Fastly logo

Fastly

Real-time CDN and edge computing for high-performance apps

vs
Knock logo

Knock

Notification infrastructure for developers

Fastly vs Knock: Full Comparison (2026)

Pricing, features, scores, and a clear verdict on which one is right for you.

The bottom line

Fastly positions itself as "real-time cdn and edge computing for high-performance apps" while Knock goes after "notification infrastructure for developers" — so the right pick depends on which problem you're actually solving. They take different commercial approaches — Fastly uses a usage-based-based model and Knock a freemium approach, which affects how costs scale as your team grows. Knock lets you start for free, which means you can validate the fit before committing budget. Fastly requires a paid commitment upfront, so make sure it matches your workflow before signing. Fastly (founded 2011) has had more time to build out its ecosystem and integrations, while Knock (2021) tends to move faster on modern UX and newer workflows.

At a glance

FastlyKnock
Our score76/10084/100
Starting price$50/moFree
Free tierNoYes
Best forReal-time CDN and edge computing for high-performance appsNotification infrastructure for developers

Pricing comparison

Fastly logo

Fastly

No free tier
Pay-as-you-go$50/mo
Enterprise$null/mo

Pricing verified 2026-04-16

Knock logo

Knock

Free tier available
FreeFree
Starter$100/mo
Pro$500/mo

Pricing verified 2026-04-16

Calculate your cost

10
1500
Fastly logo
FastlyUnknown
Contact sales
Knock logo
KnockUnknown
Contact sales

Feature comparison

core

FeatureFastlyKnock
CDNYesNo
DDoS protectionYesNo
Instant cache purgeYesNo
WAFYesNo
Real-time analyticsYesNo
Multi-channel notificationsNoYes
Workflow builderNoYes
User preferencesNoYes
In-app feedNoYes
Template managementNoYes

advanced

FeatureFastlyKnock
Compute@Edge (Wasm)YesNo
Image optimizationYesNo
Origin shieldingYesNo
Custom VCLYesNo
Bot managementYesNo
Branching logicNoYes
Digest notificationsNoYes
Batch & debounceNoYes
Tenant supportNoYes
Audit logsNoYes

integrations

FeatureFastlyKnock
AWSYesNo
GCPYesNo
TerraformYesNo
Fastly CLIYesNo
GitHub ActionsYesNo
SendgridNoYes
TwilioNoYes
SlackNoYes
Push (Firebase/APNs)NoYes
WebhooksNoYes

Ratings breakdown

Fastly

Ease of use
6/10
Value for money
5/10
Features
9/10
Support
8/10

Knock

Ease of use
9/10
Value for money
8/10
Features
9/10
Support
9/10

What the data tells us

Key capabilities you'd miss

Choosing Fastly means going without Multi-channel notifications, Workflow builder, User preferences (which Knock offers). Choosing Knock means losing CDN, DDoS protection, Instant cache purge. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.

What company size tells you

Fastly (501-1,000 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Knock (1-10 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.

Choose Fastly if...

  • You're ready to invest from $50/mo
  • You value powerful features over simplicity
  • You need enterprise-grade capabilities
Visit Fastly

Choose Knock if...

  • You want a free tier to get started
  • You value an intuitive, easy-to-use interface
  • Getting strong value for money is a priority
Try Knock free

Frequently asked questions

Is Fastly or Knock better?

Knock scores 84/100 compared to Fastly's 76/100 on VendorVS. However, the best choice depends on your needs — Fastly excels at ease of use (6/10) while Knock scores 9/10.

How much does Fastly cost compared to Knock?

Fastly starts at $50/mo. Knock starts at free (free tier available). Knock is the more affordable option.

Does Fastly or Knock have a free plan?

Knock offers a free tier. Fastly does not — its cheapest plan starts at $50/mo.

Disclosure: Some links on this page are affiliate links. If you sign up through our links, we may earn a commission at no extra cost to you. This does not influence our rankings or recommendations.

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