[Home](https://www.selecthub.com/) \> [Marketing Automation](https://www.selecthub.com/category/marketing-automation/) \> [Marketing Automation Software](https://www.selecthub.com/c/marketing-automation-software/) \> [Kartra](https://www.selecthub.com/p/marketing-automation-software/kartra/) \> Kartra vs Email on Acid 

#  Kartra vs Email on Acid 

 Last Updated: June 8th, 2026 

Our analysts compared [Kartra](https://www.selecthub.com/p/marketing-automation-software/kartra/) vs [Email on Acid](https://www.selecthub.com/p/email-marketing-software/email-on-acid/) based on data from our 400+ point analysis of [Marketing Automation Software](https://www.selecthub.com/c/marketing-automation-software/), user reviews and our own crowdsourced data from our [free software selection platform](https://www.selecthub.com/about/start-free-selection-project-site/?category=Marketing Automation Software&cta=marketing-automation-software).

[Overview](#product-overview) [Pricing](#product-pricing) [Our Review](#product-analyst-summary) [User Ratings](#user-sentiment-section) [Features](#product-benefits-features) [Screenshots](#product-screenshots) 

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[![Kartra Software Tool](https://cdn.selecthub.com/products/1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb/resources/original/logo.svg?1742835792)](https://www.selecthub.com/p/marketing-automation-software/kartra/)

[ ![Product Awards](https://www.selecthub.com/display/images/awards_badge.svg) ](#awards-section) 

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[![Email on Acid Software Tool](https://cdn.selecthub.com/products/32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146/resources/original/logo.svg?1740148954)](https://www.selecthub.com/p/email-marketing-software/email-on-acid/)

[ ![Product Awards](https://www.selecthub.com/display/images/awards_badge.svg) ](#awards-section) 

[Get Free Demo](https://pmo.selecthub.com/get-product-demo/?category=Marketing+Automation+Software&product%5Fname=Kartra&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb%2Fresources%2Foriginal%2Flogo.svg%3F1742835792) [Demo](https://pmo.selecthub.com/get-product-demo/?category=Marketing+Automation+Software&product%5Fname=Kartra&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb%2Fresources%2Foriginal%2Flogo.svg%3F1742835792) [Request Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Marketing+Automation+Software&product%5Fname=Kartra&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb%2Fresources%2Foriginal%2Flogo.svg%3F1742835792&price=3) [Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Marketing+Automation+Software&product%5Fname=Kartra&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb%2Fresources%2Foriginal%2Flogo.svg%3F1742835792&price=3) 

[Get Free Demo](https://pmo.selecthub.com/get-product-demo/?category=Marketing+Automation+Software&product%5Fname=Email%2Bon%2BAcid&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146%2Fresources%2Foriginal%2Flogo.svg%3F1740148954) [Demo](https://pmo.selecthub.com/get-product-demo/?category=Marketing+Automation+Software&product%5Fname=Email%2Bon%2BAcid&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146%2Fresources%2Foriginal%2Flogo.svg%3F1740148954) [Request Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Marketing+Automation+Software&product%5Fname=Email%2Bon%2BAcid&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146%2Fresources%2Foriginal%2Flogo.svg%3F1740148954&price=2) [Pricing](https://pmo.selecthub.com/get-product-pricing/?category=Marketing+Automation+Software&product%5Fname=Email%2Bon%2BAcid&product%5Flogo=https%3A%2F%2Fd3uimxdj41cg3o.cloudfront.net%2Fproducts%2F32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146%2Fresources%2Foriginal%2Flogo.svg%3F1740148954&price=2) 

###  Products Insights

 Product Ranking 

## #15

 among all   
 Marketing Automation Software

## #146

 among all   
 Marketing Automation Software

[Find out who the leaders are](https://pmo.selecthub.com/marketing-automation-analyst-report-site-vers?post%5Ftype=auto%5Fvs%5Farticle&category%5Fslug=marketing-automation-software&product%5Fslug=kartra&category=Marketing+Automation+Software) 

 Price Starts From

$119 Monthly 

[ 30 Day Free Trial is available →](https://pmo.selecthub.com/free-trial/?product%5Fname=Kartra&category=Marketing Automation Software&product%5Flogo=https://d3uimxdj41cg3o.cloudfront.net/products/1d9aa373bc6d83a320559b9b7261db73-5d0b39d66fa1f6bde72f67f107ad3deb/resources/original/logo.svg?1742835792) 

$74 Monthly 

[ Free Trial is available →](https://pmo.selecthub.com/free-trial/?product%5Fname=Email on Acid&category=Marketing Automation Software&product%5Flogo=https://d3uimxdj41cg3o.cloudfront.net/products/32065a1a7dd7b2070f93b815e5e11b6d-fb1b0c08a9cb11eea884d8f35ddb2146/resources/original/logo.svg?1740148954) 

 Pros

 What we like about Kartra and Email on Acid:

**All-in-One Convenience:** User reviews consistently praise Kartra for its comprehensive suite of marketing tools, eliminating the need for multiple subscriptions and consolidating various functionalities within a single platform.

