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ConvertKit VS Undersend

Compare ConvertKit VS Undersend and see what are their differences

ConvertKit

Email marketing software for online creators. We help you earn a living online through an intuitive email marketing automation tool.

Rating
0 reviews
Alternatives Is it good?
Undersend

Send activities-based emails to your users to increase engagement and conversion rate.

Rating
0 reviews
Pricing
Freemium Free trial
Alternatives Is it good?
Alterable
Real-time, open-time content for email: countdown timers, dynamic images, live product picks, geo-targeted maps, one-click surveys, and scratch-card rewards. No code, no ESP integration, rendered fresh every time someone opens. sponsored

Which is more popular?

Based on our record, ConvertKit seems to be more popular. It has been mentioned 22 times since March 2021.

social mentions
22 vs 0
Email Marketing popularity
97% vs 3%
alternatives listed
240+ vs 13

Base details

Website, pricing, platforms and company facts side by side.

ConvertKit
Undersend
Website kit.com undersend.com
Pricing
Official pricing
Freemium Free trial Official pricing
Platforms —
Browser
Company Startup from the United States 2020
Listed in
Email Marketing Email Marketing Platforms Newsletter Marketing Marketing Automation +1
Email Marketing Marketing Automation Email Marketing Platforms Newsletter Marketing +1

About ConvertKit and Undersend

In their own words, as submitted to SaaSHub.

ConvertKit
Undersend

No description of ConvertKit yet.

With Undersend, you can create and send personalized marketing campaigns to your users based on their activities. You can trigger a message when a user does or doesn't do an action. Each email can be personalized by the user properties like first name, sign up date, or whatever you want....

Read more about Undersend

Features and specs

What each product offers, as listed by its team.

ConvertKit 7 features
Undersend 5 features
  • Ease of Use
    ConvertKit offers a user-friendly interface that is straightforward to navigate, making it easy for beginners to set up and use.
  • Automation
    The platform provides robust automation features, allowing users to set up complex email funnels and sequences efficiently.
  • Landing Pages
    ConvertKit includes built-in landing page templates that allow users to quickly create high-converting landing pages.
  • Segmentation
    Users can easily segment their audience based on various factors to send more targeted and personalized emails.
  • Integrations
    ConvertKit integrates with numerous third-party applications and services, facilitating seamless workflow and data synchronization.
  • Support
    Offers excellent customer support, including live chat and email support, as well as a rich knowledge base and community.
  • Affiliate Program
    Provides a lucrative affiliate program that allows users to earn commissions by promoting ConvertKit.

Possible disadvantages

  • Pricing
    ConvertKit is relatively more expensive compared to some other email marketing platforms, which may be a deterrent for small businesses and startups.
  • Limited Design Flexibility
    Although the templates are clean and functional, ConvertKit lacks the advanced design customization options available in some other platforms.
  • Basic Email Templates
    The email templates are relatively basic and limited in variety, which may not suit users looking for elaborate design options.
  • No Free Plan
    ConvertKit does not offer a free plan beyond the initial trial period, which can be a limitation for users not ready to commit financially.
  • Learning Curve for Advanced Features
    While basic functionalities are easy to use, there may be a learning curve for some of the more advanced features and automations.
  • User-Friendly Interface
    Undersend offers a clean and intuitive user interface, making it easy for users to navigate and manage their email campaigns effectively.
  • Automation Capabilities
    The platform provides robust automation features, allowing users to set up automated email sequences and workflows, saving time and effort.
  • Advanced Analytics
    Undersend provides comprehensive analytics and reporting tools, helping users track email performance, open rates, and user engagement.
  • Integration Support
    The platform supports integration with various third-party applications, facilitating seamless data synchronization and workflow automation.
  • Customizable Templates
    Users have access to a range of customizable templates, enabling them to create visually appealing and branded email campaigns.

