Firebase Authentication

Google-backed auth with generous free tier for mobile and web

Neon

Serverless Postgres with scale-to-zero and branching

Firebase Authentication vs Neon: Full Comparison (2026)

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

The bottom line

Firebase Authentication positions itself as "google-backed auth with generous free tier for mobile and web" while Neon goes after "serverless postgres with scale-to-zero and branching" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Firebase Authentication charges per mau while Neon charges per project — a meaningful difference for larger teams. Firebase Authentication (founded 2011) has had more time to build out its ecosystem and integrations, while Neon (2021) tends to move faster on modern UX and newer workflows.

At a glance

	Firebase Authentication	Neon
Our score	76/100	82/100
Starting price	Free	Free
Free tier	Yes	Yes
Best for	Google-backed auth with generous free tier for mobile and web	Serverless Postgres with scale-to-zero and branching

Pricing comparison

Firebase Authentication

Free tier available

Spark (Free)Free

Blaze (Pay-as-you-go)$null/mo

Pricing verified 2026-04-16

Neon

Free tier available

FreeFree

Launch$19/mo

Scale$69/mo

Pricing verified 2026-04-16

Calculate your cost

How many developers?10

1500

Firebase AuthenticationUnknown

Contact sales

NeonUnknown

Contact sales

Try Firebase Authentication free →Try Neon free →

Feature comparison

core

Feature	Firebase Authentication	Neon
Email/password	Yes	No
Google OAuth	Yes	No
Apple OAuth	Yes	No
Phone SMS	Yes	No
Anonymous auth	Yes	No
PostgreSQL compatible	No	Yes
Scale to zero	No	Yes
Database branching	No	Yes
Autoscaling	No	Yes
Point-in-time restore	No	Yes

advanced

Feature	Firebase Authentication	Neon
Multi-tenancy	Blaze	No
SAML SSO	Blaze ($0.015/MAU)	No
Custom claims	Yes	No
App Check	Yes	No
Blocking functions	Yes	No
Read replicas	No	Yes
IP allowlisting	No	Launch+
VPC peering	No	Scale+
Logical replication	No	Yes
pgvector	No	Yes

integrations

Feature	Firebase Authentication	Neon
Firebase (all products)	Yes	No
Google Cloud	Yes	No
Flutter	Yes	No
Android/iOS SDKs	Yes	No
Web SDK	Yes	No
Vercel	No	Yes
Railway	No	Yes
Prisma	No	Yes
Drizzle	No	Yes
Next.js	No	Yes
Supabase	No	No

Ratings breakdown

Firebase Authentication

Ease of use

8/10

Value for money

9/10

Features

7/10

Support

6/10

Neon

Ease of use

9/10

Value for money

9/10

Features

8/10

Support

7/10

What the data tells us

Key capabilities you'd miss

Choosing Firebase Authentication means going without PostgreSQL compatible, Scale to zero, Database branching (which Neon offers). Choosing Neon means losing Email/password, Google OAuth, Apple OAuth. 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

Neon (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Firebase Authentication (100,000+ employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.

Choose Firebase Authentication 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 Firebase Authentication free →

Choose Neon 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 Neon free →

Frequently asked questions

Is Firebase Authentication or Neon better?

Neon scores 82/100 compared to Firebase Authentication's 76/100 on VendorVS. However, the best choice depends on your needs — Firebase Authentication excels at ease of use (8/10) while Neon scores 9/10.

How much does Firebase Authentication cost compared to Neon?

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

Does Firebase Authentication or Neon have a free plan?

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

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