Comparison

Coolify 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.

Coolify full profile →Fly.io full profile →

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

Coolify59

★Fly.io71

Attribute comparison across 2 tools
Attribute	Coolify	Fly.ioLeader
vioscaleAI score	59 / 100low · 40%	71 / 100medium · 63%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	unknown
Starting pricepricing.starting_price	$5	-
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	10	4
Security
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
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%2Fcoollabsio%2Fcoolify&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	62,602	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Cadence daysrelease.cadence_days	8	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	PHP	-
Market
Availabilitymarket.availability	Available worldwide · Popular in US	Available worldwide · Popular in US
Content
Faqcontent.faq	7 items	7 items

Score

vioscaleAI score

Coolify59 / 100low · 40%

Fly.io71 / 100medium · 63%

Pricing

Free tier

Coolify✓

Fly.io✓

Model

Coolifyfreemium

Fly.iocommercial

Price level

Coolifylow

Fly.iounknown

Starting price

Coolify$5

Fly.io–

Transparent

Coolify✓

Fly.io✗

Integrations

Count

Coolify10

Fly.io4

Security

Hipaa

Coolify–

Fly.io✓

Iso27001

Coolify–

Fly.io✓

Soc2

Coolify–

Fly.io✓

Trust center

Coolify–

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

Vulnerabilities

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

Fly.io–

Reliability

Sla pct

Coolify–

Fly.io99.9

Status page

Coolify–

Fly.io✓

Adoption

Dependent repos

Coolify0

Fly.io–

Github stars

Coolify62,602

Fly.io–

Activity

Commits last 30d

Coolify100

Fly.io–

Release

Cadence days

Coolify8

Fly.io–

History

Coolify20 items

Fly.io–

License

Spdx

CoolifyApache-2.0

Fly.io–

Language

Primary

CoolifyPHP

Fly.io–

Market

Availability

CoolifyAvailable worldwide · Popular in US

Fly.ioAvailable worldwide · Popular in US

Content

Faq

Coolify7 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	Coolify	Fly.io
Deploy
Git-push auto-deploy	✓	-
Deploy arbitrary container image	✓	✓
Per-PR preview environments	✓	-
Build
Build system	Dockerfile	Dockerfile
Runtime / language breadth	Any language and framework (Docker containers)	Docker containers, Node.js, Deno, and other containerized runtimes
Scale
Autoscaling	-	Horizontal
Deployment
Geographic reach	Multi-region	Multi-region
Hosting	Cloud + self-hosted	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

Coolify✓

Fly.io-

Deploy arbitrary container image

Coolify✓

Fly.io✓

Per-PR preview environments

Coolify✓

Fly.io-

Build

Build system

CoolifyDockerfile

Fly.ioDockerfile

Runtime / language breadth

CoolifyAny language and framework (Docker containers)

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

Scale

Autoscaling

Coolify-

Fly.ioHorizontal

Deployment

Geographic reach

CoolifyMulti-region

Fly.ioMulti-region

Hosting

CoolifyCloud + self-hosted

Fly.ioCloud only

Data

Bundled managed data services

Coolify✓

Fly.io✓

Delivery

Built-in global CDN / edge

Coolify-

Fly.io-

Custom domains + automatic TLS

Coolify✓

Fly.io✓

Ops

Env vars & secrets management

Coolify✓

Fly.io✓

Instant rollbacks

Coolify✓

Fly.io✓

Extensibility

CLI + deploy API

Coolify✓

Fly.io✓

What each one is

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

Coolify

Deploy applications, databases, and services to your own servers using an open-source alternative to commercial managed deployment platforms.

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.

Coolify

from $5/moHybridFree tier

Free self-hosted tier. Cloud from $5/month (includes 2 servers) + $3/month per additional server; 20% discount for annual billing.

Self-hostedFree
- Full access to all features
- No limitations or restrictions
- Community support
- Automated or self-managed updates
- All upcoming features included
Cloud$5/month base (2 servers included) + $3/month per additional server; save 20% with annual billing
- Connect unlimited servers
- Unlimited deployments per server
- Free email alerts for Coolify events
- Community + limited email support
- Founder-tested updates

as of 2026-09-07verify ↗

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	Coolify	Fly.io
WebPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

Coolify✓

Fly.io✗

CLI

Coolify✓

Fly.io✓

Deployment

Cloud / SaaS

Coolify✓

Fly.io✓

Self-hosted

Coolify✓

Fly.io✗

Integrations

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

In common (2)

GitHub
Slack

Coolify

17 total - 15 not shared

GitLab
Bitbucket
Gitea
GitHub Actions
GitLab CI
Bitbucket Pipelines
Docker
S3
Discord
Telegram
SMTP
Email
Pushover
Cloudflare
AWS S3

Independently observed

Fly.io

Leader

9 total - 7 not shared

Sentry
Supabase
Upstash
LiteFS
Tigris
OpenRouter
HTTP API

Independently observed

Still deciding?

Coolify 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.