Quick Verdict
Choose Fly.io if:
You need global apps or edge computing
Choose Firebase if:
You need mobile apps or prototypes
Feature Comparison
| Feature | Fly.io | Firebase |
|---|---|---|
| Free tier | ||
| Starting price | Custom | Custom |
| G2 Rating | 4.5/5 | 4.5/5 |
| API Available |
Pricing Comparison
Monthly Cost by Team Size
* Pricing estimates based on standard paid plans. Actual costs may vary.
Fly.io
Pros
- Global by default
- Great for latency
- Container-based
- Litefs for SQLite
Cons
- Learning curve
- Complex pricing
- Documentation gaps
Firebase
Pros
- Easy to start
- Real-time
- Great for mobile
- Google ecosystem
Cons
- Vendor lock-in
- Pricing unpredictable
- Complex queries limited