Possible disadvantages

  • Pricing
    The pricing structure of Undersend may be considered high for small businesses or startups with limited budgets.
  • Learning Curve
    Despite its user-friendly interface, some users may experience a learning curve when exploring more advanced features or integrations.
  • Limited Free Plan
    The free plan offered by Undersend has limitations on the number of emails and contacts, which may not suit the needs of larger email campaigns.
  • Customer Support
    Some users have reported that customer support can be slow to respond to queries or issues, potentially impacting time-sensitive campaigns.
  • Feature Set
    While Undersend covers essential email marketing features, some advanced functionalities available in competing platforms might be absent.

Analysis

An editorial look at what each product does well and who it suits.

ConvertKit
Undersend

Overall verdict

  • ConvertKit is a good choice for those who prioritize ease of use and effective email marketing automation, particularly if they are content creators or entrepreneurs seeking a straightforward yet powerful platform.

Why this product is good

  • ConvertKit is generally well-regarded because of its user-friendly interface, powerful automation features, and robust email marketing capabilities tailored specifically for content creators. It offers seamless integration with various platforms and has a supportive community. It lacks the overwhelming complexity of some larger competitors, making it accessible for smaller teams and individuals.

Recommended for

  • Bloggers
  • Podcasters
  • YouTubers
  • Small business owners
  • Online course creators
  • Freelancers and consultants

Overall verdict

  • I don't have verified information about Undersend (undersend.com), so I can't confidently confirm whether it is a good service. You should evaluate it directly by reviewing its features, pricing, security practices, user reviews, and terms of service before committing.

Why this product is good

  • Unable to verify the company's track record or reputation from available information
  • Checking independent reviews and testimonials can reveal real user experiences
  • Assessing security, privacy policies, and data handling practices helps confirm trustworthiness
  • Comparing its features and pricing against established competitors provides useful context
  • Testing a free trial or starter plan, if available, lets you evaluate it with low risk

Recommended for

  • Users who have independently verified the service meets their needs
  • People willing to test the platform through a trial before full commitment
  • Customers who have read recent, credible third-party reviews
  • Those who have confirmed the service's security and privacy standards

Videos

Walkthroughs and reviews on video.

ConvertKit 3 videos + Add
Undersend 0 videos + Add

ConvertKit Review - Don't Buy Until You See This! (Top 5 Reasons NOT to use ConvertKit)

More videos

  • - Convertkit Review - Why It's the Best Email Marketing Platform for Bloggers!
  • - Convertkit Review- Email Marketing Autoresponder Overview

No Undersend videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ConvertKit
Undersend
97% 97%
Email Marketing
3% 3%
96% 96%
Email Marketing Platforms
4% 4%
92% 92%
Newsletter Marketing
8% 8%
93% 93%
Marketing Automation
7% 7%

User comments

Share your experience with using ConvertKit and Undersend. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

ConvertKit no reviews yet
Undersend no reviews yet

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We have no reviews of Undersend yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ConvertKit 22 mentions
Undersend 0 mentions
  • Ask HN: What Are You Working On? (October 2025)
    Https://SaasCustomDomains.com, it started as a side project while I was working on https://sparkloop.app. https://kit.com acquired SparkLoop and I decided to go full-time on SaaS Custom Domains. It's basically a... - Source: Hacker News / 11 months ago
  • Adding Multiple Authors to my Astro Writing Blog: A Technical Walkthrough
    At the end of last year, my brothers and I wrote our first novel together (The Battle for Christmas: Reign of the Nutcrackers). That experience inspired us to continue writing together, starting with a monthly newsletter with short... - Source: dev.to / over 1 year ago
  • Low/no code signup/demo page for startup?
    I’ve used https://convertkit.com/ for this in the past. - Source: Hacker News / about 3 years ago

View more

Tracking Undersend since Mar 2021.

Alternatives to ConvertKit and Undersend

When comparing ConvertKit and Undersend, you can also consider the following products.

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