CentOS 9 (centos 9) | Support by SupportedImages vs PubNub comparison

CentOS 9 (centos 9) | Suppo...

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Executive Summary

We performed a comparison between CentOS 9 (centos 9) | Support by SupportedImages and PubNub based on real PeerSpot user reviews.

Find out in this report how the two AWS Marketplace solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.

To learn more, read our detailed CentOS 9 (centos 9) | Support by SupportedImages vs. PubNub Report (Updated: October 2026).

CentOS 9 (centos 9) | Support by SupportedImages vs. PubNub

October 2026

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

CentOS 9 (centos 9) | Suppo...

Ranking in AWS Marketplace

484th

Average Rating

8.4

Number of Reviews

Ranking in other categories

No ranking in other categories

PubNub

Ranking in AWS Marketplace

19th

Average Rating

8.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Featured Reviews

Chaithanya Kutnikar

Senior Solutions Architect at Capgemini

Modern infrastructure has supported cloud migrations and improved secure distributed workloads

Among the downsides of CentOS 9 | Support by SupportedImages, I find that while installation becomes easier, the migration process concerning mainframes has been well-represented, especially with CentOS 9 | Support by SupportedImages 10 now integrating AI capabilities. The inclusion of GPUs and other resources to process large datasets could be a future direction worth pursuing, enhancing its abilities with RAG or generative AI through proper prompt engineering and ethics considerations. I would prefer to see more AI integrations within CentOS 9 | Support by SupportedImages. IBM is already making strides in this area by investing significantly. Following their acquisition and merger with Red Hat, CentOS 9 | Support by SupportedImages distribution aligns closely with Red Hat's, fostering AI capabilities and a futuristic approach to enhance daily operations through flexible application building on virtual machines.

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Kirtishil Patil

Senior Frontend Developer at Globant

Real-time chat has boosted one-to-one messaging and user engagement in my mobile projects

The best features PubNub offers, in my opinion, are one-to-one chat, as I mentioned in my review, and the great SDK documentation which allows for easy integration that does not take much time. Setting up channels, message listeners, tracking user status to determine whether users are online or offline, and ensuring reliable message delivery are all great features. I find myself relying on all three of those features the most because the presence tracking is great, the delivery speed is superb compared to other SDKs, and the user status updates immediately pop up, which is significant. The integration is very easy, so any new developers can easily understand the integration process thanks to the clear documentation. PubNub has positively impacted my organization as I have received numerous reviews and feedback stating that the chat works much faster and cleaner, and everyone appreciates it, saying it feels powerful. After implementing PubNub, I noticed positive outcomes such as client feedback acknowledging that they enjoyed the chat features and found them much faster than in other applications, which I believe is very positive feedback for any organization.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"CentOS 9 (centos 9) | Support by SupportedImages is stable as far as I am concerned. It is 100% stable."

"The low cost, low maintenance, support, and latency features of CentOS 9 | Support by SupportedImages are what I appreciate the most about it."

"CentOS 9 (centos 9) | Support by SupportedImages helps with my application deployment process in general, and I get more productivity with it.I measure this productivity by the earlier build time with another OS, which was 32 minutes; with CentOS 9 (centos 9) | Support by SupportedImages, we are able to achieve the build time of around 14 to 16 minutes, down from an earlier 32 to 36 minutes."

"PubNub has positively impacted my organization as I have received numerous reviews and feedback stating that the chat works much faster and cleaner, and everyone appreciates it, saying it feels powerful."

"PubNub saves development time because we do not have to create a complete chat backend and frontend from scratch, enabling a plug-and-play approach that saves time, effort, and money for the company."

"If we had implemented all of this on our own, we would have had to hire at least 50 more employees for that, so we are very happy with PubNub and we have saved a lot of time."

"The speed and efficiency of PubNub, which helps transfer data in real-time with very low latency, received positive feedback from our customers."

"PubNub's push notification and chat features stand out because of ease of use and very easy integration within our application."

"PubNub has positively impacted my organization by reducing implementation time and developers' work, making it very easy to implement and enabling fast development that has reduced the developers' time by 40-50%."

Cons

"I experienced some lagging or crashing when I migrated to CentOS 9 | Support by SupportedImages 8; this event occurred during the early stage of that version."

"The support system is not very much up to the mark as we have with Ubuntu, and definitely, with respect to CentOS 9 (centos 9) | Support by SupportedImages, the help or support forum needs to be more comprehensive so that for many issues we need not reinvent the wheel."

"Most of the time there are some instances at the load peak hours or sometimes payload is missed by the application or SDK at the SDK level."

"I believe PubNub can improve in terms of pricing transparency, as I previously mentioned, since that is the only thing I think should be improved because for smaller projects or startups, estimating scaling costs can be challenging."

