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Google Cloud Pub/Sub vs Liveblocks Broadcast

Discover how Google Cloud Pub/Sub compares to Liveblocks Broadcast, and understand which is right for your use case, based on dimensions such as core features, pricing, reliability, and scalability.

What is Google Cloud Pub/Sub?

Google Cloud Pub/Sub is a real-time messaging service. Pub/Sub is used for asynchronous messaging between different systems, and services, within your applications. It enables developers to build robust and scalable real-time applications.

Suitable for:

  • Chat applications
  • Realtime analytics
  • IoT data ingestion
  • Log aggregations
  • Online collaboration applications

Not suitable for:

  • Stateful applications

Pros:

  • Highly scalable
  • Easy to use
  • Integrates with Google Cloud's ecosystem
  • Reliable

Cons:

  • Cost can escalate quickly
  • Vendor lock-in
  • Debugging can be challenging
  • Limited retention time
  • Lack of configuration control
  • Isolated service
Liveblocks Broadcast

What is Liveblocks Broadcast?

Liveblocks Broadcast is a real-time communication solution that helps developers embed collaborative experiences into their products.

Suitable for:

  • Interactive gaming
  • Live streaming
  • Collaborative applications

Not suitable for:

  • Static content websites
  • Non-interactive media

Pros:

  • Pre-built components
  • Reliable
  • Low latency
  • Easy integration
  • Fully hosted

Cons:

  • High cost for paid versions

Compare Google Cloud Pub/Sub and Liveblocks Broadcast

Let’s compare Google Cloud Pub/Sub and Liveblocks Broadcast, 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 Google Cloud Pub/Sub and Liveblocks Broadcast. The content was last updated on 1 Aug 2024 for Google Cloud Pub/Sub and on 29 Jul 2024 for Liveblocks Broadcast. 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 If you do find anything incorrect or out of date, then please contact us.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.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

No

Liveblocks Broadcast only offers basic broadcast capabilities.

Chat capabilities

Accelerates the time to implement rich chat experiences with features such as read receipts, typing indicators, and more.

Google Cloud Pub/Sub

No

Chat features such as group chat, emojis, and file sharing are not supported by Google Pub/Sub out of the box, which is intended to be used for service-to-service communication.

Liveblocks Broadcast

No

Liveblocks does not support comprehensive chat capabilities such as 1-on-1 messaging, group chats, message history, read receipts, typing indicators, file sharing, and emojis. You will need to build this out by integrating with other chat solutions or by using the Liveblocks Realtime API.

Collaboration capabilities

Enables you to quickly integrate realtime collaborative features like live cursors, member location, avatar stacks, and component locking.

Google Cloud Pub/Sub

No

Google Pub/Sub recommends using other Google services like Firebase Realtime database to build applications that require functionalities like collaboration.

Read more
Liveblocks Broadcast

Partial

Liveblocks supports collaboration features like comments, notifications, and text editor out-of-the-box. For other features like live cursors, member location, avatar stacks and component locking, you would need to use Liveblocks Realtime APIs to build them.

Read more
State sync capabilities

Enables realtime data synchronization across devices and users, ensuring a cohesive and up-to-date user experience.

Google Cloud Pub/Sub

No

Google Pub/Sub does not support a state sync feature out of the box, but this can be achieved in combination with a realtime database.

Liveblocks Broadcast

Yes

Liveblocks supports state sync capabilities through its Live Storage feature. It is a realtime sync engine thats reflects changes to the frontend instantly.

Read more
Presence

Maintaining a view of which users are connected, and their associated metadata, enables their online status to be updated in realtime.

Google Cloud Pub/Sub

No

Liveblocks Broadcast

Yes

Liveblocks supports presence for up to 30 people.

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.

Google Cloud Pub/Sub

Yes

Google Pub/Sub provides monitoring dashboards that can be used to monitor subscriptions. Subscriptions can also be monitored through the Cloud Monitoring API.

Read more
Liveblocks Broadcast

Yes

Liveblocks supports occupancy with its Rooms feature.

Message interactions

Enables interaction with previously-sent messages, facilitating the implementation of features like message reactions and threads.

