Firebase vs Microsoft Azure Web PubSub
Discover how Firebase compares to Microsoft Azure Web PubSub, and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.
What is Firebase?
Firebase is a cloud-native backend by Google that allows developers to build mobile and web applications. Firebase services include Firebase Realtime data, Firestore database, authentication, and Firebase Cloud Messaging (FCM), among others.
What is Microsoft Azure Web PubSub?
Microsoft Azure Web PubSub is a fully managed service for real-time messaging using WebSockets and the publish-subscribe pattern. It handles up to 100,000 concurrent connections, managing scaling, encryption, and authentication. It's ideal for live broadcasts, IoT dashboards, and integrates with Azure functions. It provides APIs for managing clients and messaging.
Compare Firebase and Microsoft Azure Web PubSub
Let’s compare Firebase and Microsoft Azure Web PubSub, looking at key dimensions such as their core features, pricing, integrations, QoS, performance, and security and compliance.
Disclaimer:This comparison was created based on documentation and resources freely available online about Firebase and Microsoft Azure Web PubSub. The content was last updated on 18 Nov 2024 for Firebase and on 1 Aug 2024 for Microsoft Azure Web PubSub. Be sure to double-check everything before you make any decisions. If you do find anything incorrect or out of date, then please contact us.
Core features | |||
Pub/Sub messaging | Reduces communication code complexity, simplifying the process of building highly functional and architecturally complex realtime apps. | Firebase Partial Firebase does not natively support Pub/Sub messaging. However, this can be implemented with Google's Pub/Sub service. Read more | Microsoft Azure Web PubSub |
Chat capabilities | Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more. | Firebase Yes You can build chat capabilities on top of Firebase's Realtime Database. | Microsoft Azure Web PubSub No Microsoft Azure Web PubSub and its SDKs do not have this functionality out of the box. It is possible to build a chat application, but you would need to build the functionality yourself. Read more |
Collaboration capabilities | Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking. | Firebase Yes | Microsoft Azure Web PubSub No Microsoft Azure Web PubSub and its SDKs do not have this functionality out of the box. It is possible to build out collaboration functionality, but you would need to do it yourself. Read more |
State sync capabilities | Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience. | Firebase Yes The Firebase Realtime Database lets you store and sync data between your users in real time. Read more | Microsoft Azure Web PubSub No |
Presence | Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime. | Firebase | Microsoft Azure Web PubSub Partial Microsoft Azure Web PubSub doesn't offer presence out of the box, but can support presence when integrated with Microsoft Hubs and Groups. Read more |
Occupancy | High-level metrics about the clients currently connected to a channel make it simple to show things such as connected user count, or display which channels are the most popular. | Firebase Partial Firebase does not have built-in support for occupancy tracking. However, occupancy tracking functionality can be built on top of the Firebase Realtime Database. | Microsoft Azure Web PubSub No |
Message interactions | Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads. | Firebase Partial Message interactions are not natively supported in Firebase. However, you can programmatically build interactions on top of Firebase's Realtime Database. | Microsoft Azure Web PubSub No |
Message history | Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages. | Firebase No | Microsoft Azure Web PubSub No |
Push notifications | Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive. | Firebase | Microsoft Azure Web PubSub No Microsoft Azure Web PubSub has no native push notification functionality. Microsoft has a separate service for this - Azure Notification Hubs. Read more |
Message delta compression | Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent. | Firebase No | Microsoft Azure Web PubSub No |
Programmatic management | Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI. | Firebase Yes Firebase projects can be managed programmatically using the Firebase Management API. | Microsoft Azure Web PubSub Yes There are multiple ways to configure Azure programatically; two of the most popular are Terraform and Azure Bicep. Read more |
Pricing | |||
Free plan | With a free plan, you can test the service’s functionality and compatibility with your project before committing to a paid plan. | Firebase Yes The Spark plan (free plan) realtime database is limited to 100 simultaneous connections and 1 GB of storage. Read more | Microsoft Azure Web PubSub Yes |
Pricing model | The pricing model should align with your project's expected load, usage patterns, and budget in order to be cost-effective and efficient. | Firebase Firebase has a free plan and a pay-as-you-go plan:
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Integrations & interoperability | |||
SDKs | Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps. | Firebase
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Supported realtime protocols | Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements. | Firebase
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Serverless functions | Enables integration with third-party cloud providers by facilitating the execution of custom code against messages to perform business logic like on-the-fly translation. | Firebase
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Streaming & queueing | Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing. | Firebase Yes | Microsoft Azure Web PubSub No Azure Web PubSub is not used for steaming and queuing. Other Azure services are available for these:
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Observability services | Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice. | Firebase Yes Using Firebase Performance Monitoring you can monitor your application performance based on location, device, or version. | Microsoft Azure Web PubSub Yes |
