Fly.io vs CapRover
A detailed comparison to help you choose between Fly.io and CapRover.
Quick Verdict
4.2/5
Fly.io
191 reviews
3.8/5
CapRover
385 reviews
Fly.io is rated higher (4.2 vs 3.8). Fly.io runs Docker containers on bare metal in 35+ cities globally. Machines run close to users — sub-50ms latency from most locations. Supports any language and framework. CapRover is a free, open source PaaS that runs on your own server. Deploy apps via CLI, dashboard, or GitHub Actions. One-click app templates for WordPress, Ghost, Mattermost, Nextcloud, and 100+ more.
Fly.io Deploy apps globally with sub-50ms latency | CapRover Self-hosted app deployment — free open source PaaS | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (191 reviews)✓ | 3.8 (385 reviews) |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Latency-sensitive applications — APIs, real-time apps, and globally distributed backends | Developers wanting a free Heroku/Render alternative they self-host with one-click app deployments |
| Specifications (entry plan) | ||
| CPU cores | 1 vCPU | — |
| RAM | 0.3 GB | — |
| Storage | 0 GB | — |
| Bandwidth | 0 TB/mo | — |
| SLA uptime | 99.9% | — |
| Data-center count | 35 | — |
| €/vCPU/mo | €0.00 | — |
| €/GB RAM/mo | €0.00 | — |
| Features | ||
| IPv6 | ✓ | |
| DDoS protection | ||
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ✓ | |
| Free tier | ✓ | |
| Data-center locations | ||
| Regions | United StatesUnited KingdomGermanyFranceNetherlandsSingapore+5 | — |
| Tags | ||
| Tags | free tiermanaged optionipv6eu datacenterus datacenterapac datacenterapi accessprivate networking | free tieropen sourceself hostable |
| Visit Fly.io → | Visit CapRover → | |
Fly.io
Pros
- + 35+ global cities — widest edge deployment network
- + Bare metal performance in a PaaS wrapper
- + Persistent volumes and managed PostgreSQL included
Cons
- - CLI-heavy — less visual than Render
- - Learning curve for networking concepts
- - Documentation occasionally outdated
CapRover
Pros
- + 100+ one-click app templates
- + Run on any VPS for free
- + Docker-native architecture
Cons
- - Requires a server and self-management
- - Less polished than commercial PaaS
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