Google Cloud Pub/Sub

No

Liveblocks Broadcast

No

Message history

Enables clients to catch up on missed messages when inactive, ensuring a user doesn’t miss any important messages.

Google Cloud Pub/Sub

No

Pub/Sub can't retrieve acknowledged messages. You can use the Seek feature to mark them as unacknowledged and redeliver them or delete unacknowledged messages.

Read more
Liveblocks Broadcast

No

Liveblocks has an 'Undo/redo’ feature instead.

Read more
Push notifications

Cross-platform push notifications make it possible to deliver important and timely messages to users even when they’re inactive.

Google Cloud Pub/Sub

Yes

You can create a push subscription workflow for push notifications using Google Pub/Sub.

Read more
Liveblocks Broadcast

No

Message delta compression

Minimizes bandwidth and can reduce latency, particularly in scenarios where continuous updates are sent.

Google Cloud Pub/Sub

No

Liveblocks Broadcast

No

Programmatic management

Enables the automation of provisioning, management, and testing of service resources, simplifying integration with existing development workflows such as CI.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

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.

Google Cloud Pub/Sub

No

Liveblocks Broadcast

Yes

Liveblocks has a starter plan which is free for up to up to 100 monthly active users.

Read more
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.

Google Cloud Pub/Sub

Google Pub/Sub has usage-based pricing, based the number of published, delivered, and stored bytes.

Read more
Liveblocks Broadcast

Liveblocks uses a tiered pricing model:

  • Starter (free): up to 100 Monthly Active Users (MAU).
  • Pro ($230/month): up to 1k MAUs, with additional users $0.23 per MAU.
  • Enterprise (custom pricing): custom MAUs, 99.9% uptime SLA, and private dedicated servers.
Read more
Integrations & interoperability
SDKs

Supporting multiple languages and platforms offers greater flexibility when building cross-platform realtime apps.

Google Cloud Pub/Sub
  • C++
  • C#
  • Go
  • Java
  • Node.js
  • PHP
  • Python
  • Ruby
Liveblocks Broadcast
  • JavaScript (NodeJS)
Supported realtime protocols

Support for multiple protocols provides the flexibility to choose a protocol that best suits your project’s requirements.

Google Cloud Pub/Sub

None.

Google Pub/Sub does not natively support any real-time protocols. However, you can implement WebSockets using other Google services like Google's Compute Engine.

Liveblocks Broadcast
  • WebSockets
  • HTTP
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.

Google Cloud Pub/Sub
  • Google Cloud Functions
Liveblocks Broadcast

None.

Streaming & queueing

Provides a dependable method to reroute messages from the service to third-party streams and queues for further processing.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

No

Observability services

Enables realtime monitoring and troubleshooting by offering insights into service behavior directly in your observability platform of choice.

Google Cloud Pub/Sub

Yes

The Google Monitoring, Alerting and Logging integration provides observability services.

Read more
Liveblocks Broadcast

Yes

Liveblocks includes observability services through its monitoring dashboard, enabling you to track and manage collaborative experiences within your application. The dashboard provides various metrics, such as active users, active rooms, comments, notifications, and data stored.

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.

Google Cloud Pub/Sub

Yes

Supports:

  • Jenkins
  • Google Cloud Build
Liveblocks Broadcast

No

Quality of Service
Scalability

Scalability is vital as it ensures the service can handle increased data load or users without compromising performance.

Google Cloud Pub/Sub

Google Pub/Sub is built to be scalable and reliable. Google uses the service for their products to send billions of messages per day. You can read more about their architecture and limitations in their documentation.

Liveblocks Broadcast

Unknown.

Guaranteed message delivery

Ensures messages are never lost during transmission, even in the presence of network disruptions.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

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.

Google Cloud Pub/Sub

No

Google Pub/Sub supports message ordering, but cannot always guarantee it even when this is enabled - for example, when dead-letter topics are enabled on subscriptions.

Read more
Liveblocks Broadcast

No

Exactly-once message delivery

Guarantees that each message is processed exactly once, preventing data inconsistencies that can arise from duplicate processing or missing messages.