"Regarding customer support from PubNub, around six years ago, we did not receive good support."

"I gave PubNub a rating of nine out of ten because of the many features discussed, but I deducted one point because the cost increases with scale."

"The reliability of PubNub is really good, but occasionally we face issues where users complain about messages or push notifications not being delivered within a short period of time, as it occasionally takes longer, which could be due to outages."

"Since PubNub is a paid library, it may not be useful for everyone."

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12%

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Questions from the Community

What is your experience regarding pricing and costs for CentOS 9 (centos 9) | Support by SupportedImages?

Pricing challenges may be difficult for me to address since I focus primarily on technical details and tend to negotiate trade-offs based on requirements. When good hardware is present, particularl...

What needs improvement with CentOS 9 (centos 9) | Support by SupportedImages?

What is your primary use case for CentOS 9 (centos 9) | Support by SupportedImages?

CentOS 9 is still in use in my infrastructure operations and support coming from a traditional data center background. I utilized it extensively in projects from 2022 to 2024, including retailers a...

What is your experience regarding pricing and costs for PubNub?

The setup cost is very low. Regarding pricing, when the data scales, the pricing increases gradually, but PubNub does not charge much in the initial phase.

What needs improvement with PubNub?

The subscription and the SDK part can be improved. If the client is offline and the application is killed, and the user comes back again, sometimes the subscription to the channel is missed, so tha...

What is your primary use case for PubNub?

We are mostly using PubNub for payload sending and for live chat. We are a mobile-based application with an admin side, so it's a live chat application. Whenever a user comes online or offline ...

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Product Reports

CentOS 9 (centos 9) | Support by SupportedImages

November 2026

CentOS 9 (centos 9) | Support by SupportedImages report

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October 2026

Overview

CentOS 9 (centos 9) | Support by SupportedImages offers a reliable, open-source operating system intended for stable environments, emphasizing consistent performance and seamless operations for enterprises.

CentOS 9 provides a robust platform tailored for enterprise environments, ensuring stability and security. Supported by SupportedImages, it guarantees extensive compatibility and expert support, making it a preferred choice for businesses seeking reliable and consistent performance in their operational landscape. With enhanced security features and a user-friendly approach, CentOS 9 ensures high performance across different workloads, streamlining operational efficiencies for enterprises.

What are the primary features of CentOS 9?

Stability and Security: Offers long-term support with regular updates ensuring a secure environment.
Compatibility: Seamless integration with supported software and multiple technologies.
Performance: Optimized for high-load applications and efficient resource management.

What benefits and ROI should users consider in reviews?

Cost Efficiency: Open-source model reduces licensing costs significantly.
Scalability: Supports business growth with its flexible architecture.
Support Reliability: Access to comprehensive support enhances user confidence.

Implementing CentOS 9 in industries like finance, healthcare, and telecommunications enhances operational capabilities by providing secure and efficient processes. Its ability to manage high-traffic environments with minimal downtime makes it a strategic choice for industries prioritizing security and performance.

Supported Images

PubNub delivers real-time communication solutions that enable seamless data transmission, catering to businesses requiring instant messaging and tracking capabilities. It supports developers with robust SDKs and multiple protocol integrations for scalable and reliable applications.

Specializing in real-time interactivity, PubNub offers a platform designed for scalability and efficiency. It provides a secure and globally distributed network to manage millions of messages per second with low latency. Businesses leverage PubNub for chat applications, live audience engagement, IoT device management, and more. The dynamic infrastructure facilitates rapid development and deployment, making it a preferred choice for developers seeking to enhance connectivity and data flow.

What are PubNub's most important features?

Real-Time Messaging: Instantly delivers messages to ensure immediate communication across platforms.
Presence Detection: Monitors online status, allowing apps to react dynamically to users coming online or going offline.
Stream Controller: Manages data streams independently across numerous channels for enhanced organization.
Data Encryption: Ensures secure data communication through end-to-end encryption for user privacy.
Push Notifications: Provides timely alerts to users, keeping them informed and engaged with minimal delay.

What are the benefits or ROI to consider?

Scalability: Supports rapid growth in user base without performance degradation.
Latency Reduction: Enhances user experience by minimizing delays in data transmission.
Cost Efficiency: Reduces infrastructure costs by pre-built integrations that cut down implementation time.
Security: Protects data integrity, fostering trust with users through robust encryption protocols.
Developer Support: Offers comprehensive documentation and SDKs for simplified development and integration.

In the finance industry, PubNub supports instant transaction alerts and stock trading applications by providing the real-time data processing that is crucial for market activities. E-commerce platforms use PubNub to handle customer queries and facilitate live support. Its implementation in IoT allows for efficient device monitoring and smart city applications. Gaming companies rely on PubNub for multiplayer matchmaking and live event streaming, creating immersive experiences for users worldwide.