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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

Description

Coldletter is an email design and automation layer that helps teams create, manage, and send product emails without replacing their existing email provider. It connects with delivery services such as SendGrid, Postmark, Amazon SES, Mailgun, Resend, and SparkPost, giving companies flexibility while keeping sending infrastructure intact. The platform includes a visual editor where teams can build templates, add variables, reuse blocks, and preview emails across clients such as Gmail, Outlook, and Apple Mail. Every template is designed to be responsive, accessible, and safe for dark mode by default. Developers can trigger templates through a single API request while Coldletter handles rendering, data merging, routing, retries, suppression, and idempotency. Marketing, lifecycle, design, and product teams can use the platform to manage email content without constantly relying on engineering for every change. Journey automation tools allow users to create workflows based on events, schedules, engagement, attributes, or A/B testing paths. Version control, template diffs, rollbacks, localization, test sends, roles, approvals, and analytics help teams manage production emails with more confidence. Coldletter gives organizations a structured way to build polished product emails while improving collaboration between technical and non-technical teams.

Description

Enhance the value of your customers over time while decreasing the instances of cart abandonment. Rejoiner equips you with comprehensive email marketing tools, software, and expert consulting to boost your conversion rates and exceed your revenue targets. By integrating data from purchase history, browsing habits, marketing engagements, in-store visits, and catalog interactions, you can create a thorough profile and scoring system for each customer. Automated triggers ensure that marketing efforts reach customers at the most strategic points in their journey, including moments such as Cart Abandonment, Browse Abandonment, Price Drops, Post-Purchase follow-ups, Birthday messages, and Win-Back campaigns. You can also craft dynamic customer segments to effectively evaluate potential audiences and dispatch focused emails in just a few minutes. Each customer is automatically scored based on their purchasing habits and email interaction, allowing for better insights. By refining your customer lifecycle strategy, you can significantly enhance conversions at each phase of the customer experience. Taking full advantage of these tools not only boosts customer satisfaction but also fosters long-term loyalty.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

No images available

Screenshots View All

Integrations

SendGrid Yes 
Abacum No 
Amazon SES Yes 
AmeriCommerce No 
Causal No 
Google Analytics No 
Mailgun No 
Playable No 
Poplar No 
Postmark Yes 
Shopify No 
ViralSweep No 
WordPress No 

Integrations

SendGrid Yes 
Abacum Yes 
Amazon SES No 
AmeriCommerce Yes 
Causal Yes 
Google Analytics Yes 
Mailgun Yes 
Playable Yes 
Poplar Yes 
Postmark No 
Shopify Yes 
ViralSweep Yes 
WordPress Yes 

Pricing Details

$0
Free Trial No 
Free Version Yes 

Pricing Details

$199.00/month
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) Yes 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Vendor Details

Company Name

Optosoftware inc.

Founded

2025

Country

Canada

Website

coldletter.com

Vendor Details

Company Name

Rejoiner

Founded

2011

Country

United States

Website

rejoiner.com

Product Features

Email Marketing

A/B Testing No 
Artificial Intelligence No 
Auto-Responders No 
CAN SPAM Compliance No 
Customer Surveys No 
Drip Campaigns No 
Dynamic Content No 
Event Triggered Email No 
Image Library No 
Landing Pages/Web Forms No 
Mailing List Management No 
Mobile Optimized Emails No 
Reporting/Analytics No 
Subscriber Management No 
Template Management No 
WYSIWYG Email Editor No 

Email Template Design

A/B Testing No 
Code From Scratch No 
Drag & Drop Editing No 
Image Library No 
Import HTML Code No 
Mobile-Friendly / Responsive No 
Potential Issue Identification No 
Premade Templates No 
Proofing No 
Reporting / Analytics No 
Text Editor No 
Theme Editor No 

Product Features

eCommerce Marketing

AB Testing No 
Abandoned Cart Email No 
Analytics / ROI Tracking No 
Customer Data Profiles No 
Dynamic Content No 
Email Marketing No 
Email Personalization No 
Facebook Ads No 
Google Ads No 
Product Recommendations No 
Push Notifications No 
Retargeting No 
SMS Marketing No 
Search Marketing No 
Segmentation No 
Signup Forms & Popups No 
Social Marketing No 
Triggered Emails No 
Website Visitor Tracking No 

Email Marketing

A/B Testing No 
Artificial Intelligence No 
Auto-Responders Yes 
CAN SPAM Compliance Yes 
Customer Surveys Yes 
Drip Campaigns Yes 
Dynamic Content Yes 
Event Triggered Email Yes 
Image Library Yes 
Landing Pages/Web Forms Yes 
Mailing List Management Yes 
Mobile Optimized Emails Yes 
Reporting/Analytics Yes 
Subscriber Management Yes 
Template Management Yes 
WYSIWYG Email Editor Yes 

Email Template Design

A/B Testing No 
Code From Scratch No 
Drag & Drop Editing No 
Image Library No 
Import HTML Code No 
Mobile-Friendly / Responsive No 
Potential Issue Identification No 
Premade Templates No 
Proofing No 
Reporting / Analytics No 
Text Editor No 
Theme Editor No 

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