**Effortless Automation:** Users highlight Kartra's strength in automating marketing tasks. The platform allows for behavior-triggered email sequences, nurturing leads without continuous manual intervention.

**Customizable Campaigns:** Kartra empowers users to create professional-looking, branded campaigns with its intuitive drag-and-drop page and sales funnel builders, simplifying the design process for enhanced conversions.

**Cost-Effective:** User reviews consistently highlight Email on Acid as a more affordable option compared to similar products, especially Litmus.

**Time-Saving:** The software is praised for its ability to streamline the email testing process, enabling users to quickly identify and rectify issues before sending out their campaigns.

**Improved Accuracy:** Email on Acid helps users ensure their emails render correctly across a wide range of email clients and devices, reducing the risk of formatting errors and broken links.

**Spam Filter Testing:** The platform's spam testing capabilities allow users to identify and address potential spam triggers, increasing the likelihood of emails reaching the intended recipients' inboxes.

 Cons

 What we dislike about Kartra and Email on Acid:

**Steep Learning Curve:** User reviews mention that Kartra's extensive features can be overwhelming for new users, potentially slowing down workflow while getting acclimated.

**Limited Design Flexibility:** Some users have expressed that Kartra's page builder, while functional, offers less aesthetic customization compared to competitors like Kajabi, potentially impacting branding and visual appeal.

**Additional Costs for Usage:** User reviews highlight that businesses with large email lists or storage needs may incur additional costs beyond the base price, potentially impacting budget considerations.

**Stability Issues:** User reviews cite concerns about the software's stability.

**Customer Support Concerns:** User reviews express concerns about the responsiveness and effectiveness of customer support.

**Pricing:** While considered more affordable than some competitors, user reviews indicate pricing can still be a barrier for small businesses.

**Slow Screenshot Rendering:** Some user reviews report that generating screenshots of email previews can be slow and occasionally result in inaccurate renderings.

###  Our Review

 Is Kartra really all it's "kart" to be? User reviews from the past year paint a picture of a powerful but somewhat polarizing platform. Kartra's strengths lie in its comprehensive suite of features, often compared to Swiss Army knives for online businesses. Users rave about the intuitive drag-and-drop builder, making website and landing page creation a breeze, even for non-tech-savvy entrepreneurs. The platform's robust automation capabilities, particularly for email marketing, have garnered praise for streamlining workflows and boosting efficiency. For instance, users highlight the seamless integration of email sequences with other features like membership sites and sales funnels, a distinct advantage over competitors like ActiveCampaign, which primarily focuses on email automation. However, Kartra's breadth of features can also be a double-edged sword. Some users, particularly those new to online marketing, find the platform overwhelming initially, citing a steep learning curve. While Kartra offers pre-built templates and tutorials, navigating the sheer volume of options can be daunting for beginners. Additionally, despite improvements, some users still report occasional glitches and limitations with mobile optimization. Kartra's pricing, while considered competitive for its feature set, may pose a barrier for some small businesses, especially those on tight budgets. In essence, Kartra emerges as a powerhouse for established businesses and seasoned marketers who can fully utilize its extensive capabilities. Its all-in-one nature eliminates the need for multiple tools, potentially saving costs and streamlining operations. However, for solopreneurs or small businesses with limited resources and technical expertise, simpler, more affordable alternatives might be a better fit, at least initially. 

 Show more 

 Is Email on Acid the bee's knees when it comes to email marketing, or will it leave you feeling like you've bitten into a sour lemon? While Email on Acid is generally well-regarded for its reliability and time-saving features, user reviews from the last year present a mixed bag. Many users appreciate its ability to improve the accuracy of email campaigns by providing a rendered version of an email across various inbox providers, such as those offered by Google and Yahoo, ensuring a consistent user experience. This feature eliminates the guesswork from troubleshooting and helps maintain brand consistency across different email clients. Additionally, Email on Acid offers recommendations for fixing code errors, which is particularly helpful for non-technical marketing folks. However, some users have reported issues with the software's reliability, citing instances of the platform crashing and the reliance on screenshots instead of live renders, making error correction challenging. A key differentiating factor is Email on Acid's competitive pricing, especially compared to its main competitor, Litmus. This affordability makes it an attractive option for small to mid-sized businesses. However, some users find the pricing still too steep for their budget, particularly considering the occasional software glitches and the lack of support for newer features like dark mode testing. Overall, Email on Acid is best suited for businesses or marketing teams who prioritize cost-effectiveness and require a tool to ensure their emails render correctly across different email clients. However, those who need advanced features, such as dark mode testing, or require absolute reliability might find other email marketing solutions more suitable. 

