Fly.io vs Heroku
Compare Fly.io and Heroku on features, pricing, and buyer fit using the same researched criteria.
Fly.io
Cloud PaaS / microVM app platform — PAYG; shared-cpu-1x from ~$1.94/mo in lower-cost regions. Support Standard $29/mo is support, not hosting. Does not outrank Render 7.9.
Best for
- • Teams that want PAYG microVM/app hosting close to users
- • Buyers comparing Fly.io $1.94 shared-cpu-1x to Render Pro $25 + compute
- • Orgs that will not treat $29 Support as the hosting SKU
Starting from $1.94/user/mo
No free plan
VS
Our verdict
There is no universal winner between Fly.io and Heroku. Choose Fly.io when Teams that want PAYG microVM/app hosting close to users. Choose Heroku when Teams that want Salesforce-backed Cedar dynos with a published Basic $7 always-on floor. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
Fly.io is better for
- ✓ Starting pricing
Heroku is better for
- ✓ Security & admin
Tie
- • Integrations
Choose Fly.io if: Teams that want PAYG microVM/app hosting close to users
Choose Heroku if: Teams that want Salesforce-backed Cedar dynos with a published Basic $7 always-on floor
Heroku
Cloud PaaS / Cedar dynos — Eco $5 (sleeps); Basic $7 always-on (research floor); Standard-1X $25; Standard-2X $50; Performance-M $250+. No forever-free dyno. Does not outrank Render 7.9.
Best for
- • Teams that want Salesforce-backed Cedar dynos with a published Basic $7 always-on floor
- • Buyers comparing Heroku Basic to Railway Hobby/Pro and Render Pro $25
- • Orgs that will not treat Eco sleep dynos as production always-on TCO
Starting from $7.00/user/mo
No free plan
Fly.io vs Heroku at a glance
Criterion-level leaders from verified research.
Scorecard preview
Criterion leaders based on verified research — open the Scorecard tab for evidence detail.
- Starting pricingFly.io
Fly.io
Heroku
- Free planDepends
Fly.io
Heroku
- User / licence minimumDepends
Fly.io
Heroku
- IntegrationsTie
Fly.io
Heroku
- Security & adminHeroku
Fly.io
Heroku
Which It Development is better for you?
Quick picks based on fit — not a universal ranking.
- → Fly.io
Best for starting pricing
Fly.io publishes a lower researched starting floor ($1.94/mo vs $7/mo for Heroku). Confirm currency, renewals, and add-ons — not a total TCO winner.
- → Heroku
Best for security & admin
Heroku leads on security admin (7/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
The biggest differences
Where the products diverge most clearly on verified criteria.
Starting pricing
Fly.io winsFly.io
Fly.io publishes a lower researched starting floor ($1.94/mo vs $7/mo for Heroku). Confirm currency, renewals, and add-ons — not a total TCO winner.
Heroku
Trails Fly.io on this criterion
Security & admin
Heroku winsFly.io
Trails Heroku on this criterion
Heroku
Heroku leads on security admin (7/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Which should you choose?
Choose Fly.io if
- Teams that want PAYG microVM/app hosting close to users
- Buyers comparing Fly.io $1.94 shared-cpu-1x to Render Pro $25 + compute
- Orgs that will not treat $29 Support as the hosting SKU
Choose Heroku if
- Teams that want Salesforce-backed Cedar dynos with a published Basic $7 always-on floor
- Buyers comparing Heroku Basic to Railway Hobby/Pro and Render Pro $25
- Orgs that will not treat Eco sleep dynos as production always-on TCO
Related comparisons
Alternatives to consider
Render
Cloud PaaS / app platform — Hobby $0 + compute; Pro $25/mo + compute (production floor); Scale $499; Enterprise custom. Starter web $7/mo. Cluster award.
Cloudways
Managed cloud hosting — Flexible from $11/mo DigitalOcean Standard; Autonomous WordPress autoscaling separate line.
Railway
Cloud PaaS / app platform — Free Trial $5 credits / 30 days; Free $0 + $1 credits; Hobby $5/mo incl. $5 credits; Pro $20/mo per workspace; Enterprise custom. Does not outrank Render 7.9.
WP Engine
Managed WordPress hosting — Essential Startup from $30/mo annual first-year; Core from $400/mo; Enterprise custom.
How we compare
A short look at the comparison process. Full methodology
1
Collect
Collect official product information, pricing, and product evidence.
2
Normalize
Map evidence to the same category evaluation criteria for both products.
3
Compare
Evaluate both products against identical criteria — ties and depends are allowed.
4
Explain
Show why each product wins, loses, or ties, with evidence behind the outcome.
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- No invented scores or prices
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