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Litmus
Optimize Email Campaigns Instantly
4.6

( 382 )

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Litmus Reviews & Product Details

Litmus Overview
What is Litmus?

Litmus is a preferred email personalization, optimization, and collaboration software among marketers designed to maximize your ROI. From pre-send campaign development, testing, and AI-driven content recommendations Litmus can deliver the tools you need and help facilitate better creativity to ensure optimized content.

Company Litmus Software, Inc.
Year founded 2005
Company size 51-200 employees
Headquarters Cambridge, Massachusetts, United States
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What Litmus is best for?
How does Litmus compare to AWeber?
What are the pros and cons of Litmus?
Litmus Product Details
Capabilities
API
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based
Support 24/7 (Live rep), Chat, Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support
Training Documentation
Languages English
Litmus Features
A/B Testing
API Access
Analytics/Reporting
Automated Responses
Bounce Management
Campaign Scheduling
Contact List Import/Export
Custom Fields
Customizable Templates
Deliverability Tools
Drag-and-Drop Editor
Drip Campaigns
Dynamic Content
Email Campaign Management
Email Tracking
Event-Triggered Email
Geolocation Tracking
Integration with CRM
Landing Pages/Web Forms
Mobile Optimized Emails
Multi-channel Marketing
Personalization
Real-Time Analytics
Segmentation
Social Media Integration
Spam Testing
Subscriber Management
Survey/Poll Management
Template Management
Unsubscribe Management
Litmus Media
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Litmus Screenshots
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Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: September 17, 2025
Litmus Logo
382 Litmus Reviews
4.6 out of 5
Mid Market (51-1000 emp.)
Feb 11, 2020
 Source
Overall Rating:
5.0
MK
Michael K.
Head Of Demand Gen
Share
"A must have for email marketers"
What do you like best about Litmus?

Seeing your email rendered in a huge set of clients. I tested thew spam feature too, but couldn't get the budget.

What do you dislike about Litmus?

I wish there were Grammarly-like tools to spell/grammar check.

What problems is Litmus solving and how is that benefiting you?

We had emails that were not rendering on various mobile devices well. We fixed this issue and our responses rates went up.

Small Business (50 or fewer emp.)
Feb 11, 2020
 Source
Overall Rating:
5.0
Doug M. avatar
Doug M.
Art Director
Share
"The Premiere Email Design and Testing Platform"
What do you like best about Litmus?

Reliable rendering across platforms and devices. I can be sure of what will be sent.

What do you dislike about Litmus?

The loss of of some features I relied on. Like being able to more quickly, switch between emails within a folder.

What problems is Litmus solving and how is that benefiting you?

Progressive enhancement and finding solves that will work or fallback gracefully.

Mid Market (51-1000 emp.)
Feb 11, 2020
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Easy to use & super insightful"
What do you like best about Litmus?

Analytics reporting is super detailed & provides fantastic insights into how & where your blasts are reaching people. The platform rendering shows how well your blasts are being design & translating to different OS.

What do you dislike about Litmus?

TBH, for our purposes it works well for what we do.

What problems is Litmus solving and how is that benefiting you?

Litmus was super helpful in moving our blasts to cater to mobile devices. Our designs now are pretty close to air tight on both Apple, Desktop and Outlook.

Small Business (50 or fewer emp.)
Dec 11, 2019
 Source
Overall Rating:
5.0
Savannah K. avatar
Savannah K.
Crm Manager
Share
"Industry Leader in All Things Email"
What do you like best about Litmus?

Litmus isn't just a fantastic tool for making sure your email code will render the way you want it too, they are leading the email industry in trends, information, tips, data, etc. I often refer to data Litmus has collected and shared to support my statements about email best practice and trends.

What do you dislike about Litmus?

Be mindful when you select your plan that number of tests is not counted as how many times you hit the "retest" button, it's how many windows you are viewing each time you push the button.

What problems is Litmus solving and how is that benefiting you?

Manually sending email tests to different email addresses, devices, and people to try to cover all of your bases is not really practical, especially when you're a small or one-person team. Testing through Litmus gives you the confidence in your code before you schedule your emails.

