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edX VS PostKnock

Compare edX VS PostKnock and see what are their differences

edX

Best Courses. Top Institutions. Learn anytime, anywhere.

Rating
0 reviews
Alternatives Is it good?
PostKnock

Automated postcard campaigns with built-in phone follow-up. Send recall cards, seasonal promos, and reactivation postcards. Free to start, Pro from $99/mo.

Rating
0 reviews
Pricing
Freemium $99 / Monthly (Pro - Call Queue and Multi-wave campaigns, lower piece pricing)
Alternatives Is it good?
FlexiQuiz
FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, edX seems to be more popular. It has been mentioned 235 times since March 2021.

social mentions
235 vs 0
Online Learning popularity
100% vs 0%
alternatives listed
240+ vs 5

Base details

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

edX
PostKnock
Website edx.org postknock.com
Pricing —
Freemium $99 / Monthly (Pro - Call Queue and Multi-wave campaigns, lower piece pricing) Official pricing
Company Startup from the United States 2026
Listed in
Online Learning Online Courses Education Online Education +1
Marketing Direct Mail Postcards Design Tools Web To Print Marketing Platform Outsource Print And Mail +4

About edX and PostKnock

In their own words, as submitted to SaaSHub.

edX
PostKnock

No description of edX yet.

PostKnock combines direct mail postcards with automated phone follow-up calls in a single platform. Choose a pre-built campaign playbook (dental recall, HVAC seasonal, etc.), upload your contact list, and PostKnock handles printing, mailing via USPS, and queues your front desk for follow-up calls...

Read more about PostKnock

Features and specs

What each product offers, as listed by its team.

edX 6 features
PostKnock 4 features
  • High-Quality Courses
    edX offers courses from prestigious universities and institutions such as MIT, Harvard, and Berkeley, ensuring high educational standards.
  • Variety of Subjects
    A vast array of subjects is available, ranging from computer science and engineering to humanities and business, catering to diverse learning interests.
  • Verified Certificates
    Learners can earn verified certificates upon course completion, adding value to their resumes and LinkedIn profiles.
  • Flexible Learning
    Most courses are self-paced, allowing learners to progress at their own speed and fit study time into their schedules.
  • Audit Option
    Many courses can be audited for free, giving learners access to course materials without the need to pay for certification.
  • Professional Series and MicroMasters Programs
    edX offers specialized programs that provide deeper learning in particular subject areas, which can be beneficial for career advancement.

Possible disadvantages

  • Cost of Certificates
    While many courses can be audited for free, obtaining a verified certificate requires a fee, which can be a barrier for some learners.
  • Course Rigor
    The high quality of courses often means they are rigorous and may require a significant time commitment and level of prior knowledge.
  • Limited Interaction
    Interaction with instructors and peers may be limited compared to traditional classroom settings, which could affect the learning experience for some students.
  • Variable Course Quality
    While many courses are excellent, the quality can vary depending on the institution and instructor, leading to an inconsistent learning experience.
  • Technical Requirements
    Some learners may face technical difficulties accessing course materials and activities, especially if the platform undergoes updates or if they have slower internet connections.
  • Postcards
    Send postcards 6x4, 6x9 and 6x11 sizes supported
  • Multi-sequence
    Support multi-sequence campaigns where multiple touches are needed to activate customers
  • Call Queue
    Automatic call queue management to followup after postcards are delivered
  • Design Studio
    Free postcard design tool purpose-built for businesses to quickly draft custom offers around their branding

Analysis

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

edX
PostKnock

Overall verdict

  • edX is considered a good platform for online learning due to its comprehensive course offerings, partnerships with esteemed institutions, and commitment to providing accessible education. However, as with any platform, the value can vary based on individual learning preferences and goals.

Why this product is good

  • edX is a reputable online learning platform that offers courses from top universities and institutions around the world. It provides a diverse range of subjects, including computer science, business, humanities, and data science, allowing learners to access high-quality education from industry experts and renowned professors. The platform is known for its rigorous academic standards and includes options for certification and degrees, making it a valuable resource for both personal and professional development.

