Litmus vs MailSlurp
On the evidence we track, MailSlurp leads this comparison with a composite score of 52/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for email testing dev. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Litmus
Litmus provides email preview, testing, and personalization tools for marketing teams to create, test, and optimize email campaigns across multiple clients and devices. It integrates with email service providers and marketing platforms to streamline email production workflows.
MailSlurp
LeaderMailSlurp is a cloud-based service that allows developers to create test email addresses and phone numbers, preview emails on real devices, validate message delivery, extract data from messages, and build automated messaging workflows through REST APIs and SDKs.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Litmus
Pricing not documented yet.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- HubSpot
- Mailchimp
- Dropbox
Litmus
- Salesforce Marketing Cloud
- Adobe Marketo
- Oracle Responsys
- Oracle Eloqua
- Acoustic Campaign
- Campaign Monitor
- Trello
- Slack
- Dreamweaver
- Pardot
- Google Analytics
MailSlurp
Leader- Zapier
- Gmail
- Outlook
- Google Drive
- Playwright
- CypressJS
- ACCELQ
- Klaviyo
- Salesforce
- Cypress
- Selenium
Litmus or MailSlurp: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.