AWS SNS vs Firebase Authentication: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
AWS SNS positions itself as "managed pub/sub messaging and mobile push at aws scale" 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. They take different commercial approaches — AWS SNS uses a usage-based-based model and Firebase Authentication a freemium approach, which affects how costs scale as your team grows.
At a glance
| AWS SNS | Firebase Authentication | |
|---|---|---|
| Our score | 72/100 | 76/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Managed pub/sub messaging and mobile push at AWS scale | Google-backed auth with generous free tier for mobile and web |
Pricing comparison
Firebase Authentication
Pricing verified 2026-04-16
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Feature comparison
core
| Feature | AWS SNS | Firebase Authentication |
|---|---|---|
| Pub/sub topics | Yes | No |
| Mobile push | Yes | No |
| SMS delivery | Yes | No |
| Email notifications | Yes | No |
| SQS fan-out | Yes | No |
| Email/password | No | Yes |
| Google OAuth | No | Yes |
| Apple OAuth | No | Yes |
| Phone SMS | No | Yes |
| Anonymous auth | No | Yes |
advanced
| Feature | AWS SNS | Firebase Authentication |
|---|---|---|
| FIFO topics | Yes | No |
| Message filtering | Yes | No |
| Dead-letter queues | Yes | No |
| Encryption at rest | Yes | No |
| Cross-region delivery | 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 | AWS SNS | Firebase Authentication |
|---|---|---|
| AWS Lambda | Yes | No |
| AWS SQS | Yes | No |
| AWS EventBridge | Yes | No |
| CloudWatch | Yes | No |
| All AWS services | 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
What the data tells us
Key capabilities you'd miss
Choosing AWS SNS means going without Email/password, Google OAuth, Apple OAuth (which Firebase Authentication offers). Choosing Firebase Authentication means losing Pub/sub topics, Mobile push, SMS delivery. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
Choose AWS SNS if...
- You want a free tier to get started
- You value powerful features over simplicity
- Getting strong value for money is a priority
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
Frequently asked questions
Is AWS SNS or Firebase Authentication better?
Firebase Authentication scores 76/100 compared to AWS SNS's 72/100 on VendorVS. However, the best choice depends on your needs — AWS SNS excels at ease of use (5/10) while Firebase Authentication scores 8/10.
How much does AWS SNS cost compared to Firebase Authentication?
AWS SNS starts at free (free tier available). Firebase Authentication starts at free (free tier available). AWS SNS is the more affordable option.
Does AWS SNS or Firebase Authentication have a free plan?
Yes, both AWS SNS and Firebase Authentication offer free tiers, so you can try each before committing to a paid plan.
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