Recommended for

    edX is recommended for learners who are looking for high-quality educational content from reputable sources, individuals seeking to enhance their professional skills through verified certificates, lifelong learners interested in expanding their knowledge across various fields, and those considering pursuing a flexible and affordable online degree program.

Overall verdict

  • I don't have verified, up-to-date information about PostKnock (postknock.com) in my knowledge base, so I can't confidently confirm its quality, pricing, or feature set. Before relying on it, check recent independent reviews, verify the company's legitimacy (business registration, contact info), test any free trial, and look at user feedback on sites like Trustpilot, G2, or Reddit.

Why this product is good

  • No verified data available in my training to confirm claims about features or performance
  • Unable to confirm company legitimacy, support quality, or pricing accuracy without current information
  • Recommend checking live reviews, social proof, and refund/trial policies directly on their site

Recommended for

  • Users willing to do independent due diligence before subscribing
  • Those who can test the product via a free trial or demo before committing
  • Not recommended for high-stakes use without first verifying legitimacy and reviews

Videos

Walkthroughs and reviews on video.

edX 2 videos + Add
PostKnock 1 video + Add

The Best Open Online Courses - Coursera, Udacity, edX Review

More videos

  • - edX Online Tutorial Course Review on How it Works

PostKnock Demo

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
edX
PostKnock
100% 100%
Online Learning
0% 0%
0% 0%
Direct Mail
100% 100%
100% 100%
Education
0% 0%
0% 0%
Postcards
100% 100%

User comments

Share your experience with using edX and PostKnock. 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.

edX no reviews yet
PostKnock no reviews yet

View more

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

Social recommendations and mentions

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

edX 235 mentions
PostKnock 0 mentions
  • So I made a python script to add entries to your dynamic config.yml file dynamically
    Let me know what you think and if you have suggestions to resolve that bug. I'm learning programming and have next to no python experience, I am taking CS50 through edx.org and the AI at chatgpt did most of the work. Source: about 3 years ago
  • Think I might change my name...
    Im sorry man I want to be sympathetic but people like you cost an incalculable amount of people far more than you could even imagine and I truly believe that if hell exists you will be going there. I am serious though about seeking... Source: about 3 years ago
  • I’m homeschooled but my parents don’t teach me a thing
    Khanacademy.org is a fantastic resource for math, as well as many other courses. If you have access to the internet, try taking some of the courses there. They mirror what is taught in public schools with classes for all grade levels.... Source: over 3 years ago

View more

Tracking PostKnock since May 2026.

Alternatives to edX and PostKnock

When comparing edX and PostKnock, you can also consider the following products.

  • Coursera

    Build skills with courses, certificates, and degrees online from world-class universities and companies

    Compare Coursera to edX or PostKnock:

    Coursera vs edX Coursera vs PostKnock
  • Postalytics

    Automated direct mail software that’s faster, smarter & better. Postalytics sends personalized direct mail from your CRM and analyzes delivery & response.

    Compare Postalytics to edX or PostKnock:

    Postalytics vs edX Postalytics vs PostKnock
  • Khan Academy

    Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.

    Compare Khan Academy to edX or PostKnock:

    Khan Academy vs edX Khan Academy vs PostKnock
  • PostcardMania

    PostcardMania specializes in results-driven multichannel marketing, offering simple and streamlined solutions that include everything from custom campaigns to plug-and-play automations that trigger highly personalized mail pieces.

    Compare PostcardMania to edX or PostKnock:

    PostcardMania vs edX PostcardMania vs PostKnock
  • Udemy

    Online Courses - Learn Anything, On Your Schedule

    Compare Udemy to edX or PostKnock:

    Udemy vs edX Udemy vs PostKnock
  • Mailjoy

    Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.

    Compare Mailjoy to edX or PostKnock:

    Mailjoy vs edX Mailjoy vs PostKnock
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