CartStack vs Flexmail in July 2026

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85% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

CartStack

Email Marketing Software

4.8 22 user ratings

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85% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Flexmail

Email Marketing Software

4.8 26 user ratings

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Featured

92% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

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Campaign Monitor

Email Marketing Software

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Featured

98% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more

Constant Contact

Email Marketing Software

3.4 435 user ratings

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Overview

Description	CartStack is a fully-featured Email Marketing Software designed to serve Startups, SMEs. As shoppers abandon carts on your site, CartStack captures their data in real-time & sends them a series of email reminders at just the right moment to get them to convert. A/B split tests allow you to find the perfect messaging to get shoppers engaged with your emails. CartStack sits quietly in the background of your website, capturing email addresses, phone numbers, and other contact data as it’s typed on any page. The minute you’ve captured a new lead with CartStack, the scour the web to find as much information on that prospect as possible and add it directly to the contact report for you. Read more	Flexmail helps users to understand their target audience through customer data and click behavior, and provide them with targeted and effective messages, both through direct campaigns and through personalized marketing automation scenarios. As a Flexmail user, they are always assured that the user will benefit from the latest ideas and possibilities within our industry. This team identifies the specific needs of the users and new trends and technological evolutions in the market on a constant basis. Read more	An email marketing software that fuels your email marketing campaign with its intuitive drag-and-drop interface. Create emails with its email app-builder and make them look more attractive with hundreds of professionally designed templates. With Campaign Monitor, send timely emails to keep your customers engaged with its unique visual journey designer. It mines your customer’s data and sends them relevant emails that suit their individual interests. It also taps into the behavioural data of your customers that helps in building a one-to-one relationship with every subscriber. It offers you a number of tools that helps you in growing your email list and reaching a bigger audience. Read more	An email marketing software that makes your marketing campaign more powerful with its intuitive features. Its easy-to-use drag and drop interface helps you customize and build attractive looking email templates that best suits your business and audience. Its autoresponder feature allows you to send personalized emails to the right people at the right time. With Constant Contact, just add your contacts to the automate list, and it’ll automatically send them a scheduled series of pre-configured emails that will keep your audience engaged with minimal efforts. Its email tracking tools keep you updated with who’s opening, clicking or sharing your emails or social media posts in real-time. Read more
Pricing Options	Free Trial Available Starts at $29.0.	Free Trial Available	Free Trial Available Starts at $10.8. Offers Free-forever plan.	Free Trial Available Starts at $12.00.
SW Score & Breakdown	85% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more 88% Reviews 60% Momentum 64% Popularity 63%	85% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more 90% Reviews 60% Momentum 60% Popularity 63%	92% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more 98% Reviews 60% Momentum 63% Popularity 68%	98% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read more 98% Reviews 74% Momentum 70% Popularity 70%
SaaSworthy Awards	Not Available	Not Available	# 6 Fastest Growing # 9 Most Popular	# 2 Most Worthy # 3 Fastest Growing

