Firebase Authentication

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

Bubble vs Firebase Authentication: Full Comparison (2026)

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

The bottom line

Bubble positions itself as "visual full-stack no-code app builder" while Firebase Authentication goes after "google-backed auth with generous free tier for mobile and web" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Bubble charges flat while Firebase Authentication charges per mau — a meaningful difference for larger teams.

At a glance

	Bubble	Firebase Authentication
Our score	71/100	76/100
Starting price	Free	Free
Free tier	Yes	Yes
Best for	Visual full-stack no-code app builder	Google-backed auth with generous free tier for mobile and web

Pricing comparison

Bubble

Free tier available

FreeFree

Starter$32/mo

Growth$134/mo

Team$399/mo

Pricing verified 2026-04-16

Firebase Authentication

Free tier available

Spark (Free)Free

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

Pricing verified 2026-04-16

Calculate your cost

How many developers?10

1500

BubbleFree

Free/mo

Free/yr

Firebase AuthenticationUnknown

Contact sales

Try Bubble free →Try Firebase Authentication free →

Feature comparison

core

Feature	Bubble	Firebase Authentication
Visual builder	Yes	No
Database (built-in)	Yes	No
Workflows/logic	Yes	No
API integrations	Yes	No
User auth	Yes	No
Email/password	No	Yes
Google OAuth	No	Yes
Apple OAuth	No	Yes
Phone SMS	No	Yes
Anonymous auth	No	Yes

advanced

Feature	Bubble	Firebase Authentication
Custom code	Team+	No
API as backend	Growth+	No
Branching	Growth+	No
Plugin ecosystem	Yes	No
Mobile responsive	Yes	No
Multi-tenancy	No	Blaze
SAML SSO	No	Blaze ($0.015/MAU)
Custom claims	No	Yes
App Check	No	Yes
Blocking functions	No	Yes

integrations

Feature	Bubble	Firebase Authentication
Stripe	Yes	No
Zapier	Yes	No
Google Sheets	Yes	No
Airtable	Yes	No
REST APIs	Yes	No
Firebase (all products)	No	Yes
Google Cloud	No	Yes
Flutter	No	Yes
Android/iOS SDKs	No	Yes
Web SDK	No	Yes

Ratings breakdown

Bubble

Ease of use

7/10

Value for money

7/10

Features

8/10

Support

6/10

Firebase Authentication

Ease of use

8/10

Value for money

9/10

Features

7/10

Support

6/10

What the data tells us

Key capabilities you'd miss

Choosing Bubble means going without Email/password, Google OAuth, Apple OAuth (which Firebase Authentication offers). Choosing Firebase Authentication means losing Visual builder, Database (built-in), Workflows/logic. 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

Bubble (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.

Plan flexibility

Bubble offers 4 tiers, giving you finer control over what you pay for at each growth stage. Firebase Authentication's 2-tier structure is simpler to evaluate but may force you into a higher plan sooner for features you need.

Choose Bubble if...

You want a free tier to get started
You value powerful features over simplicity
You need enterprise-grade capabilities

Try Bubble free →

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 →

Frequently asked questions

Is Bubble or Firebase Authentication better?

Firebase Authentication scores 76/100 compared to Bubble's 71/100 on VendorVS. However, the best choice depends on your needs — Bubble excels at ease of use (7/10) while Firebase Authentication scores 8/10.

How much does Bubble cost compared to Firebase Authentication?

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

Does Bubble or Firebase Authentication have a free plan?

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

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