
Mailtrap
Mailosaur
MailHog
Mailinator
MailCatcher
Mailcatch.app
Mailpit
Email and SMS testing and development platform for software engineers and QA testers

Mailosaur
Mailtrap
Mailpit
GetTestMail
MailFixture
Mailinator
testmail.app
One API call waits until the code arrives, then returns the OTP or magic link from the signup email as JSON. MCP server included.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mailslurp.com | mailsocket.app |
| Pricing | ||
| Platforms | — | |
| Company | 2017 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Create email addresses and phone numbers on demand in code, tests and using online dashboards. Test applications end-to-end with real email and SMS using REST APIs, SDKs, and custom mail servers.
mailsocket gives you throwaway email inboxes through an API. Create an inbox, use its address in a signup or login form, then make one call that blocks until the verification code or magic link arrives and returns it as JSON. Built for end-to-end tests (Playwright, Cypress, pytest) and for AI...
What each product offers, as listed by its team.


How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing mailslurp and Mailsocket.app.
mailslurp's answer
Test functions for true integration testing and messaging automation
mailslurp's answer
MailSlurp is the most comprehensive email and SMS automation platform
Share your experience with using mailslurp and Mailsocket.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


MailSlurper is a free Libre mail server and SMTP webmail client created by Adam Presley.
We have no reviews of Mailsocket.app yet. Be the first one to post
When comparing mailslurp and Mailsocket.app, you can also consider the following products.

Email Delivery Platform that delivers just in time. Great for businesses and individuals.
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Email Testing for QA & Development Teams.
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MailHog is an email testing tool inspired by MailCatcher, but easier to install.
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An email and SMTP testing tool with API for developers.
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temporary email service keeping testing process afloat
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