Features

Total Features	15 Features	17 Features	23 Features	26 Features
Common Features for All	A/B Testing Compares two versions of your website to see which one performs better Abandoned Cart Email Sends email to customers who have failed to check out their cart items Auto-Responders Ability to send automated emails to the contacts subscribing to the list. Click Map Allows tracking user click activity and how they interact with email Click-through Tracking Keeps a track of links in the email opened by the customer Contact List Import Ability to import contacts from TXT, EXCEL, CSV formats and also can enter manually Contact Management Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc. Delivery by Time Zone Subscribers receive the email at the exact time they are in their timezone. Document Library Central repository to manage your assets like Images, PDF files, etc., Drag and Drop Editor Lets you customize the elements with images, web forms, boxes, tables, etc. by simple drag and drop interface Drip Campaigns Ability to send emails with respect to time or user actions Email Scheduling Scheduling an email on a specific time or auto-responding to an action Event Triggered Email Sends emails to targeted customers based on their activities Facebook Ads Has an inbuilt tool to set up a Facebook marketing campaign Free Stock Photos Provides a library of free stock photos for commercial use Google Remarketing Ads Allows for retargeting your customers via Google Display Network to increase conversions Instagram Ads Has an inbuilt tool to set up an Instagram marketing campaign List Segmentation Segregates the customers into smaller groups enabling the user to send targeted emails Mailing List Management Segregates the customers into smaller groups enabling the user to send targeted emails Mobile App Helps your team to stay top on the business everywhere Predesigned Email Templates Provides a library of templates to build an email RSS to Email Helps users to receive any new updates or the latest news from the website Real-time Email Editor Helps to view the email while editing at the same time Send Time Optimization Helps to find the best sending time to engage with your customer Sign Up Forms Build sign up forms to allow website visitors to join your mailing list Spam Check Verifies the content of emails so that it doesn't end up in the spam folder Template Management Enables the user to create templates and modify and customise them later + 12 More - Show Less	A/B Testing Compares two versions of your website to see which one performs better Abandoned Cart Email Sends email to customers who have failed to check out their cart items Auto-Responders Ability to send automated emails to the contacts subscribing to the list. Click Map Allows tracking user click activity and how they interact with email Click-through Tracking Keeps a track of links in the email opened by the customer Contact List Import Ability to import contacts from TXT, EXCEL, CSV formats and also can enter manually Contact Management Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc. Delivery by Time Zone Subscribers receive the email at the exact time they are in their timezone. Document Library Central repository to manage your assets like Images, PDF files, etc., Drag and Drop Editor Lets you customize the elements with images, web forms, boxes, tables, etc. by simple drag and drop interface Drip Campaigns Ability to send emails with respect to time or user actions Email Scheduling Scheduling an email on a specific time or auto-responding to an action Event Triggered Email Sends emails to targeted customers based on their activities Facebook Ads Has an inbuilt tool to set up a Facebook marketing campaign Free Stock Photos Provides a library of free stock photos for commercial use Google Remarketing Ads Allows for retargeting your customers via Google Display Network to increase conversions Instagram Ads Has an inbuilt tool to set up an Instagram marketing campaign List Segmentation Segregates the customers into smaller groups enabling the user to send targeted emails Mailing List Management Segregates the customers into smaller groups enabling the user to send targeted emails Mobile App Helps your team to stay top on the business everywhere Predesigned Email Templates Provides a library of templates to build an email RSS to Email Helps users to receive any new updates or the latest news from the website Real-time Email Editor Helps to view the email while editing at the same time Send Time Optimization Helps to find the best sending time to engage with your customer Sign Up Forms Build sign up forms to allow website visitors to join your mailing list Spam Check Verifies the content of emails so that it doesn't end up in the spam folder Template Management Enables the user to create templates and modify and customise them later + 14 More - Show Less	A/B Testing Compares two versions of your website to see which one performs better Abandoned Cart Email Sends email to customers who have failed to check out their cart items Auto-Responders Ability to send automated emails to the contacts subscribing to the list. Click Map Allows tracking user click activity and how they interact with email Click-through Tracking Keeps a track of links in the email opened by the customer Contact List Import Ability to import contacts from TXT, EXCEL, CSV formats and also can enter manually Contact Management Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc. Delivery by Time Zone Subscribers receive the email at the exact time they are in their timezone. Document Library Central repository to manage your assets like Images, PDF files, etc., Drag and Drop Editor Lets you customize the elements with images, web forms, boxes, tables, etc. by simple drag and drop interface Drip Campaigns Ability to send emails with respect to time or user actions Email Scheduling Scheduling an email on a specific time or auto-responding to an action Event Triggered Email Sends emails to targeted customers based on their activities Facebook Ads Has an inbuilt tool to set up a Facebook marketing campaign Free Stock Photos Provides a library of free stock photos for commercial use Google Remarketing Ads Allows for retargeting your customers via Google Display Network to increase conversions Instagram Ads Has an inbuilt tool to set up an Instagram marketing campaign List Segmentation Segregates the customers into smaller groups enabling the user to send targeted emails Mailing List Management Segregates the customers into smaller groups enabling the user to send targeted emails Mobile App Helps your team to stay top on the business everywhere Predesigned Email Templates Provides a library of templates to build an email RSS to Email Helps users to receive any new updates or the latest news from the website Real-time Email Editor Helps to view the email while editing at the same time Send Time Optimization Helps to find the best sending time to engage with your customer Sign Up Forms Build sign up forms to allow website visitors to join your mailing list Spam Check Verifies the content of emails so that it doesn't end up in the spam folder Template Management Enables the user to create templates and modify and customise them later + 20 More - Show Less	A/B Testing Compares two versions of your website to see which one performs better Abandoned Cart Email Sends email to customers who have failed to check out their cart items Auto-Responders Ability to send automated emails to the contacts subscribing to the list. Click Map Allows tracking user click activity and how they interact with email Click-through Tracking Keeps a track of links in the email opened by the customer Contact List Import Ability to import contacts from TXT, EXCEL, CSV formats and also can enter manually Contact Management Organizing customer data in a centralized location and handling contact details, demographics, transactions, etc. Delivery by Time Zone Subscribers receive the email at the exact time they are in their timezone. Document Library Central repository to manage your assets like Images, PDF files, etc., Drag and Drop Editor Lets you customize the elements with images, web forms, boxes, tables, etc. by simple drag and drop interface Drip Campaigns Ability to send emails with respect to time or user actions Email Scheduling Scheduling an email on a specific time or auto-responding to an action Event Triggered Email Sends emails to targeted customers based on their activities Facebook Ads Has an inbuilt tool to set up a Facebook marketing campaign Free Stock Photos Provides a library of free stock photos for commercial use Google Remarketing Ads Allows for retargeting your customers via Google Display Network to increase conversions Instagram Ads Has an inbuilt tool to set up an Instagram marketing campaign List Segmentation Segregates the customers into smaller groups enabling the user to send targeted emails Mailing List Management Segregates the customers into smaller groups enabling the user to send targeted emails Mobile App Helps your team to stay top on the business everywhere Predesigned Email Templates Provides a library of templates to build an email RSS to Email Helps users to receive any new updates or the latest news from the website Real-time Email Editor Helps to view the email while editing at the same time Send Time Optimization Helps to find the best sending time to engage with your customer Sign Up Forms Build sign up forms to allow website visitors to join your mailing list Spam Check Verifies the content of emails so that it doesn't end up in the spam folder Template Management Enables the user to create templates and modify and customise them later + 23 More - Show Less

