any of the email marketing tools out there like Resend or Loops, but this was not the case. All of the available tools shockingly handle campaigns at a user instead of organization level. - Source: dev.to / 10 months ago
Previously, I used Loops.so to send out newsletters. However, it involved the tedious task of reformatting the blog post within their campaign editor and re-uploading all media. - Source: dev.to / about 2 years ago
My company, a small startup, asked me to create an email signature that can be customized and used by everyone on the team. They requested design that included a circular image of the sender, some styled text, and social media links. I... Source: over 3 years ago
For peace of mind — Learn the peculiarities of HTML mails (Think 1995 HTML & Inline CSS mixed with shitty client quirks) and roll your own engine, then test with something like https://testi.at. - Source: Hacker News / over 4 years ago
You can test out the html using something like PutsMail or Testi@. If you like the result, rename it the file to IntegrationTests/Snapshots/Welcome.expected.html. - Source: dev.to / almost 5 years ago
When comparing Loops.so and Testi@, you can also consider the following products.


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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litmus tests and tracks your email campaigns, so you can always put your best design forward.
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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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We make the send button safer. For every campaign, every message, and every inbox, Email on Acid has the time-saving tools you need to put your best email forward.
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