Firebase Authentication vs SuperTokens: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Firebase Authentication and SuperTokens side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Firebase Authentication
Backend authentication by Google
Best for you if:
- • You want easy to implement
SuperTokens
Open-source user authentication
Best for you if:
- • You want open source
| At a Glance | Firebase Authentication | |
|---|---|---|
Starts at | Free plan | Free plan, paid from $100/mo Cloud Paid plan |
Category | Identity & Access Developer Tools | Identity & Access Developer Tools |
Rating | 4.9/5 G2 4.9 5 reviews | 4.9/5 SourceForge 4.7 · G2 5.0 · Capterra 5.0 5 reviews |
Free plan | Yes | Yes |
Watch out for | Phone verification costs $0.01-$0.06 each. | Cloud Paid has $100 minimum |
Choose Firebase Authentication or SuperTokens?
Choose Firebase Authentication if
- You want easy to implement
- You want multiple auth methods
Choose SuperTokens if
- You want open source
- You want self-host option
In-Depth Analysis
Firebase Authentication
Backend authentication by Google
Firebase Authentication's Spark plan is incredibly generous, offering 50,000 MAU for free, which is far more than many competitors.
Watch out
Phone verification costs $0.01-$0.06 each.
Strengths
- Pro: Easy to implement
- Pro: Multiple auth methods
- Pro: Free generous tier
- Pro: Good security
Weaknesses
- Con: Vendor lock-in
- Con: Limited customization
- Con: Part of Google ecosystem
Key features
SuperTokens
Open-source user authentication
SuperTokens offers a very generous freemium model, especially with the Self-Hosted option providing unlimited MAUs for free.
Watch out
Cloud Paid has $100 minimum
Strengths
- Pro: Open source
- Pro: Self-host option
- Pro: Simple setup
Weaknesses
- Con: Smaller ecosystem
- Con: Limited features vs Auth0
Key features
Plans and prices: Firebase Authentication vs SuperTokens
| Tool | Plans and prices | Source |
|---|---|---|
| Firebase Authentication |
| firebase.google.com/products/auth read Oct 5, 2026 |
| SuperTokens |
| supertokens.com/pricing read Oct 28, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Firebase Authentication pricing and SuperTokens pricing.
Key Takeaways
Firebase Authentication
- Choose if you want backend authentication by Google
SuperTokens
- Choose if you want open-source user authentication
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings rest on too few reviews to rank (4.9/5 from 5 reviews for Firebase Authentication, 4.9/5 from 5 reviews for SuperTokens; we compare ratings only above 20 reviews on both sides).
- SuperTokens starts at $100/mo; Firebase Authentication has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Firebase Authentication and SuperTokens compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings rest on too few reviews to rank (4.9/5 from 5 reviews for Firebase Authentication, 4.9/5 from 5 reviews for SuperTokens; we compare ratings only above 20 reviews on both sides). SuperTokens starts at $100/mo; Firebase Authentication has no public paid plan price on file. Both have a free plan.
What are Firebase Authentication and SuperTokens used for?
Firebase Authentication: Backend authentication by Google. SuperTokens: Open-source user authentication.
What does Firebase Authentication cost vs SuperTokens?
Firebase Authentication has no public paid-plan price on file. SuperTokens's cheapest paid plan is Cloud Paid at $100/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 28, 2026.
What's the main difference between Firebase Authentication and SuperTokens?
Firebase Authentication's main strength: easy to implement. SuperTokens's main strength: open source.