HubSpot — HubSpot is a full-stack inbound marketing, sales, and CRM software. It works best for SMBs implementing inbound marketing for the first time and Sales teams needing a free CRM with email and pipeline tracking.
Substack — Substack is a newsletter platform that lets writers publish and monetize directly to subscribers. It works best for Independent writers and journalists and Creators monetizing written content.
This comparison covers pricing, key strengths and limitations, and what each tool does best to help you choose the right fit for your workflow.
Quick Comparison
Feature
HubSpot
Substack
Rating
4.6 / 5
4.5 / 5
Pricing Model
Freemium
Free
Starting Price
$20/mo
Free
Category
Marketing & Lead Generation
Marketing & Lead Generation
Free Plan
✓ Yes
✓ Yes
Pros & Cons
HubSpot
Pros
Free CRM includes contact management, pipeline tracking, email scheduling, meeting links, and live chat — meaningful functionality at no cost
Unified contact database across all Hubs eliminates sync issues between marketing campaigns and sales follow-up activities
Workflows automate marketing sequences, internal notifications, deal stage updates, and CRM property changes without code
HubSpot Academy provides free inbound marketing, sales, and product certifications recognized by thousands of hiring managers
Cons
Pricing escalates sharply at professional and enterprise tiers — meaningful automation and reporting require -3,600/mo plans
Marketing Hub contact-based pricing means costs grow with list size, not just feature usage — expensive for large databases
CMS tools are less flexible than standalone platforms; advanced site architecture often still requires supplementary tools or developer work
Substack
Pros
Free to start — Substack takes a 10% cut only when you add paid subscriptions
Built-in payment processing for paid newsletters
Podcast and video support alongside written content
Readers can discover your newsletter via the Substack network
Cons
10% fee on paid subscriptions is higher than some alternatives
Limited design customization compared to platforms like Ghost
No advanced automation or segmentation tools
Who Is It For?
HubSpot is best for
SMBs implementing inbound marketing for the first time
Sales teams needing a free CRM with email and pipeline tracking
B2B companies managing long sales cycles with deal pipelines
Marketing operations teams tracking lead-to-customer attribution
SMBs implementing inbound marketing for the first time
Sales teams needing a free CRM with email and pipeline tracking
B2B companies managing long sales cycles with deal pipelines
Marketing operations teams tracking lead-to-customer attribution
Choose Substack if…
Independent writers and journalists
Creators monetizing written content
Newsletters with strong community engagement
Writers moving away from ad-supported media
Frequently Asked Questions
Is HubSpot better than Substack?+
HubSpot scores 4.6/5 vs Substack's 4.5/5 in our editorial ratings, making it the higher-rated option overall. HubSpot is especially strong for SMBs implementing inbound marketing for the first time.
Which is cheaper, HubSpot or Substack?+
Both tools offer free access. HubSpot is freemium. Paid plans start from $20/mo. Substack is free. Paid plans start from Free (revenue share).
What is the main difference between HubSpot and Substack?+
HubSpot is a full-stack inbound marketing, sales, and CRM software. Substack is a newsletter platform that lets writers publish and monetize directly to subscribers. The key distinction is focus: HubSpot is best suited for SMBs implementing inbound marketing for the first time, while Substack works better for Independent writers and journalists.
Verdict
Recommended choice
HubSpot
Based on our editorial ratings, HubSpot scores higher (4.6/5 vs 4.5/5). HubSpot is particularly well-suited for SMBs implementing inbound marketing for the first time. That said, Substack remains a strong choice if independent writers and journalists is your priority.