Updated September 28, 2026 · DeployCue Editorial Team
Firebase vs Fly.io
Where Firebase and Fly.io differ
| Fact | Firebase | Fly.io |
|---|---|---|
| Price per GB per month | $0.020Lower | $0.15 |
| Egress price per GB | $0.12 | $0.020 to $0.12Lower |
| Free egress | 100 GB/month data transfer free (North America to each Google Cloud data transfer destination, Australia and China excluded) | All inbound data transfer, and data transfer between apps or Machines in the same region |
| Regions | 46Higher | 18 |
| Storage types | Object | Block, ObjectCovers more |
| Minimum storage period | 30 to 365 days | Not confirmed |
| Free egress (GB) | 100 | Not confirmed |
Same on both: S3-compatible (Yes).
Key differences
- Price per GB per month is lower at Firebase: $0.020 vs $0.15.
- Egress price per GB is lower at Fly.io: $0.020 to $0.12 vs $0.12.
- Regions is higher at Firebase: 46 vs 18.
- Support channels: only Fly.io offers Email.
- Founded is lower at Firebase: 1998 vs 2017.
- Storage types: only Fly.io offers Block.
Score breakdown
| Area | Firebase | Fly.io |
|---|---|---|
| Cost | 9.10 | 9.60Higher |
| Offer | 8.70 | 9.10Higher |
| Trust | 9.90Higher | 9.00 |
Area by area
Firebase
- Cost9.1
- Offer8.7
- Trust9.9
Fly.io
- Cost9.6
- Offer9.1
- Trust9.0
- Fly.io leads on cost by 0.5 points (9.6 vs 9.1).
- Fly.io leads on offer by 0.4 points (9.1 vs 8.7).
- Firebase leads on trust by 0.9 points (9.9 vs 9.0).
The bill, worked out
1 TB stored and 500 GB downloaded in a month
Firebase
$80
1,000 × $0.02 + 500 × $0.12
Fly.io
$160 to $210
1,000 × $0.15 + 500 × $0.02 to $0.12
Firebase costs $80 less.
Worked out from the stated prices and rates; your own total depends on how you use it.
Every fact side by side
| Fact | Firebase | Fly.io |
|---|---|---|
| Legal entity | Google LLC | Fly.io, Inc. |
| Headquarters | United States | United States |
| Founded | 1998Lower | 2017 |
| Support channels | Help centre, Community | Email, Help centre, CommunityCovers more |
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.