SoftwareGlimpse

FireHydrant vs Fly.io

Compare FireHydrant and Fly.io on features, pricing, and buyer fit using the same researched criteria.

Independently recommendedLast updated Aug 18, 20266 evidence sources2 screenshotsHow we compare

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FireHydrant

7.7/10

Incident response — Free up to 10 responders; Pro $25/responder/mo annual; Enterprise custom; 14-day Pro trial. Does not outrank PagerDuty 8.0.

Best for

• Teams that want incident command with a 10-responder free path
• Buyers comparing FireHydrant Pro $25 to Rootly $20 and incident.io Team $15
• Orgs that will keep PagerDuty for paging and add FireHydrant for command

Starting from $25.00/user/mo

Free plan available

Visit FireHydrant

VS

Our verdict

No universal winner

No universal winner. Choose based on which criteria matter most for your team.

FireHydrant is better for

✓ Free plan

Fly.io is better for

✓ Starting pricing

Tie

• Integrations
• Security & admin

Choose FireHydrant if: Teams that want incident command with a 10-responder free path

Choose Fly.io if: Teams that want PAYG microVM/app hosting close to users

See detailed comparison ↓

Fly.io

7.7/10

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

FireHydrant vs Fly.io at a glance

Criterion-level leaders from verified research.

Full scorecard →

Scorecard preview

Criterion leaders based on verified research — open the Scorecard tab for evidence detail.

Starting pricingFly.io
FireHydrant
Fly.io
Free planFireHydrant
FireHydrant
Fly.io
User / licence minimumDepends
FireHydrant
Fly.io
IntegrationsTie
FireHydrant
Fly.io
Security & adminTie
FireHydrant
Fly.io

Which It Development is better for you?

Quick picks based on fit — not a universal ranking.

→ FireHydrant
Best for free plan
FireHydrant researches a free plan; Fly.io does not research a free plan.
→ Fly.io
Best for starting pricing
Fly.io publishes a lower researched starting floor ($1.94/mo vs $25/mo for FireHydrant). Confirm currency, renewals, and add-ons — not a total TCO winner.

The biggest differences

Where the products diverge most clearly on verified criteria.

Starting pricing
Fly.io wins
FireHydrant
Trails Fly.io on this criterion
Fly.io
Fly.io publishes a lower researched starting floor ($1.94/mo vs $25/mo for FireHydrant). Confirm currency, renewals, and add-ons — not a total TCO winner.
Free plan
FireHydrant wins
FireHydrant
FireHydrant researches a free plan; Fly.io does not research a free plan.
Fly.io
Trails FireHydrant on this criterion

Which should you choose?

Choose FireHydrant if

Teams that want incident command with a 10-responder free path
Buyers comparing FireHydrant Pro $25 to Rootly $20 and incident.io Team $15
Orgs that will keep PagerDuty for paging and add FireHydrant for command

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

Related comparisons

Alternatives to consider

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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Independent criterion outcomes
No invented scores or prices
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