$/transactional-email-api providers ↗
head to head

Novu vs Knock

Open-source self-host versus polished hosted product.

Side by side

Feature Novu Knock
Tagline Open-source notification infrastructure. Notification infrastructure with workflow engine.
Free tier 30,000 events/mo on cloud, free self-hosted 10,000 notifications/mo
Starts at $250/mo (Business cloud) $249/mo (Starter)
Pricing model volume volume
API Yes Yes
SMTP No No
SDKs node, python, go, php, java, dotnet node, python, go, ruby, php, elixir, java, dotnet
Templates rich rich
React Email Yes Yes
Webhooks Yes Yes
Inbound No No
Multi-tenant Yes Yes
Idempotency Yes Yes
Dedicated IP No No
Deliverability BYO provider. Inherits the deliverability of the provider you BYO (Postmark, SendGrid, Resend).
DX score 8/10 9/10
Best for Teams that want self-hostable notification infrastructure. Teams that need multi-channel product notifications with preferences.

Novu

pros
  • Open source, MIT-licensed
  • Self-hostable
  • Active community
cons
  • Self-hosting takes effort
  • Cloud pricing competitive only above 1M events/mo

Knock

pros
  • Strong workflow engine
  • In-app feed component
  • Deep SDK coverage
  • Idempotency keys
cons
  • Pricier than running your own; entry plan is steep
  • Bring your own delivery provider