Comparison

Fly.io vs Porter

On the evidence we track, Fly.io leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Fly.io full profile →Porter full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

★Fly.io79

Porter60

Attribute comparison across 2 tools
Attribute	Fly.ioLeader	Porter
Vioscale score	79 / 100medium · 63%	60 / 100low · 33%
Pricing
Free tierpricing.free_tier	✓	✗
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	unknown	low
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	5	5
Security
Hipaasecurity.hipaa	✓	✓
Iso27001security.iso27001	✓	-
Soc2security.soc2	✓	✓
Reliability
Sla pctreliability.sla_pct	99.9	-
Status pagereliability.status_page	✓	-
Market
Availabilitymarket.availability	Available worldwide · Popular in US	Available worldwide · Popular in US

Score

Vioscale score

Fly.io79 / 100medium · 63%

Porter60 / 100low · 33%

Pricing

Free tier

Fly.io✓

Porter✗

Model

Fly.iocommercial

Portercommercial

Price level

Fly.iounknown

Porterlow

Transparent

Fly.io✓

Porter✓

Integrations

Count

Fly.io5

Porter5

Security

Hipaa

Fly.io✓

Porter✓

Iso27001

Fly.io✓

Porter–

Soc2

Fly.io✓

Porter✓

Reliability

Sla pct

Fly.io99.9

Porter–

Status page

Fly.io✓

Porter–

Market

Availability

Fly.ioAvailable worldwide · Popular in US

PorterAvailable worldwide · Popular in US

Capabilities

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

Capability comparison for PaaS & Hosting
Capability	Fly.io	Porter
Deploy
Git-push auto-deploy	-	✓
Deploy arbitrary container image	✓	✓
Per-PR preview environments	-	✓
Build
Build system	Dockerfile	-
Runtime / language breadth	Docker containers, Node.js, Deno, and other containerized runtimes	JavaScript, Python, Go, and others
Scale
Autoscaling	-	Horizontal
Deployment
Geographic reach	Multi-region	Multi-region
Hosting	Cloud only	Cloud + self-hosted
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

Fly.io-

Porter✓

Deploy arbitrary container image

Fly.io✓

Porter✓

Per-PR preview environments

Fly.io-

Porter✓

Build

Build system

Fly.ioDockerfile

Porter-

Runtime / language breadth

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

PorterJavaScript, Python, Go, and others

Scale

Autoscaling

Fly.io-

PorterHorizontal

Deployment

Geographic reach

Fly.ioMulti-region

PorterMulti-region

Hosting

Fly.ioCloud only

PorterCloud + self-hosted

Data

Bundled managed data services

Fly.io✓

Porter✓

Delivery

Built-in global CDN / edge

Fly.io-

Porter-

Custom domains + automatic TLS

Fly.io✓

Porter✓

Ops

Env vars & secrets management

Fly.io-

Porter-

Instant rollbacks

Fly.io-

Porter-

Extensibility

CLI + deploy API

Fly.io✓

Porter✓

What each one is

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

Fly.io

Leader

Fly.io Sprites are dedicated virtual machines that provide hardware-isolated Linux environments for AI agents, tools, and evaluations. They feature persistent block storage that survives sleep cycles, automatic checkpointing, and support for executing untrusted code with configurable network policies.

Independently observed

Porter

A platform-as-a-service that manages application deployment, scaling, and infrastructure across AWS, Google Cloud, or Azure. Handles CI/CD pipelines, monitoring, and cluster management automatically while running on your own cloud account.

Independently observed

Pricing

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

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 ↗

Porter

from $6/moUsage-based

Usage-based: $6/GB RAM + $13/vCPU per month. Enterprise volume discounts available.

Standard$6/GB RAM/mo + $13/vCPU/mo, prorated hourly
- Deploy from GitHub
- Unlimited Applications
- Preview Environments
- Autoscaling
- Jobs & Cron Jobs
- +5 more
EnterpriseContact sales
- Everything in Standard
- Premium Support
- Advanced RBAC
- SAML-based SSO
- Custom Alerts
- +1 more

as of 2026-08-14verify ↗

Platform & deployment

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

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

Platforms

Web

Fly.io✓

Porter✓

Linux

Fly.io✓

Porter✗

CLI

Fly.io✓

Porter✓

Deployment

Cloud / SaaS

Fly.io✓

Porter✓

Self-hosted

Fly.io✗

Porter✓

On-premise

Fly.io✗

Porter✓

Hybrid

Fly.io✗

Porter✓

Integrations

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

Fly.io

Leader

5 total

Sentry
Supabase
Upstash
LiteFS
Tigris

Independently observed

Porter

5 total

Tailscale
Helicone
Grafana
Temporal
GitHub Actions

Independently observed

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