Brevo (formerly Sendinblue) vs Substack (2026)

Email + CRM + chat in one affordable bundle — against — Publish, charge and grow — zero upfront cost. Same table, same scoring system, clear verdict.

Affiliate disclosure: Critingo is reader-supported. If you sign up through links on this page we may earn a commission — it costs you nothing extra and never changes our verdicts. We verify pricing and terms regularly, but they change often: always confirm on the vendor's site before buying.

Our pick: Brevo (formerly Sendinblue)Email + CRM + chat in one affordable bundle — scored 4.1/5. The right choice still depends on what you need; the table below shows exactly where they differ.

Head-to-head

Pricing and terms last verified 31 October 2026 — vendors change them often.

Brevo (formerly Sendinblue) 🏆Substack
Free planYes: 300 emails/day freeNo
Paid fromPaid typically from around $9/moNo monthly fee — revenue share instead
Free trialNoneNone
Automations✓✗
Landing pages✓✓
Paid subscriptions✗✓
Ecommerce features✓✗
Our score4.1/54.1/5

Choose Brevo (formerly Sendinblue) if…

  • You're primarily budget-conscious smbs that also want a lightweight crm
  • Priced by email volume, not contacts — great for big lists you rarely mail
  • You can live with: daily sending caps can frustrate heavy senders

Choose Substack if…

  • You're primarily writers who just want to publish
  • Simplest possible start: write and publish in minutes
  • You can live with: no automations — email sequences are impossible
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Brevo (formerly Sendinblue) vs Substack: FAQ

Brevo (formerly Sendinblue) or Substack — which is better in 2026?

For most people matching Brevo (formerly Sendinblue)'s strengths (budget-conscious smbs that also want a lightweight crm), Brevo (formerly Sendinblue) is the stronger choice — it scores 4.1/5 on our four-factor score. But "better" depends on you: choose Brevo (formerly Sendinblue) for budget-conscious smbs that also want a lightweight crm, and Substack for writers who just want to publish.

Is Brevo (formerly Sendinblue) cheaper than Substack?

Brevo (formerly Sendinblue) has a free plan (Paid typically from around $9/mo), while Substack has no permanent free plan (No monthly fee — revenue share instead). Vendors reprice several times a year — check both pricing pages before deciding.

Can I switch from Brevo (formerly Sendinblue) to Substack (or back)?

Yes. Subscribers export as CSV/JSON from either platform and import into the other. Automation sequences usually need rebuilding — map your tags and forms before migrating.