Google Cloud Pub/Sub vs IronMQ: Which One Should I Use?

google cloud pubsub




  • Language: Google Cloud Pub/Sub streams in Java, Python and SQL while Iron.MQ is language-agnostic.
  • Performance: Google Cloud Pub/Sub is part of the Google cloud and its servers run in a multitude of regions around the world with a high availability and a steady performance. Iron.MQ is also offers high availability due to its use of numerous data centers and is a consistent performer that is best known for its incredibly fast speed.
  • Scalability: When it comes to Google Cloud Pub/Sub vs Iron.MQ, both are extremely scalable although the interface and support offered by Iron.MQ makes the process less grueling and time-consuming for users, particularly when it comes to enterprise level use.
  • Price: Google Cloud Pub/Sub offers the first 10 GB per month for free and charges a rate of $40/TiB beyond this data volume. Iron.MQ requires a monthly subscription that ranges in price based on the level of usage. For hobbyists or small-scale freelancers, the rate starts at $96.98/month.
  • Reviews: Google Cloud Pub/Sub has a ranking of 8 out of 10 on many platforms and is best for small businesses, while Iron.MQ’s ratings on a 5-star ranking scale is 4.3 out of 5 stars for mid-size to enterprise level business sizes.

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Features and Benefits

Google Cloud Pub/Sub vs Iron.MQ: Features and Benefits

Google Cloud Pub/Sub is an asynchronous messaging service that can be used as a message-oriented middleware or event ingestion and delivery. It uses the publish-subscribe pattern where publishers do not send messages to designated subscribers. Instead, these messages are published and then organized into categories where subscribers can choose whether the category is of interest before receiving the messages.

Iron.MQ is a cloud-agnostic, elastic message queue service that was founded in 2014. It was designed to be an industrial-strength, cloud-native option for modern applications. Using the service, developers can streamline communication between services and components to eliminate the need to build out and maintain messaging components on their own.

The biggest difference between Google Cloud Pub/Sub vs Iron.MQ is that with the Pub/Sub model, there are no specified receivers of messages and instead messages are published and then sent to what is known as “topics” while Iron.MQ sends messages directly to a pre-determined destination. Both, however, offer a high availability and reliable performance with message storage and real-time delivery. The key features offered by Google Cloud Pub/Sub include Native Dataflow integration, at-least-one delivery, Google Cloud-native integrations, dead letter topics, filtering, and third-party OSS integrations. Likewise, Google Cloud Pub/Sub is HIPPA-compliant and offers end-to-end encryption. With Iron.MQ, the biggest benefit is its lightning speed that makes a huge difference for those who work with large data loads. Other features like pull, push and long polling support, REST based API, automated failover, top rated customer support and a user-friendly dashboard keep the two services competitive against one another.

Google Cloud Pub/Sub vs Iron.MQ: Pricing

For those who have limited message queuing needs, Google Cloud Sub/Pub offers a free service for data volumes that fall below 10 GB per month. Beyond that, users must pay $40/tebibyte. As for Iron.MQ, users subscribe to one of many monthly plans that vary based on the level of usage. Those who use message queuing to complement a hobby or to accommodate small-scale freelancing needs can subscribe to the service for $98.96 per month, while businesses can expect to pay over $1000 monthly. For enterprise level operations, a custom quote will be generated based on the specific needs of the organization. Those who are unsure about making a monthly commitment can access a 7-day free trial beforehand and it is also important to note that they can take advantage of steep discounts by paying annually versus monthly. Serverless Tools

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Google Cloud Pub/Sub vs Iron.MQ: Reviews

Because of the drastic differences in features, popularity and cost, it is difficult to pit the two services directly against one another in terms of reviews although both fare well among real users.

  • Google Cloud Pub/Sub is rated 8 out of 10 on a few review platforms by those who use the service for their small to mid-sized business operations. Reviewers rave about the service’s unique topic, subscription, and message setup as well as the ability to queue messages for up to 7 days while expressing dissatisfaction with the lack of customer support and the difficulty that comes along with setting up security measures.
  • Alternatively, Iron.MQ has a rating of 4.3 out of 5 stars where users are larger businesses and enterprises. They are thrilled with the immense level of customer support that they receive, the speed and the ease of scaling. Reviewers most expressed dissatisfaction with the initial setup and limited integration options, but state that the customer support team was extremely helpful in resolving these dilemmas.


All in all, an in-depth review of Google Cloud Pub/Sub vs Iron.MQ presents two high-quality and reliable services that can provide immense benefits for businesses of all sizes. Ultimately, the decision of which one is superior comes down to the specific needs and preferences of a company. Freelancers, hobbyist, and small business, for instance, will likely find Google Cloud Pub/Sub’s free option sufficient while those who use larger amounts of data or need to incorporate multiple users will find Iron.MQ to be a more solid choice.

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