
SEMRush
Ahrefs
Serpstat
SE Ranking
SEO PowerSuite
Majestic
Ubersuggest
Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.

Postalytics
PostcardMania
Mailjoy
Lob
PostGrid
Automated postcard campaigns with built-in phone follow-up. Send recall cards, seasonal promos, and reactivation postcards. Free to start, Pro from $99/mo.
Which is more popular?
Based on our record, Moz seems to be more popular. It has been mentioned 50 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | moz.com | postknock.com |
| Pricing | ||
| Company | Startup from the United States · 100 - 249 employees · 2004 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Moz 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...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
MOZ vs SEMRush 2019 - Side by Side Comparison: Which SEO Tool is Better?
More videos
PostKnock Demo
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Moz and PostKnock. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


While free tools like Google Trends are excellent starting points, they might not offer the depth of data you need as you grow. If you’re serious about affiliate marketing keyword research, investing in a paid tool...
Moz built the Domain Authority metric that the entire industry adopted. Additionally, Moz Local is purpose-built for businesses managing citations, local listings, and NAP consistency across directories.
Moz provides powerful SEO insights with accurate keyword tracking, site audits, and link analysis. It's an all in one platform that helps improve rankings and understand competitors, making it great for businesses...
We have no reviews of PostKnock yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Ultimately, the Moz DA/PA Checker tool is a powerful diagnostic instrument, not the destination itself. It effectively signals a website's accrued link equity, or its Authority. However, to translate that authority into sustainable... - Source: dev.to / 11 months ago
The Moz API transforms link intelligence into actionable competitive insights. By making Domain Authority, Page Authority, and Spam Score easily accessible and scalable, it empowers SEO professionals to:. - Source: dev.to / 11 months ago
Domain Authority is created by Moz and predicts how likely your website is to rank well in search engine results. - Source: dev.to / about 1 year ago
Tracking PostKnock since May 2026.
When comparing Moz and PostKnock, you can also consider the following products.

All-in-one Marketing Toolkit for digital marketing professionals.
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Automated direct mail software that’s faster, smarter & better. Postalytics sends personalized direct mail from your CRM and analyzes delivery & response.
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Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
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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.
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Serpstat is the Swiss army knife for automating SEO processes. With a suite of powerful modules, you can track your performance, analyze your competitors, research keywords and backlinks, audit your website, and so much more.
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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.
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