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Cloud · head to head

Fly.io vs Mozilla Firefox

Fly.io logo

Fly.io

Cloud

Deploy web applications globally

From
$29/month
Rated
-
Full reviewWebsite
Mozilla Firefox logo

Mozilla Firefox

Technology

Fast, private & safe web browser

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Mozilla Firefox has a free tier, so it costs nothing to try first.
  • Each has a real cost: Fly.io egress is priced by destination region, from $0.02 per GB in North America and Europe to $0.12 per GB for Africa and India, so the same traffic costs six times more depending on where users are; Mozilla Firefox no longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR)
  • They diverge on capability: Fly.io covers Global deployment, Mozilla Firefox covers Enhanced tracking protection.

Where they differ

Only the attributes on which Fly.io and Mozilla Firefox actually diverge.

Attributes where Fly.io and Mozilla Firefox differ
AttributeFly.ioMozilla Firefox
Starting price$29/monthFree
Pricing modelusage-basedUnknown
Free tierNoYes
PlatformsWeb, Api, DockerWindows, macOS, Linux, iOS, Android
CategoryCloudTechnology
Founded20202004

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Fly.io

  • Global deployment
  • Docker support
  • Postgres databases
  • Redis support
  • Auto-scaling
  • Health checks
  • Backups
  • Monitoring

Only in Mozilla Firefox

  • Enhanced tracking protection
  • Private browsing
  • Customizable interface
  • Add-ons support
  • Cross-device sync
  • Built-in screenshot tool
  • Reader mode
  • Picture-in-picture

What people use each for

The jobs each tool is most often brought in to do.

Fly.io

  • Deploying containerised applications close to users across regionsnot Mozilla Firefox
  • Running full stack apps and databases on managed machinesnot Mozilla Firefox

Mozilla Firefox

  • Open-source web browser with privacy-focused designnot Fly.io
  • Automatic tracking protection and ad blocking (2000+ data trackers blocked by default)not Fly.io
  • Private browsing mode for anonymous web sessionsnot Fly.io
  • Built-in password managernot Fly.io
  • Multi-platform synchronisation across devicesnot Fly.io
  • Developer tools and debugging capabilities for web developmentnot Fly.io

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Fly.io

  • Egress is priced by destination region, from $0.02 per GB in North America and Europe to $0.12 per GB for Africa and India, so the same traffic costs six times more depending on where users are
  • Stopped machines still bill at $0.15 per GB of root filesystem a month, so a paused service is not a free one
  • Volumes are billed on provisioned capacity rather than usage, at $0.15 per GB a month
  • Reservation discounts of 40% require paying a year up front, from $36 to $1,440
  • Fly Kubernetes is a separate $75 a month per cluster
  • Dedicated IPv4 addresses are $2 a month each

Mozilla Firefox

  • No longer supported on Windows 8.1 and earlier versions (users must use Firefox ESR)
  • No longer supported on macOS 10.14 and earlier versions (users must use Firefox ESR)

Pricing, plan by plan

Fly.io

$29/month
  • Pay-as-You-Go$null/mo
    • Micro VMs and persistent storage charged by usage
    • FlyCTL CLI
    • Unlimited users and organizations
  • Serious Support$29/month
    • Access to dedicated engineering team
    • All Pay-as-You-Go features
  • Machine Reservation Blocks$null/mo
    • 40% discount on machine usage
    • Requires upfront payment for savings
  • Compliance Package$99/month
    • HIPAA compliance
    • BAAs
    • SOC2 documentation

Mozilla Firefox

Free

No published plan breakdown. See the Mozilla Firefox review.

Which should you pick?

Choose Fly.io if

  • You need global deployment.
  • You work on Web, Api, Docker.
  • You also want docker support.
Fly.io review

Choose Mozilla Firefox if

  • You need enhanced tracking protection.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want private browsing.
Mozilla Firefox review

Questions people ask

Is Fly.io or Mozilla Firefox better?
Neither clearly leads. Fly.io starts at $29/month and Mozilla Firefox at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fly.io or Mozilla Firefox?
Mozilla Firefox has a free tier; the other does not. Paid plans start at $29/month for Fly.io and Free for Mozilla Firefox.
Does Fly.io or Mozilla Firefox run on more platforms?
Fly.io runs on Web, Api, Docker. Mozilla Firefox runs on Windows, macOS, Linux, iOS, Android.
Can I use Mozilla Firefox for free?
Yes. Mozilla Firefox has a free tier, so you can try it without paying. Fly.io starts at $29/month.
What is Fly.io best used for?
Fly.io is most often used for deploying containerised applications close to users across regions, running full stack apps and databases on managed machines. Of those, deploying containerised applications close to users across regions and running full stack apps and databases on managed machines are not what Mozilla Firefox is typically brought in for.
What can Fly.io do that Mozilla Firefox cannot?
Fly.io covers Global deployment, Docker support, Postgres databases, Redis support. Mozilla Firefox covers Enhanced tracking protection, Private browsing, Customizable interface, Add-ons support.

Answered from the vendors’ own pages

Fly.io: Is there a free tier for Fly.io?

Fly.io does not advertise a free tier. The base plan is pay-as-you-go with usage-based pricing for Micro VMs and persistent storage. All users get FlyCTL CLI, unlimited organizations, private networking, SSO, ACLs, and scoped tokens.

Source
Mozilla Firefox: How much does Firefox cost?

Firefox is free to download and use. No pricing tiers, subscriptions, or payment plans are offered for the standard browser.

Source
Fly.io: How much does Fly.io Serious Support cost?

Serious Support costs 29 USD per month and provides access to a dedicated engineering team while maintaining all pay-as-you-go features for Micro VMs and storage.

Source
Fly.io: What does Fly.io Compliance Package include?

The Compliance Package is 99 USD per month and includes HIPAA compliance, BAAs, and SOC2 documentation for organizations requiring compliance certifications.

Source
Fly.io: Does Fly.io offer discounts for upfront commitment?

Yes, Fly.io offers Machine Reservation Blocks with 40% discount on machine usage. This requires upfront payment but applies savings on infrastructure costs.

Source
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