
Otterly.AI
SEMRush
Ahrefs
LLMrefs
Am I on AI
Promptwatch
Diploria AI
Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.

Ghost
Medium
Buttondown
WordPress
beehiiv
MailChimp
Notocat
With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.

Which is more popular?
Based on our record, Substack seems to be more popular. It has been mentioned 109 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tryprofound.com | substack.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
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.
Profound Tutorial & Review For Beginners 2026
More videos
Monetizing Podcasts and Newsletters - Chris Best of Substack and Jonathan Gill of Backtracks
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Profound offers a free 7-day trial with 50 daily prompts on ChatGPT, Gemini and AI Overviews. After that it's Enterprise only, priced on a demo call, with up to 9 engines.
Say they read the public interface: Miraqo, SE Ranking, Otterly.AI, Peec AI (logged out; its add-on models run through APIs) and Profound. Semrush says its answers are "captured from real requests and not via any APIs...
Profound gives a useful way to understand how brands appear across AI search and generative platforms. The platform helps surface visibility patterns, competitor presence, and broader shifts in how AI systems...
Substack offers writers of all experience levels the ability to write an email newsletter that’s profitable through subscriptions. Substack provides purpose-built web and newsletter publishing tools to enable writers...
What sеts Substack apart is its sеamlеss intеgration of contеnt crеation and subscription-basеd monеtization. Substack’s usеr-friеndly intеrfacе, distribution tools, and support for various contеnt formats make it a...
Substack and Medium differ primarily in their monetization methods. Medium pays creators based on reader engagement, while Substack enables writers to monetize directly through paid subscriptions to their newsletters....
Recommendations tracked on public social media and blogs since March 2021.


Tracking Profound since Feb 2026.
Https://substack.com/@rubenafo/note/c-332218129?r=26y5kn&utm_source=notes-share-action&utm_medium=web. - Source: Hacker News / 5 days ago
Https://substack.com/@gurwinder/posts. - Source: Hacker News / 9 days ago
Substack: https://substack.com/@friedkielbasa. - Source: Hacker News / 12 days ago
When comparing Profound and Substack, you can also consider the following products.

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Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
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All-in-one Marketing Toolkit for digital marketing professionals.
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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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Buttondown is the best way to start and run your newsletter
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