Omnisend vs Substack (2026)
Ecommerce email + SMS without the Klaviyo price tag — 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.
Head-to-head
Pricing and terms last verified 31 October 2026 — vendors change them often.
| Omnisend 🏆 | Substack | |
|---|---|---|
| Free plan | Yes: up to 250 contacts | No |
| Paid from | Paid typically from around $16/mo | No monthly fee — revenue share instead |
| Free trial | None | None |
| Automations | ✓ | ✗ |
| Landing pages | ✗ | ✓ |
| Paid subscriptions | ✗ | ✓ |
| Ecommerce features | ✓ | ✗ |
| Our score | 4.3/5 | 4.1/5 |
Choose Omnisend if…
- You're primarily small-to-mid shopify stores
- Ecommerce automations out of the box (cart, order, browse)
- You can live with: analytics shallower than klaviyo
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
Omnisend vs Substack: FAQ
Omnisend or Substack — which is better in 2026?
For most people matching Omnisend's strengths (small-to-mid shopify stores), Omnisend is the stronger choice — it scores 4.3/5 on our four-factor score. But "better" depends on you: choose Omnisend for small-to-mid shopify stores, and Substack for writers who just want to publish.
Is Omnisend cheaper than Substack?
Omnisend has a free plan (Paid typically from around $16/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 Omnisend 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.