 Show more 

###  User Sentiment Summary

 Kartra has a user sentiment rating of 90 based on 266 reviews. Email on Acid has a user sentiment rating of 90 based on 80 reviews. 

![Excellent User Sentiment](https://www.selecthub.com/display/images/scores/excellent.svg) 266 reviews 

![Excellent User Sentiment](https://www.selecthub.com/display/images/scores/excellent.svg) 80 reviews 

 Synopsis

 Evaluating all review platforms, our market analysts have compiled the following user sentiment data.

 90%

of users recommend this product

 Kartra has a 'excellent' User Satisfaction Rating of 90% when considering 266 user reviews from 2 recognized software review sites.

 90%

of users recommend this product

 Email on Acid has a 'excellent' User Satisfaction Rating of 90% when considering 80 user reviews from 3 recognized software review sites.

 User Review Scores

**G2.com, Inc** 

n/a 

**4.5** (42) 

**Software Advice, Inc** 

**4.51** (132) 

n/a 

**Capterra Inc** 

**4.5** (134) 

**4.4** (29) 

**Gartner, Inc** 

n/a 

**4.9** (9) 

###  Awards

SelectHub awards earned by these products based on a comprehensive analysis by our research analysts.

 Kartra stands above the rest by achieving an ‘Excellent’ rating as a User Favorite. 

![User Favorite Award]()

 Email on Acid stands above the rest by achieving an ‘Excellent’ rating as a User Favorite. 

![User Favorite Award]()

###  Product Assistance

 Training Resources

Documentation

In Person

Live Online

Videos

Webinars

Documentation

In Person

Live Online

Videos

Webinars

 Support

Email

Phone

Chat

FAQ

Forum

Knowledge Base

24/7 Live Support

Email

Phone

Chat

FAQ

Forum

Knowledge Base

24/7 Live Support

###  Product Basics

 Company Size 

 i

Small

Medium

Large

Small

Medium

Large

 Platforms Supported

Windows

Mac

Linux

Android

Chromebook

Windows

Mac

Linux

Android

Chromebook

 Deployment Supported

Cloud

On-Premise

Mobile

Cloud

On-Premise

Mobile

 Comparison of Top Alternatives

[ Kartra Alternatives](https://www.selecthub.com/marketing-automation-software/kartra/alternatives/) 

[ Email on Acid Alternatives](https://www.selecthub.com/email-marketing-software/email-on-acid/alternatives/) 

###  Screenshots

![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]() 

![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]()![Screenshots]() 

###  Key Features

* **Drag-and-Drop Page Builder:** Create visually appealing web pages with ease using a user-friendly interface that requires no coding skills.
* **Email Marketing Automation:** Design and automate email campaigns with advanced triggers and sequences to engage your audience effectively.
* **Sales Funnel Creation:** Build comprehensive sales funnels with customizable templates to guide prospects through the buying process.
* **Membership Site Management:** Develop and manage membership sites with tiered access levels and content dripping capabilities.
* **Integrated Shopping Cart:** Seamlessly handle transactions with a built-in shopping cart that supports multiple payment gateways.

 read more... 

* **Email Previews:** View how your email will appear across 90+ clients and devices, ensuring consistent presentation.
* **Spam Testing:** Analyze your email against major spam filters to identify potential issues before sending.
* **Accessibility Checks:** Evaluate your emails for accessibility compliance, including color contrast and screen reader compatibility.
* **Code Analysis:** Utilize the HTML optimizer to clean up and streamline your email code for better performance.
* **Analytics Dashboard:** Access detailed reports on email performance, including open rates and engagement metrics.

 read more... 

