Phoenix
Phoenix: A full-stack Elixir framework with real-time messaging, LiveView, and API support. Ranked #10 of 55 in WebSocket Tools by our editors (7.7/10); pricing: Free plan; best for elixir teams building full-stack real-time apps.
At a glance
- Editor score7.7 / 10
- PricingFree plan
- Best forElixir teams building full-stack real-time apps
- Free planYes
- Paid fromNone
- Facts checked29 Sep 2026
Where it wins
- Channels and PubSub support real-time messaging.
- LiveView builds interactive web interfaces.
- Generators and built-in authentication functionality speed up common tasks.
Where it doesn't
- Requires Elixir, which limits its fit for teams using other languages.
- Self-hosted deployment leaves infrastructure choices to the developer.
- Ecto is a separate package, not an included ORM.
Our verdict on Phoenix
Phoenix brings server-side web applications, APIs, and real-time interfaces into an open-source framework for Elixir teams. Its full-stack scope includes MVC components, routing, JSON support, Channels and PubSub for real-time messaging, and Phoenix LiveView for interactive interfaces. Project and application code generators and generated authentication functionality cover common starting points. Teams looking for a focused hosted WebSocket service may find Phoenix broader than they need; it is a framework to run on infrastructure the developer chooses.
The real-time feature set sits alongside conventional web and API work rather than replacing it. Channels and PubSub handle messaging, while LiveView supports interactive web interfaces. Built-in JSON support suits API development, and metrics instrumentation with a live dashboard provides an operational view. Integrations include PostgreSQL, MySQL, SQLite, SQL Server, and Absinthe. Ecto can be used for database-backed applications, but it is a separate package and database use is optional. That flexibility suits teams combining web interfaces, APIs, and real-time features in one Elixir application, but teams seeking a standalone service or an included ORM should consider alternatives.
Phoenix is open-source software with a free plan, and its published product information describes no commercial plan. Deployment is self-hosted: applications can be packaged as self-contained releases and run on infrastructure selected by the developer. That offers control over deployment, while requiring teams to handle the hosting environment themselves. Support channels are community resources and documentation. Phoenix is a fit for solo developers through enterprise teams already choosing Elixir and comfortable operating their own applications; it is a weaker fit for organizations that want a managed WebSocket service, a different primary language, or a bundled database layer.
Phoenix pricing
Phoenix fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Deployment model | Not verified |
| Free concurrent connections | Not verified |
| Pub/sub messaging | Not verified |
| Self-hosting available | Not verified |
| Client SDKs | Not verified |
| Protocol support | Not verified |
| Deployment | Self-hosted |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: PostgreSQL, MySQL, SQLite, SQL Server, Absinthe |
| Pricing | Free plan |
| Website | phoenixframework.org |
| Facts checked | 29 Sep 2026 |
Phoenix integrations
Phoenix lists 5 integrations on its own site.
- PostgreSQL
- MySQL
- SQLite
- SQL Server
- Absinthe
Alternatives to Phoenix
- Socket.IOAn open-source library for real-time apps, with transport fallback and reconnection built in.9.3
- Ably Pub/SubFeature-rich managed pub/sub, with a free tier and paid plans from $29/month.8.8
- Azure Web PubSubA managed Azure service for real-time apps that need WebSockets, pub-sub, and scale.8.7
See all Phoenix alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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