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Fly.io vs Heroku: Which is Better in 2026?

Choosing between Fly.io and Heroku comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Fly.io wins this matchup. Our overall Hosting & Deployment pick is WordPress.com. Our free Hosting & Deployment pick is Podman. Pick Heroku if you need cloud & infrastructure.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Fly.io

Deploy apps close to users on edge infrastructure

Best for you if:

  • You want a free tier before you commit
  • You want run apps close to users globally
  • You want excellent for containerized apps

Heroku

The original easy deployment platform, now owned by Salesforce

Best for you if:

  • You want easiest platform for deploying apps
  • You want git-based deployment workflow
At a Glance
Fly.ioFly.io
HerokuHeroku
Starts at
FreeFree tier available
$5/monthEco
Best For
Hosting & DeploymentCloud & Infrastructure
Rating
-4.4/5
Free plan
Yes No

Choose Fly.io or Heroku?

Fly.io

Choose Fly.io if

Deploy apps close to users on edge infrastructure

  • You want a free tier before you commit
  • You want run apps close to users globally
  • You want excellent for containerized apps
  • Budget matters (Free vs $5/month)
  • Your work is hosting & deployment-shaped, not cloud & infrastructure-shaped
Heroku

Choose Heroku if

The original easy deployment platform, now owned by Salesforce

  • You want easiest platform for deploying apps
  • You want git-based deployment workflow
  • Your work is cloud & infrastructure-shaped, not hosting & deployment-shaped
FeatureFly.ioHeroku
Pricing ModelFreemiumPaid
User RatingNo ratings yet
4.4/5
453 reviews
Categories
Hosting & DeploymentCloud & Infrastructure
Cloud & InfrastructureHosting & Deployment

In-Depth Analysis

Fly.ioFly.io

Deploy apps close to users on edge infrastructure

Starts at Free
Good value

Fly.io abandoned fixed plans in favor of pure pay-as-you-go, which is transparent but makes cost prediction harder.

Watch out

Bandwidth is not free and varies wildly by region: $0.02/GB in North America/Europe but $0.12/GB in Africa and India. An app serving 100GB/month to African users costs $12/month in bandwidth alone, 6x the North American rate

Strengths

  • +Run apps close to users globally
  • +Excellent for containerized apps
  • +Free allowance included
  • +Good CLI experience
  • +Sqlite and Postgres hosting

Weaknesses

  • -Learning curve for full features
  • -Pricing model complex
  • -Support can be slow
  • -UI less polished
  • -Debugging remote apps hard

Key features

Global deploymentAuto-scalingBuilt-in PostgresEdge computingDocker supportMulti-region apps

HerokuHeroku

The original easy deployment platform, now owned by Salesforce

Starts at $5/month
Fair value

Heroku is more expensive than alternatives but offers unmatched DX.

Watch out

Postgres/Redis add-ons

Strengths

  • +Easiest platform for deploying apps
  • +Git-based deployment workflow
  • +Large add-on marketplace
  • +Great for prototypes and small projects
  • +Managed Postgres included

Weaknesses

  • -No more free tier
  • -Expensive at scale compared to alternatives
  • -Limited customization options
  • -Cold starts on lower tiers
  • -Performance ceiling for high-traffic apps

Key features

Container deploymentManaged databasesAdd-ons marketplaceGit-based deploysAuto-scalingReview apps

Pricing: Fly.io vs Heroku

PlanFly.ioHeroku
Tier 1
Free
Free
$5 month
Eco
Tier 2
$1.94 month
Pay as you go
$7 month per dyno
Basic
Tier 3N/A
$25 month per dyno
Standard-1x
Tier 4N/A
$50 month per dyno
Standard-2x
Tier 5N/A
$250 month per dyno
Performance-M
Tier 6N/A
$500 month per dyno
Performance-L

Pricing verified from each vendor's public pricing page. Compare in detail on Fly.io pricing and Heroku pricing.

Who Should Use What?

On a budget?

Fly.io has a free tier. Heroku is paid only.

Go with: Fly.io

Want the highest-rated option?

Heroku is rated 4.4/5. Fly.io has no ratings yet.

Go with: Heroku

Value user reviews?

Fly.io: no ratings yet. Heroku: 453 reviews (4.4/5).

Go with: Heroku

3 Questions to Help You Decide

1

What's your budget?

Fly.io is freemium. Heroku is paid. Fly.io lets you start free.

2

What's your use case?

Fly.io is a hosting & deployment tool. Heroku is in cloud & infrastructure. Pick the category that matches your needs.

3

How important are ratings?

Heroku is rated 4.4/5; Fly.io has no ratings yet.

Key Takeaways

Fly.io

  • Free tier available
  • Our pick for this comparison

Heroku

  • Better fit for cloud & infrastructure

The Bottom Line

Fly.io wins this matchup. Our overall Hosting & Deployment pick is WordPress.com. Our free Hosting & Deployment pick is Podman.

Frequently Asked Questions

Is Fly.io or Heroku better?

Fly.io is rated in our evaluation. Fly.io is freemium and Heroku is paid.

What are Fly.io and Heroku used for?

Fly.io: Deploy apps close to users on edge infrastructure. Heroku: The original easy deployment platform, now owned by Salesforce.

What does Fly.io cost vs Heroku?

Fly.io is freemium (free tier + paid plans). Heroku is a paid tool. Visit their websites for detailed pricing.

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