Comparison

CapRover vs Fly.io

On the evidence we track, Fly.io leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

CapRover full profile →Fly.io full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

CapRover49

★Fly.io71

Attribute comparison across 2 tools
Attribute	CapRover	Fly.ioLeader
vioscaleAI score	49 / 100medium · 53%	71 / 100medium · 63%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	commercial
Price levelpricing.price_level	free	unknown
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	8	4
Security
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Scorecardsecurity.scorecard	4.3	-
Soc2security.soc2	-	✓
Trust centersecurity.trust_center	-	https://fly.io/blog/trust-calibration-for-ai-software-builders/
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fcaprover%2Fcaprover&per_page=100 · Last 12m: 0	-
Reliability
Sla pctreliability.sla_pct	-	99.9
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	15,177	-
Activity
Commits last 30dactivity.commits_last_30d	91	-
Release
Cadence daysrelease.cadence_days	62	-
Historyrelease.history	20 items	-
Language
Primarylanguage.primary	TypeScript	-
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US
Content
Faqcontent.faq	5 items	7 items

Score

vioscaleAI score

CapRover49 / 100medium · 53%

Fly.io71 / 100medium · 63%

Pricing

Free tier

CapRover✓

Fly.io✓

Model

CapRoveropen_source

Fly.iocommercial

Price level

CapRoverfree

Fly.iounknown

Transparent

CapRover✓

Fly.io✗

Integrations

Count

CapRover8

Fly.io4

Security

Hipaa

CapRover–

Fly.io✓

Iso27001

CapRover–

Fly.io✓

Scorecard

CapRover4.3

Fly.io–

Soc2

CapRover–

Fly.io✓

Trust center

CapRover–

Fly.iohttps://fly.io/blog/trust-calibration-for-ai-software-builders/

Vulnerabilities

CapRoverCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fcaprover%2Fcaprover&per_page=100 · Last 12m: 0

Fly.io–

Reliability

Sla pct

CapRover–

Fly.io99.9

Status page

CapRover✓

Fly.io✓

Adoption

Dependent repos

CapRover0

Fly.io–

Github stars

CapRover15,177

Fly.io–

Activity

Commits last 30d

CapRover91

Fly.io–

Release

Cadence days

CapRover62

Fly.io–

History

CapRover20 items

Fly.io–

Language

Primary

CapRoverTypeScript

Fly.io–

Market

Availability

CapRover–

Fly.ioAvailable worldwide · Popular in US

Content

Faq

CapRover5 items

Fly.io7 items

Capabilities

Feature-by-feature on the axes that matter for paas & hosting. “-” means undocumented, not absent.

Capability comparison for PaaS & Hosting
Capability	CapRover	Fly.io
Deploy
Git-push auto-deploy	✓	-
Deploy arbitrary container image	✓	✓
Per-PR preview environments	✗	-
Build
Build system	Dockerfile	Dockerfile
Runtime / language breadth	Node.js, Python, PHP, Java, Ruby, .NET, and any containerized application	Docker containers, Node.js, Deno, and other containerized runtimes
Scale
Autoscaling	Horizontal	Horizontal
Deployment
Geographic reach	Multi-region	Multi-region
Hosting	Self-hosted only	Cloud only
Data
Bundled managed data services	✓	✓
Delivery
Built-in global CDN / edge	✗	-
Custom domains + automatic TLS	✓	✓
Ops
Env vars & secrets management	✓	✓
Instant rollbacks	✗	✓
Extensibility
CLI + deploy API	✓	✓

Deploy

Git-push auto-deploy

CapRover✓

Fly.io-

Deploy arbitrary container image

CapRover✓

Fly.io✓

Per-PR preview environments

CapRover✗

Fly.io-

Build

Build system

CapRoverDockerfile

Fly.ioDockerfile

Runtime / language breadth

CapRoverNode.js, Python, PHP, Java, Ruby, .NET, and any containerized application

Fly.ioDocker containers, Node.js, Deno, and other containerized runtimes

Scale

Autoscaling

CapRoverHorizontal

Fly.ioHorizontal

Deployment

Geographic reach

CapRoverMulti-region

Fly.ioMulti-region

Hosting

CapRoverSelf-hosted only

Fly.ioCloud only

Data

Bundled managed data services

CapRover✓

Fly.io✓

Delivery

Built-in global CDN / edge

CapRover✗

Fly.io-

Custom domains + automatic TLS

CapRover✓

Fly.io✓

Ops

Env vars & secrets management

CapRover✓

Fly.io✓

Instant rollbacks

CapRover✗

Fly.io✓

Extensibility

CLI + deploy API

CapRover✓

Fly.io✓

What each one is

The product in its own terms, so the numbers below have context.

CapRover

A self-hosted deployment platform that automates app builds, scaling, and management with built-in SSL support, allowing you to retain full control of your hosting infrastructure.

Independently observed

Fly.io

Leader

A cloud service offering hardware-isolated Linux virtual machines optimized for running AI agents and tools, featuring persistent storage, checkpoint and rollback capabilities, and API gateway-based credential management.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

CapRover

Open sourceFree tier

Free and open-source

as of 2026-10-02verify ↗

Fly.io

Leader

from $29/moUsage-based

Usage-based pricing (pay-as-you-go) with optional prepayment for 40% discount. Serious Support from $29/month. HIPAA compliance at $99/month. Enterprise available via contact.

Pay-as-You-GoPay only for what you use
- Micro VMs
- Persistent storage
- Private networking
- Unlimited users per organization
Serious SupportStarting at $29/month
- Dedicated support team
HIPAA Compliance$99/month
- HIPAA-compliant workloads
- BAAs
- SOC2 certification
Machine ReservationSave 40% with upfront commitment
- 40% discount vs pay-as-you-go
EnterpriseContact sales
- Custom resource configurations
- SLA requirements
- Emergency support

as of 2026-08-01verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	CapRover	Fly.io
WebPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

Platforms

Web

CapRover✓

Fly.io✗

Linux

CapRover✓

Fly.io✗

CLI

CapRover✓

Fly.io✓

Deployment

Cloud / SaaS

CapRover✗

Fly.io✓

Self-hosted

CapRover✓

Fly.io✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)

GitHub

CapRover

10 total - 9 not shared

GitLab
Docker Compose
Docker Hub
Let's Encrypt
WordPress
MongoDB
MySQL
Docker
Nginx

Independently observed

Fly.io

Leader

9 total - 8 not shared

Sentry
Supabase
Upstash
LiteFS
Tigris
OpenRouter
Slack
HTTP API

Independently observed

Still deciding?

CapRover or Fly.io: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.