Coresender vs Knock

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Coresender

See full pricing history

EUR · US · source: coresender.com

Plan	Pricing	Charged by	Offer type
Developer	Free Free developer plan	Flat · published subscription	Standalone · Free
Silver	EUR 24 monthly €24 monthly	Flat · published subscription	Standalone · Fixed
Gold Highlighted	EUR 90 monthly €90 monthly	Flat · published subscription	Standalone · Fixed
Platinum	EUR 320 monthly €320 monthly	Flat · published subscription	Standalone · Fixed

Knock

See full pricing history

USD · US · source: knock.app

Plan	Pricing	Charged by	Offer type
Developer	Free $0/month	Flat · monthly subscription	Standalone · Free
Starter	USD 250 monthly $250/month including 50,000 messages; then $0.005/message	Usage · monthly platform fee plus message usage	Standalone · Usage based
Enterprise	Contact sales Contact us	Flat · monthly subscription	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Coresender

Developer

Official plan card Emails: 100/month

Limited
Official plan card Email API: Included
Official plan card No credit card required: Included

Silver

Official plan card Emails: 50,000/month

Limited
Official plan card Log retention: 15 days

Limited
Official plan card Shared IP address: Included

Gold

Official plan card Emails: 250,000/month

Limited
Official plan card Dedicated IP: 1

Limited
Official plan card Log retention: 30 days

Limited

Platinum

Official plan card Emails: 1,000,000/month

Limited
Official plan card Dedicated IP: 1

Limited
Official plan card Log retention: 45 days

Limited

Knock

Developer

Official plan card Messages: 10,000/month

Limited
Official plan card Notification workflows: Unlimited

Limited
Official plan card Delivery channels: Unlimited

Limited

Starter

Official plan card Messages: 50,000/month included

Limited
Official plan card Additional messages: $0.005 each

Limited
Official plan card Guides active users: 2,500

Limited

Enterprise

Official plan card Volume discounts: Included
Official plan card Custom roles and permissions: Included
Official plan card Enterprise controls: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Coresender

August 27, 2026 Source
- Developer: Free
- Silver: EUR 24 monthly
- Gold: EUR 90 monthly
- Platinum: EUR 320 monthly

Knock

August 27, 2026 Source
- Developer: Free
- Starter: USD 250 monthly
- Enterprise: Contact sales