Firebase logo

Firebase

Google's mobile-first backend platform

vs
Knock logo

Knock

Notification infrastructure for developers

Firebase vs Knock: Full Comparison (2026)

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

The bottom line

Firebase positions itself as "google's mobile-first backend platform" while Knock goes after "notification infrastructure for developers" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Firebase charges per operation while Knock charges per message — a meaningful difference for larger teams. Firebase (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

FirebaseKnock
Our score80/10084/100
Starting priceFreeFree
Free tierYesYes
Best forGoogle's mobile-first backend platformNotification infrastructure for developers

Pricing comparison

Firebase logo

Firebase

Free tier available
Spark (Free)Free
Blaze (Pay-as-you-go)Free

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
Firebase logo
FirebaseUnknown
Contact sales
Knock logo
KnockUnknown
Contact sales

Feature comparison

core

FeatureFirebaseKnock
Firestore (NoSQL)YesNo
Realtime DatabaseYesNo
AuthenticationYesNo
StorageYesNo
HostingYesNo
Multi-channel notificationsNoYes
Workflow builderNoYes
User preferencesNoYes
In-app feedNoYes
Template managementNoYes

advanced

FeatureFirebaseKnock
Cloud FunctionsBlazeNo
App CheckYesNo
Remote ConfigYesNo
AnalyticsYesNo
CrashlyticsYesNo
Branching logicNoYes
Digest notificationsNoYes
Batch & debounceNoYes
Tenant supportNoYes
Audit logsNoYes

integrations

FeatureFirebaseKnock
Google CloudYesNo
AndroidYesNo
FlutterYesNo
UnityYesNo
Next.jsYesNo
React NativeYesNo
SendgridNoYes
TwilioNoYes
SlackNoYes
Push (Firebase/APNs)NoYes
WebhooksNoYes

Ratings breakdown

Firebase

Ease of use
8/10
Value for money
7/10
Features
9/10
Support
7/10

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 Firebase means going without Multi-channel notifications, Workflow builder, User preferences (which Knock offers). Choosing Knock means losing Firestore (NoSQL), Realtime Database, Authentication. 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

Firebase (10,000+ 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 Firebase if...

  • You want a free tier to get started
  • You value an intuitive, easy-to-use interface
  • You need enterprise-grade capabilities
Try Firebase free

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 Firebase or Knock better?

Knock scores 84/100 compared to Firebase's 80/100 on VendorVS. However, the best choice depends on your needs — Firebase excels at ease of use (8/10) while Knock scores 9/10.

How much does Firebase cost compared to Knock?

Firebase starts at free (free tier available). Knock starts at free (free tier available). Firebase is the more affordable option.

Does Firebase or Knock have a free plan?

Yes, both Firebase and Knock offer free tiers, so you can try each before committing to a paid plan.

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