Google Cloud Pub/Sub

Yes

Google Pub/Sub supports exactly-once delivery based on a Pub/Sub-defined unique message ID.

Read more
Liveblocks Broadcast

No

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.

Google Cloud Pub/Sub

99.95%

Read more
Liveblocks Broadcast
  • For Starter and Pro Plans - None
  • For Enterprise Plan - 99.9% Uptime SLA
Read more
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.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

Liveblocks manages a WebSocket edge network which makes use of uses the Cloudflare Workers global network.

Read more
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.

Google Cloud Pub/Sub

Yes

Google Pub/Sub supports synchronous data replication across three zones.

Liveblocks Broadcast

No

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.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

Liveblocks uses their data hosting provider's backup services to reduce risk of data loss under hardware failure. They also monitor services to alert the team of failures affecting users.

Latency

Low latency is crucial for realtime apps as it ensures swift and efficient data transmissions, providing a smoother and more responsive user experience.

Google Cloud Pub/Sub

100ms round trip

Liveblocks Broadcast

Unknown.

Security & compliance
API key authentication

Simplifies the authentication code on trusted servers compared to requesting, managing, and refreshing tokens.

Google Cloud Pub/Sub

No

Google Pub/Sub only supports gcloud CLI credential and Application Default Credentials (ADC).

Read more
Liveblocks Broadcast

Yes

Token-based authentication

Provides a means to securely authenticate user devices against your user management system.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

Supported with JSON Web Tokens (JWTs). Two options are available: Access Tokens and ID Tokens.

Read more
Single Sign-On (SSO) authentication

SSO streamlines login processes, boosts security by minimizing password use, and meets compliance needs for secure data access management.

Google Cloud Pub/Sub

Yes

SSO authentication in Pub/Sub is supported through Google Cloud IAM, OAuth 2.0, and Workforce Identity Federation, allowing integration with external identity providers like Azure AD or Okta.

Read more
Liveblocks Broadcast

Yes

Rules for permissions and operations

Provides control over which users can subscribe and publish to certain channels.

Google Cloud Pub/Sub

Yes

Rules for permissions and operation can be configured using Identity and Access Management (IAM).

Read more
Liveblocks Broadcast

Yes

End-to-end encryption

Ensures that the data transmitted between the client and the API server remains confidential and secure while in transit.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

Encryption at rest

Ensures data stored by the service is secure and compliant, while also mitigating the risks of a data breach.

Google Cloud Pub/Sub

Yes

Liveblocks Broadcast

Yes

Compliance

Compliance with regulations can impact your ability to meet legal obligations in your industry.

Google Cloud Pub/Sub
  • HIPAA
Liveblocks Broadcast
  • SOC2 Type 1

Alternatives to Google Cloud Pub/Sub and Liveblocks Broadcast

Whilst both Google Cloud Pub/Sub and Liveblocks Broadcast 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 Google Cloud Pub/Sub

AWS SQS is a message queuing solution for decoupling apps, services & architectures.

tech provider image

Apache Kafka is an open-source real-time data streaming platform.

Azure Service Bus is a fully managed message service with message queues and Pub/Sub topics.

See more alternatives to Google Cloud Pub/Sub

Alternatives to Liveblocks Broadcast

PubNub is a developer API platform that powers the realtime infrastructure in apps to build engaging Virtual Spaces where online communities can connect.

Pusher is a first-generation pub/sub messaging service that provides bi-directional hosted APIs for adding realtime features to applications.

Socket.IO is a library that provides realtime, bi-directional communication between clients and servers. It allows the management of connections, sending and receiving messages, and more.

See more alternatives to Liveblocks Broadcast

Discover how Google Cloud Pub/Sub and Liveblocks Broadcast stack up against Ably

Ably is the definitive realtime experience platform of the internet. See how we compare to Google Cloud Pub/Sub and Liveblocks Broadcast on key dimensions such as core features, pricing, integrations, QoS, performance, and security and compliance.

Try Ably for free to discover the benefits for yourself

Ably has built reliable realtime infrastructure so you don’t have to. On our free plan you benefit from:

  • 6M monthly messages
  • 200 concurrent channels
  • 200 concurrent connections