Convex vs Firebase: Which is Better in 2026?
Choosing between Convex and Firebase comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Firebase wins this matchup. Our overall Data & Databases pick is PostgreSQL. Our free Data & Databases pick is PostgreSQL. Pick Convex if you need low-code backend.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Convex
Real-time backend platform for reactive apps
Best for you if:
- • You want real-time first
- • You want great DX
Firebase
App development platform by Google
Best for you if:
- • You want google ecosystem
- • You want real-time features
| At a Glance | Firebase | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Low-Code Backend | Cloud & Infrastructure |
Rating | 4.6/5 | 4.6/5 |
Free plan | Yes | Yes |
Choose Convex or Firebase?
Choose Convex if
Real-time backend platform for reactive apps
- You want real-time first
- You want great DX
- Your work is low-code backend-shaped, not cloud & infrastructure-shaped
Choose Firebase if
App development platform by Google
- You want google ecosystem
- You want real-time features
- Your work is cloud & infrastructure-shaped, not low-code backend-shaped
| Feature | Convex | Firebase |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.6/5 25 reviews | ★4.6/5 1,074 reviews |
| Categories | Low-Code BackendServerless | Cloud & InfrastructureData & Databases |
In-Depth Analysis
Convex
Real-time backend platform for reactive apps
Convex Free tier is generous for side projects: 1M function calls/mo and 0.5GB storage at no cost.
Watch out
EU hosting adds a 30% surcharge on all usage, significant for European teams
Strengths
- +Real-time first
- +Great DX
- +TypeScript native
Weaknesses
- -Vendor lock-in
- -Newer platform
Key features
Firebase
App development platform by Google
Firebase's Spark tier is generous for MVPs.
Strengths
- +Google ecosystem
- +Real-time features
- +Great SDKs
Weaknesses
- -Vendor lock-in
- -Costs at scale
Key features
Pricing: Convex vs Firebase
| Plan | Convex | Firebase |
|---|---|---|
| Tier 1 | $0 Free | Free Spark (Free) |
| Tier 2 | $25/developer Professional | Usage-based Blaze (Pay-as-you-go) |
Pricing verified from each vendor's public pricing page. Compare in detail on Convex pricing and Firebase pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Convex
Want the highest-rated option?
Convex: 4.6/5 (25 reviews). Firebase: 4.6/5 (1,074 reviews).
Go with: Convex
Value user reviews?
Convex: 25 reviews (4.6/5). Firebase: 1,074 reviews (4.6/5).
Go with: Firebase
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Convex is a low-code backend tool. Firebase is in cloud & infrastructure. Pick the category that matches your needs.
How important are ratings?
Both are rated 4.6/5.
Key Takeaways
Firebase
- Larger review base (1,074 reviews)
- Free tier available
- Our pick for this comparison
Convex
- Better fit for low-code backend
The Bottom Line
Firebase wins this matchup. Our overall Data & Databases pick is PostgreSQL. Our free Data & Databases pick is PostgreSQL.
Frequently Asked Questions
Is Convex or Firebase better?
Firebase is rated in our evaluation. Both are freemium.
What are Convex and Firebase used for?
Convex: Real-time backend platform for reactive apps. Firebase: App development platform by Google.
What does Convex cost vs Firebase?
Convex is freemium (free tier + paid plans). Firebase is freemium (free tier + paid plans). Visit their websites for detailed pricing.