LinkedIn vs Substack: Where Should You Publish Your Content?

ByJorge Pereira

If you’re creating content online, one question shows up almost immediately: should you publish on LinkedIn or Substack?

It sounds like a simple choice—but it isn’t. These platforms serve fundamentally different purposes, and understanding that difference can completely change how your content performs.

The Core Difference

At a glance, the distinction is straightforward:

LinkedIn is about visibility and reach.
Substack is about ownership and long-term audience.

One helps you get discovered. The other helps you build something you actually control.

What LinkedIn Is Best For

LinkedIn is, at its core, a distribution engine. It’s designed to push your content in front of as many people as possible, as quickly as possible.

It’s the right platform if your goal is to:

  • Grow your audience quickly
  • Generate engagement through likes, comments, and shares
  • Attract clients, job opportunities, or collaborators
  • Build a strong professional presence

The tradeoff is that your reach is tied to the algorithm. One post might take off, while another barely gets seen. And importantly, you don’t truly own your audience—LinkedIn does.

What Substack Is Best For

Substack operates very differently. It’s a publishing platform built around email, not algorithms.

That makes it ideal if you want to:

  • Build a loyal, returning audience
  • Deliver content directly to inboxes
  • Go deeper with long-form writing
  • Monetize through subscriptions

The tradeoff here is speed. Growth is slower, and virality is less common. But the people who subscribe tend to be far more valuable over time because you have a direct line to them.

LinkedIn Posts vs Articles

Not all LinkedIn content is the same—and this distinction matters.

LinkedIn posts are short-form and designed for reach. They show up directly in the feed, are easy to engage with, and are heavily favored by the algorithm. This is where most visibility happens.

LinkedIn articles, on the other hand, are long-form and live more like blog posts. They can be useful for depth and are indexable by search engines, but they typically receive far less distribution inside LinkedIn.

In practice:

  • Posts = discovery and engagement
  • Articles = depth, but limited reach

Does the Same Strategy Apply?

Not exactly.

The Substack + LinkedIn strategy still works—but with a key adjustment:

Use LinkedIn posts as your primary distribution layer, not articles.

Instead of publishing your full piece as a LinkedIn article, you’re usually better off:

  • Keeping the full version on Substack
  • Turning that into multiple LinkedIn posts
  • Using those posts to drive traffic back to your Substack

LinkedIn articles can still play a role, but they’re secondary. Think of them as optional—not your main channel.

Should You Post the Same Content on Both?

Yes—but not in the same format.

This is where many creators go wrong. They either copy and paste the same content everywhere or post long-form articles on LinkedIn without adapting them.

Instead, the key is to repurpose your content intentionally.

A Simple Strategy That Works

A practical approach looks like this:

  1. Start with Substack as your home base
    Write your full article there. Go deeper into your ideas, add personality, and focus on delivering real value.
  2. Break it into LinkedIn posts
    Instead of reposting the full piece, turn it into multiple shorter posts:
  • A comparison-style post (like “LinkedIn vs Substack”)
  • A quick story or insight
  • A list of key takeaways

Each post should have a strong hook, be easy to skim, and encourage engagement.

  1. Use LinkedIn as your traffic engine
    The goal isn’t just likes—it’s movement. You want people to click through, read your full content, and ideally subscribe to your newsletter.

Can LinkedIn Articles Replace Substack?

Not really.

While LinkedIn articles can be shared externally and may show up in search results, they generally get less visibility and don’t create the same direct relationship that email does.

Email builds connection. Algorithms don’t.

Can You Pin Articles on LinkedIn?

Not directly.

However, you can:

  • Add articles to your Featured section
  • Create a post about the article and pin that post

In practice, this often works better because posts tend to get more visibility than articles.

The Bottom Line

You don’t have to choose between LinkedIn and Substack.

Use them together:

  • LinkedIn to get attention
  • Substack to build an asset

One helps people find you. The other helps you keep them.

Final Thought

If you’re just getting started, LinkedIn is the fastest way to grow an audience.

But don’t stop there.

Start building your email list as early as possible. Platforms evolve, algorithms change—but an audience you own will always be yours.