Email Marketing App Popularity Ranking & Comparison (Updated September 2025)

Email marketing is essential for increasing repeat purchases.
Color Me Shop offers a variety of apps that allow you to automatically send promotional emails to existing and potential customers, send step emails, and easily create and send HTML emails without any coding.
In this article, we will introduce the popular apps among them based on the number of installations!
(Target period: 2024/09/01 - 2025/08/31)

[1st Place] Cart Recovery

"Cart Recovery," which allows you to send reminder emails to customers who have abandoned their carts, took 1st place.
Cart abandonment emails are a classic strategy for increasing purchase rates; they are simple, easy to understand, and used by a great number of shops.
It is a completely pay-as-you-go service, so you are not charged unless a purchase is made via email.
If you haven't introduced it yet, please give it a try.
▼ Available from 0 yen

[2nd Place] Restock Notification

2nd place is Restock Notification.
When a customer tries to buy a product, showing only an 'out of stock' label results in a lost opportunity. That is where 'Restock Notification' comes in handy. It features a button that allows customers to request a notification when an item is back in stock, and it can notify them via email or LINE once the item is restocked. It is recommended for shops where popular long-tail products go out of stock for several days to several weeks, or for those who cannot hold large amounts of inventory.
▼ Free trial available

[3rd Place] MakeRepeater App for Color Me Shop Integration

MakeRepeater took 3rd place.
It automatically integrates order, customer (member), and product information from Color Me Shop, and automatically presents an analysis screen (CPM x Sales, RFM, LTV, attributes) that lets you see the shop's status and issues at a glance.
It comes with a wealth of scenarios, so even those new to email marketing can use it without hesitation. It is recommended for those who want to easily approach each customer.
▼ Free trial available

[4th Place] blastmail

This is an HTML email creation and delivery app with the No. 1 market share in the email delivery industry.
If you want to start an email newsletter using HTML emails easily without needing design or coding knowledge, 'blastmail' is recommended.
It also has scheduled delivery and test email functions, as well as basic analysis tools such as open rates and click-through rates. You can create HTML emails with beautiful layouts just by clicking intuitively.
There are also variable tags that can be used in the text, allowing you to change the content for each recipient. This is also a recommended feature for those who want to streamline their routine email creation tasks.
▼ Free trial available

[5th Place] Action Link for Color Me Shop

As the number of customers increases, individual support costs rise, but effective promotion requires detailed attention.
This is a CRM tool that can automatically send customized messages to individual customers. By integrating with Color Me Shop, effective repeat promotion based on each customer's purchase history and behavior is possible from the first day of introduction with a single click using 'Teppan Scenario®'.
You can choose the medium that suits the customer, such as email, LINE, or SMS, for delivery.
Because it can easily increase sales, it is suitable for shops that cannot spare time for customer acquisition and promotion and are looking for automation. It is recommended for shops with 1,000 or more customers or monthly sales of 5 million yen or more.
Please check the usage examples below.

[6th Place] LTV-Lab for Color Me Shop

This is a cost-effective CRM tool that can be started from a low monthly fee of 30,000 yen, with an average introduction ROAS of 564%.
It allows for personalized automated step email delivery. You can set unlimited complex scenario branches that include customer purchase information (purchased products, purchase amount, purchase timing), starting from simple scenarios like cart abandonment delivery or automatic birthday delivery.
It is recommended for shops that want to start nurturing repeat customers and step emails.

[7th Place] BRANDIT relation

This is a no-code tool that allows you to create HTML emails without design knowledge. You can create customer groups and perform automatic delivery with content tailored to each group. You can also easily grasp the effectiveness verification with intuitive graphs, making strategy optimization smooth. It is a cost-effective tool that can be widely used by beginners and advanced users alike.
▼ Free trial available

App Comparison

Automated Email Delivery Apps

This is a comparison of email apps that are automatically delivered based on customer behavior.

Email Marketing Apps

Below is a comparison of email marketing apps.
Please use this as a reference for choosing an app.

What do you think? We hope this helps you when choosing an app.
Please check out our other usage rankings for various apps as well.

▼ Click here for a summary of app usage rankings

The app store also features other popular free tools and high-performance apps that you can try for free. Please make sure to take advantage of these as well!