Cloud · head to head
Fly.io vs React

React
Web Development
A JavaScript library for building user interfaces
- From
- Free
- Rated
- -
The short version
- Only React 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; React jSX requires a build step using Webpack, Babel, or other transpilers to convert to browser-executable JavaScript
- They diverge on capability: Fly.io covers Global deployment, React covers Component-based architecture.
Where they differ
Only the attributes on which Fly.io and React actually diverge.
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 React
- Component-based architecture
- Virtual DOM
- JSX syntax
- Unidirectional data flow
- React Hooks
- Server-side rendering
- Hot reloading
- Developer tools
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 React
- Running full stack apps and databases on managed machinesnot React
React
- Web application developmentnot Fly.io
- Single-page applicationsnot Fly.io
- Interactive user interfacesnot Fly.io
- Mobile app developmentnot Fly.io
- Component librariesnot 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
React
- JSX requires a build step using Webpack, Babel, or other transpilers to convert to browser-executable JavaScript
- Routing and state management are separate dependencies, not included in core library
- Configuration complexity for advanced features like server-side rendering without a meta-framework
- Requires choosing and configuring build tools and development environment setup
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
React
Free- Open SourceFree
- Component-based architecture
- Virtual DOM
- JSX syntax
Which should you pick?
Choose Fly.io if
- You need global deployment.
- You work on Web, Api, Docker.
- You also want docker support.
Choose React if
- You need component-based architecture.
- You want to start without paying.
- You work on Web, Mobile.
- You also want virtual dom.
Questions people ask
- Is Fly.io or React better?
- Neither clearly leads. Fly.io starts at $29/month and React at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Fly.io or React?
- React has a free tier; the other does not. Paid plans start at $29/month for Fly.io and Free for React.
- Does Fly.io or React run on more platforms?
- Fly.io runs on Web, Api, Docker. React runs on Web, Mobile.
- Can I use React for free?
- Yes. React 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 React is typically brought in for.
- What can Fly.io do that React cannot?
- Fly.io covers Global deployment, Docker support, Postgres databases, Redis support. React covers Component-based architecture, Virtual DOM, JSX syntax, Unidirectional data flow.
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.
SourceReact: Is React free to use commercially?
Yes. React is distributed under the MIT open-source license, which permits free usage for both personal and commercial projects without licensing fees or restrictions.
SourceFly.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.
SourceReact: Does React support TypeScript?
Yes. React works seamlessly with TypeScript for type-safe component development. TypeScript provides static type checking for React components, props, and state, improving code reliability and developer experience.
SourceFly.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.
SourceReact: Do I need a build step to use React?
If you use JSX, yes. JSX requires transpilation by a build tool like Webpack and Babel before browsers can execute it. However, React can be used without JSX by calling React.createElement directly, which does not require a build step.
SourceFly.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.
SourceReact: Can I build offline-capable applications with React?
Yes. React supports building Progressive Web Apps (PWAs) with service workers and IndexedDB for offline functionality. Create React App includes service worker setup, though it must be manually enabled for production use.
SourceRelated pages
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