###  Top Alternatives in Marketing Automation Software 

[  ActiveCampaign ](https://www.selecthub.com/p/marketing-automation-software/activecampaign/) [  AWeber ](https://www.selecthub.com/p/email-marketing-software/aweber/) [  Brevo ](https://www.selecthub.com/p/email-marketing-software/brevo/) [  Constant Contact ](https://www.selecthub.com/p/email-marketing-software/constant-contact/) [  Eloqua ](https://www.selecthub.com/p/marketing-automation-software/eloqua/) [  GetResponse ](https://www.selecthub.com/p/email-marketing-software/getresponse/) [  HubSpot Marketing Hub ](https://www.selecthub.com/p/marketing-automation-software/hubspot-marketing-hub/) [  Keap ](https://www.selecthub.com/p/crm-software/keap/) [  Klaviyo ](https://www.selecthub.com/p/marketing-automation-software/klaviyo/) [  Mailchimp ](https://www.selecthub.com/p/marketing-automation-software/mailchimp/) [  Marketing Cloud Account Engagement ](https://www.selecthub.com/p/marketing-automation-software/marketing-cloud-account-engagement/) [  Marketo ](https://www.selecthub.com/p/marketing-automation-software/marketo/) [  Omnisend ](https://www.selecthub.com/p/email-marketing-software/omnisend/) [  Ortto ](https://www.selecthub.com/p/marketing-automation-software/ortto/) [  Sendinblue ](https://www.selecthub.com/p/email-marketing-software/sendinblue/) 

###  Head-to-Head Comparison

![Kartra Software Tool]() 

![ActiveCampaign Software Tool]() 

[Kartra VS ActiveCampaign](https://www.selecthub.com/marketing-automation-software/activecampaign-vs-kartra/) 

![Kartra Software Tool]() 

![Constant Contact Software Tool]() 

[Kartra VS Constant Contact](https://www.selecthub.com/email-marketing-software/constant-contact-vs-kartra/) 

![Kartra Software Tool]() 

![Eloqua Software Tool]() 

[Kartra VS Eloqua](https://www.selecthub.com/marketing-automation-software/kartra-vs-eloqua/) 

![Kartra Software Tool]() 

![GetResponse Software Tool]() 

[Kartra VS GetResponse](https://www.selecthub.com/email-marketing-software/getresponse-vs-kartra/) 

![Kartra Software Tool]() 

![Klaviyo Software Tool]() 

[Kartra VS Klaviyo](https://www.selecthub.com/marketing-automation-software/klaviyo-vs-kartra/) 

![Kartra Software Tool]() 

![Mailchimp Software Tool]() 

[Kartra VS Mailchimp](https://www.selecthub.com/marketing-automation-software/mailchimp-vs-kartra/) 

![Kartra Software Tool]() 

![Marketing Cloud Account Engagement Software Tool]() 

[Kartra VS Marketing Cloud Account Engagement](https://www.selecthub.com/marketing-automation-software/kartra-vs-marketing-cloud-account-engagement/) 

![Kartra Software Tool]() 

![Marketo Software Tool]() 

[Kartra VS Marketo](https://www.selecthub.com/marketing-automation-software/marketo-vs-kartra/) 

![Kartra Software Tool]() 

![Omnisend Software Tool]() 

[Kartra VS Omnisend](https://www.selecthub.com/marketing-automation-software/kartra-vs-omnisend/) 

![Kartra Software Tool]() 

![Ortto Software Tool]() 

[Kartra VS Ortto](https://www.selecthub.com/marketing-automation-software/ortto-vs-kartra/) 

![Kartra Software Tool]() 

![Sendinblue Software Tool]() 

[Kartra VS Sendinblue](https://www.selecthub.com/marketing-automation-software/kartra-vs-sendinblue/) 

![Kartra Software Tool]() 

![SharpSpring Software Tool]() 

[Kartra VS SharpSpring](https://www.selecthub.com/marketing-automation-software/sharpspring-vs-kartra/) 

**About SelectHub (and our data)** 

We’re the employee-owned Austin-based startup democratizing software data so you can make your decisions in an influence-free zone. Our market data is crowdsourced from our user-base of 100,000+ companies.

WE DISTILL IT INTO REAL REQUIREMENTS, COMPARISON REPORTS, PRICE GUIDES and more...

![SelectHub Products Reporting and Analytics]() 

[ Build Your Requirements](https://pmo.selecthub.com/marketing-automation-software-requiremen/)

![SelectHub Products Cost and Pricing Guide]() 

[ Get Your Free Comparison Report](https://pmo.selecthub.com/request-custom-scorecard/?category=Marketing%20Automation%20Software)

**Tier 1:**  
 Fully/moderately supported out-of-the-box allowing for quick and easy deployment.  
Fully or moderately supported out-of-the-box with industry-leading capabilities and is immediately available after installation without needing any add-ons, integrations, or custom development. 

**Tier 2:**  
 Supported with workarounds or add-ons that may require additional costs.  
Not directly available in the software, but can be accomplished using other built-in features, workarounds, or add-ons/products from the vendor with or without any additional cost. 

**Tier 3:**  
 Requires partner integrations or custom development that is often at an additional cost.  
Requires additional integrations, plugins, marketplace applications from a third-party vendor, or custom development using the APIs, libraries, extensions, and development framework supported by the software, with or without any additional cost. 

[Close](#) 

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