Fly.io vs Heroku: Which is Better in 2026?
Choosing between Fly.io and Heroku? Both are popular hosting tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Both Fly.io and Heroku are strong hosting choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, Fly.io rates slightly higher (4.7 vs 4.2 out of 5).
Fly.io vs Heroku — Side by Side
| Fly.io | Heroku | |
|---|---|---|
| Category | Hosting | Hosting |
| Pricing | Usage-based | From $5/mo |
| Starting price | Pay-as-you-go | From $5/mo |
| Free tier | — | — |
| Rating | 4.7 | 4.2 |
| Best for | Hosting — paas, flyio | Hosting — paas, deploy |
Pros & Cons
- True global, multi-region deployments
- Excellent latency for global users
- Transparent usage-based pricing
- Strong Postgres and networking story
- Developer-centric tooling
- Steeper learning curve than Vercel/Render
- No traditional UI-first workflow
- Costs require monitoring at scale
- Dead-simple git-push deploys
- Language-agnostic buildpacks
- Rich add-on marketplace
- Mature and reliable
- No free tier since 2022
- Expensive at scale
- Eco dynos sleep when idle
- Slower innovation under Salesforce
Key Features Compared
Fly.io
- Global deployment across regions
- Run Docker containers
- Usage-based billing (CPU, RAM, storage, bandwidth)
- Fly Machines for fast boot times
- Private networking between services
- Built-in Anycast IPv6 & IPv4
Heroku
- 1,000 dyno hours/mo (shared)
- Sleeps after 30 min idle
- All languages via buildpacks
- Add-on marketplace
Choose Fly.io if…
- True global, multi-region deployments
- Excellent latency for global users
- Transparent usage-based pricing
Choose Heroku if…
- Dead-simple git-push deploys
- Language-agnostic buildpacks
- Rich add-on marketplace
Frequently Asked Questions
Is Fly.io better than Heroku?⌄
Both Fly.io and Heroku are strong hosting choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, Fly.io rates slightly higher (4.7 vs 4.2 out of 5).
What is the difference between Fly.io and Heroku?⌄
Fly.io — Global application platform that runs containers close to users with usage-based pricing. Heroku — The original git-push PaaS — deploy apps in any language with zero infra, now Salesforce-owned (no free tier). Both are hosting tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
Fly.io vs Heroku: which is cheaper?⌄
Fly.io pricing: Usage-based. Heroku pricing: From $5/mo. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, Fly.io or Heroku?⌄
In our catalog, Fly.io rates 4.7 out of 5 and Heroku rates 4.2 out of 5, so Fly.io has a slight edge on reviews.
See more options in our guide to the best hosting tools for startups.
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