Technical Details

Organization Types Supported	Individuals Freelancers Large Enterprises Medium Business Small Business	Individuals Freelancers Large Enterprises Medium Business Small Business	Individuals Freelancers Large Enterprises Medium Business Small Business	Individuals Freelancers Large Enterprises Medium Business Small Business
Platforms Supported	SaaS/Web/Cloud Mobile - Android Mobile - iOS	SaaS/Web/Cloud Mobile - Android Mobile - iOS	SaaS/Web/Cloud Mobile - Android Mobile - iOS	SaaS/Web/Cloud Mobile - Android Mobile - iOS
Modes of Support	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online
API Support	Available	Available	Available	Available

Reviews & Ratings

User Rating	4.8/5 22 user ratings	4.8/5 26 user ratings	Not Available	3.4/5 435 user ratings
Rating Distribution	Excellent 77.3% Very Good 22.7% Average 0% Poor 0% Terrible 0%	Excellent 80.8% Very Good 15.4% Average 3.8% Poor 0% Terrible 0%	Not Available	Excellent 57.7% Very Good 1.8% Average 1.4% Poor 2.3% Terrible 36.8%
User Sentiments	Not Available	Not Available	Excellent Customer Support, Ease of Use, Great Email Templates, High Email Deliverability Limited Customization Options, Limited Email Template Builder Functionality, Slow Loading Times, Confusing List Management Interface	Easy To Use Interface, Helpful Customer Service, Effective Email Marketing, Robust Reporting & Analytics Limited Design Customization, Occasional Software Glitches, Inconsistent Mobile App Experience, Lack of Extensive Third Party Integrations
Review Summary	Not Available	Not Available	Campaign Monitor is a popular email marketing software praised for its user-friendly interface, comprehensive features, and excellent customer support. Reviewers appreciate its robust automation capabilities, customizable templates, and detailed analytics, making it suitable for businesses of all sizes. Many users highlight its intuitive drag-and-drop email builder, which simplifies campaign creation and allows for personalized content. However, some reviewers mention occasional technical issues and limited integration options as areas for improvement. Overall, Campaign Monitor is highly regarded for its ease of use, feature-rich platform, and effective email marketing solutions.	Overall, Constant Contact receives positive feedback from users, earning an average rating of 4.3 out of 5 stars across multiple review platforms. Reviewers appreciate its user-friendliness, comprehensive features for email marketing campaigns, and helpful customer support. The platform's drag-and-drop email builder and pre-designed templates are highly praised for their ease of use, enabling users to create professional-looking emails without requiring technical expertise. Additionally, Constant Contact's detailed analytics and reporting capabilities are valued for providing valuable insights into campaign performance and audience engagement.
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Pricing

Pricing Options	Free Trial Available Starts at $29.0.	Free Trial Available	Free Trial Available Starts at $10.8. Offers Free-forever plan.	Free Trial Available Starts at $12.00.
Pricing Plans Monthly Plans Annual Plans	Basic $29.00 $39.00 per month Pro $49.00 $69.00 per month Agency $149.00 $169.00 per month	Essential Others Pro Others Premium Others	Free Free Lite $10.80 $12.00 per month Essentials $26.10 $29.00 per month Premier $143.10 $159.00 per month	Lite $12.00 $12.00 per month Standard $35.00 $35.00 per month Premium $80.00 $80.00 per month
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