CI/CD tools | Makes it possible to provision and configure service infrastructure as part of a CI or CD pipeline, enabling repeatable and reliable deployments. | Firebase Yes Supports:
| Microsoft Azure Web PubSub No |
Quality of Service | |||
Scalability | Scalability is vital as it ensures the service can handle increased data load or users without compromising performance. | Firebase Firebase Realtime Database is limited to 200,000 simultaneous connections, 1000 Cloud Functions per write (500 for v2 per region), 1 MB event size, and 10 MB/sec data transfer to Cloud Functions. | Microsoft Azure Web PubSub Azure offers different unit sizes to meet customer requirements. Metrics on performance are provided by the Azure platform for rightsizing resource requirements. Read more |
Guaranteed message delivery | Ensures messages are never lost during transmission, even in the presence of network disruptions. | Firebase No | Microsoft Azure Web PubSub No |
Guaranteed message ordering | Maintains the sequence of messages as they were sent. This is particularly important in apps where the chronological order of messages is essential for meaningful communication. | Firebase No | Microsoft Azure Web PubSub |
Exactly-once message delivery | Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages. | Firebase No | Microsoft Azure Web PubSub |
Performance & availability | |||
Uptime Guarantee | An uptime guarantee instills confidence in the reliability of the service and protects your business from the negative impacts of downtime. | Firebase 99.95%. Read more | Microsoft Azure Web PubSub
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Global edge network | By bringing servers (Points of Presence, or PoP) geographically closer to the devices of end users, and routing requests to the nearest PoP, global latency is reduced to a minimum. | Firebase Yes Firebase benefits from Google's global edge network. | Microsoft Azure Web PubSub No |
Multi-region data replication (message durability) | By replicating data across multiple regions, the risk of data loss or downtime is greatly mitigated since if data is lost or a server fails in one region, the information can be retrieved from another. | Firebase No Multi-region data replication is currently not supported in Firebase Realtime Database, but it is supported in Firestore databases. | Microsoft Azure Web PubSub Yes It is possible to set up multi-region primary/secondary resources with geo-replication. |
No single point of failure or congestion | Having no single point of failure means a system is resilient and can continue to operate even if one part fails. Avoiding a single point of congestion ensures messages flow efficiently across the system and avoids bottlenecks that could lead to performance issues under load. | Firebase No Each Realtime Database instance is tied to a single region chosen at the time of creation. | Microsoft Azure Web PubSub Partial Depends on architecture. It is possible to deploy to multiple regions with failover, and each region uses Availability Zones. Read more |
Latency | Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience. | Firebase Unknown. | Microsoft Azure Web PubSub Unknown. |
Security & compliance | |||
API key authentication | Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens. | Firebase No | Microsoft Azure Web PubSub Yes |
Token-based authentication | Provides a means to securely authenticate user devices against your user management system. | Firebase | Microsoft Azure Web PubSub Yes Microsoft Azure Web PubSub supports JWT and ephemeral tokens. |
Single Sign-On (SSO) authentication | SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management. | Firebase Yes SSO in a Firebase application can be implemented using SAML (Security Assertion Markup Language). Read more | Microsoft Azure Web PubSub Yes Microsoft Azure Web PubSub supports Microsoft Entra ID. |
Rules for permissions and operations | Provides control over which users can subscribe and publish to certain channels. | Firebase Yes Using Firebase Realtime Database Security Rules you can set who has access to your database. Read more | Microsoft Azure Web PubSub Yes Supported through Azure RBAC. |
End-to-end encryption | Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit. | Firebase No Data in transit is encrypted using HTTPS in all Firebase services, but this does not include end-to-end encryption. Read more | Microsoft Azure Web PubSub Yes Data in transit encryption is enabled by default. |
Encryption at rest | Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach. | Firebase Partial Some Firebase services are encrypted at rest while others are not. Firebase Realtime Database and Firebase Cloud Messaging are encrypted at rest. Read more | Microsoft Azure Web PubSub No |
Compliance | Compliance with regulations can impact your ability to meet legal obligations in your industry. | Firebase
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Alternatives to Firebase and Microsoft Azure Web PubSub
While both Firebase and Microsoft Azure Web PubSub are worth considering as options for realtime experiences, they aren’t without their limitations. We suggest evaluating them against the following alternatives to make sure you find the right solution for your needs.
Alternatives to Firebase
Supabase Realtime is a globally distributed real-time server network built on PostgreSQL, enabling developers to build applications with real-time data sync.
Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.
OneSignal is a customer engagement platform that offers push notifications, messages, and email sends for businesses to manage communication with their users.
Alternatives to Microsoft Azure Web PubSub
Google Cloud Pub/Sub is a scalable messaging service that can be used to send and receive messages from applications or services.
Azure SignalR is an Azure-hosted, fully managed realtime framework built on top of an open-source software library for Microsoft ASP.NET.
Amazon SNS is an AWS service for designed to distribute notifications from applications to subscribers via SMS, email, etc.
Discover how Firebase and Microsoft Azure Web PubSub stack up against Ably
Ably is the definitive realtime experience platform of the internet. See how we compare to Firebase and Microsoft Azure Web PubSub on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.
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