Enterprise (> 1000 emp.)
Nov 21, 2019
 Source
Overall Rating:
5.0
Ryan F. avatar
Ryan F.
Email Marketing Specialist
Share
"Must-have software for any #emailgeek"
What do you like best about Litmus?

Litmus is great in provide fast renderings of our email campaigns, which helps us quickly solve rendering issues with specific email clients.

What do you dislike about Litmus?

The analytics are great, but it would be awesome if we were able to combine and download analytics data in one file.

What problems is Litmus solving and how is that benefiting you?

Litmus helps me ensure that our campaigns render as good as possible in the email clients that our customers use. It also helps in targeting our customers in different regions, allowing us to deliver the most relevant content to them.

Enterprise (> 1000 emp.)
Nov 21, 2019
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Great email preview platform"
What do you like best about Litmus?

Litmus makes it very easy to see how my emails are going to appear in the inbox of various providers. If i had to pick, i would say the best use i have is identifying responsive issues and the monster that is outlook.

What do you dislike about Litmus?

I wish there was a real time html editing ability vs having to edit and save to view the update. Not too much of a bother however.

What problems is Litmus solving and how is that benefiting you?

Litmus has seriously decreased the amount of time spent in QA. That's a huge time suck especially as tech changes. It also helps me identify issues along the way.

Mid Market (51-1000 emp.)
Nov 20, 2019
 Source
Overall Rating:
5.0
NT
Napoleon T.
Sr. Marketing Specialist
Share
"Fairly reliable email QA must have"
What do you like best about Litmus?

I like that Litmus saves me a lot of rendering headaches so I can focus more on our automation platform. It's a reliable platform to ensure that your email is read by your intended audience. My job requires me to be very concise and accurate with email builds. Making a slight mistake would cause a fire drill in my organization.

What do you dislike about Litmus?

Only if Litmus builder is as easy as drag-drop with source editing it's almost perfect for every marketing email, but of course, we can't have it all so if there is a way to send an enhancement it will be great.

What problems is Litmus solving and how is that benefiting you?

Most of the rendering problems I always look at is for Microsoft email clients that that has the most common rendering issue.

Mid Market (51-1000 emp.)
Nov 20, 2019
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"The Most Comprehensive Email Tool Out There!!!"
What do you like best about Litmus?

The number of email clients available is awesome. Plus, Litmus is great about constantly updating the tool and keeping on top of new features.

What do you dislike about Litmus?

Keeping templates and tracking organized is a constant effort. I wish there was a built in process to force you to organize better.

What problems is Litmus solving and how is that benefiting you?

Email rendering, tracking, faster template development. I'm able to code and test seamlessly, which has provided enormous time savings.

Mid Market (51-1000 emp.)
Nov 19, 2019
 Source
Overall Rating:
5.0
JW
Jayson W.
Marketing Operations Manager
Share
"Awesome program to add to your martech stack"
What do you like best about Litmus?

Litmus is super easy to use, diagnose issues across email platforms through their emulators, and send some solid emails themselves.

What do you dislike about Litmus?

Overall, it's a great platform, but the emulators are not 100% accurate. They are mostly reliable though and we use them all the time.

What problems is Litmus solving and how is that benefiting you?

We don't have to send email to all the ESP to test. We can do it all in one location. Even following basic HTML coding guidelines won't always reveal possible mistakes, so checking it every time is worth it.

Enterprise (> 1000 emp.)
Nov 08, 2019
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Great tool for QC-ing Email campaigns before pushing send"
What do you like best about Litmus?

I like that it has every type of ESP available to send render tests to before sending to the consumer. This is huge with so many different ESPs out there it is imperative to test on all of them and be able to trouble shoot and make sure the message that is sent is exactly how you want it to look on all platforms.

What do you dislike about Litmus?

I wish there was a bigger community of debugging tricks in Litmus. There is a decent community but I feel like it could be bigger. Sometimes the builder option renders correctly but then the checklist option sometimes doesn't reflect it.

What problems is Litmus solving and how is that benefiting you?

Rendering issues in Dark mode. Litmus has been very beneficial for our team as we can feel confident that when it passes the Litmus render check that the email will be sent to our customers exactly how it was designed to.