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PostgreSQL vs Redis comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 5, 2025

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

PostgreSQL
Ranking in Vector Databases
12th
Average Rating
8.4
Reviews Sentiment
7.7
Number of Reviews
125
Ranking in other categories
Open Source Databases (3rd)
Redis
Ranking in Vector Databases
4th
Average Rating
8.8
Reviews Sentiment
5.7
Number of Reviews
23
Ranking in other categories
NoSQL Databases (7th), In-Memory Data Store Services (1st)
 

Mindshare comparison

As of August 2025, in the Vector Databases category, the mindshare of PostgreSQL is 5.2%, up from 3.5% compared to the previous year. The mindshare of Redis is 4.8%, down from 5.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases
 

Featured Reviews

PavithrarajShetty - PeerSpot reviewer
Offers simplicity and is cheaply priced
I haven't gone through the scalability aspect since I was using MySQL Server. I haven't worked to a high level in PostgreSQL, but with MySQL Server, I have managed clustering and partitioning. I think I haven't put much focus on PostgreSQL, so I am not sure how it behaves or how it works.
Yaseer Arafat - PeerSpot reviewer
Unmatched Performance and Scalability for Modern Applications
Redis has room for improvement in a few areas. Enhanced tools for managing and monitoring clusters would be beneficial, as would built-in security mechanisms like advanced encryption and granular access controls. Simplifying setup and configuration could make Redis more accessible to new users. Introducing more enterprise-grade features, such as better multi-tenancy support and improved backup and restore capabilities, would also be advantageous. For the next release, it would be great to see enhanced cluster management tools, native multi-region supports for better data redundancy, integrated analytics for deeper insights, AI and ML integration features, and improved developer experience through enhanced SDKs and tools.

Quotes from Members

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

Pros

"It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping."
"What I like is that it's quite powerful in terms of performance."
"The community support and the open-source community for it are good."
"I like that you can move any relational database from Oracle to PostgreSQL. I also like that it's pretty stable."
"PostgreSQL is very easy to use. I have experience in Oracle SQL and PostgreSQL uses the same syntax which makes it is easy for me to develop."
"The product is easy to use and works fast for relational databases."
"The initial setup is quick and easy."
"We use the solution to store tables. It is stable and performs well."
"Redis is a simple, powerful, and fast solution."
"I find Redis valuable primarily for its caching capabilities, particularly in handling cache requests effectively. Its simplicity in managing key-value pairs for caching is one of its strengths, making it a preferred choice over more complex databases like MongoDB for specific use cases. However, I haven't explored Redis extensively for managing complex data structures beyond caching, as MongoDB might be more suitable for such scenarios."
"Redis has multiple valuable features such as being a free and reliable open-source tool."
"It makes operations more efficient. The information processing is very fast, and very responsive. It's all about the technology."
"The ability to fetch and save data quickly is valuable."
"Redis provides an easy setup and operation process, allowing users to quickly connect and use it without hassle."
"Redis is good for distributed caching management."
"What I like best about Redis is its fast and easy use. It has interesting algorithms like HyperLogLog and provides useful features. It's also good for implementing scalable rate limiting."
 

Cons

"Integration with other platforms could be improved."
"There are several features I would like to improve that aren't working as expected. It's likely that the latest version is doing something that was missed in the previous versions. For example, the output parameters — the stored procedures — is something new in PostgreSQL that Firebird has already had for a long time."
"It could be improved by using parallelization. You want basically, distributed computing."
"Postgres should focus on building a stronger knowledge base. They also need to expand their integration capabilities, so more tools and resources are available to manage it."
"The user interface for the clients could be easier to use as they are small businesses. From a technical support perspective, the documentation could be improved."
"PostgreSQL could improve by adding data warehousing tools."
"It would be good to have machine learning functionality in this solution, similar to Microsoft SQL Server and other solutions. Machine learning capability for a basic level or a common user would be useful. It can also have good reporting capabilities."
"It would be great if the solution offered even more integration capabilities."
"Redis could be improved by introducing a GUI to display key-value pair database information, as it is currently a CLI tool with no visual representation."
"Redis could improve its efficiency in handling locally stored data, not just Amazon Cloud or Google Cloud."
"The tool should improve by increasing its size limits and handling dynamic data better. We use the client ID or associate it with a key for static content. The solution will not be easy for a beginner. Unless you understand SQL data, it will be difficult to understand and use Redis. It also needs to be user-friendly."
"The initial setup of Redis was difficult, with a rating of two or three out of ten."
"In future releases, I would like Redis to provide its users with an option like schema validation. Currently, the solution lacks to offer such functionality."
"There is a lack of documentation on the scalability of the solution."
"If we use a lot of data, it will eventually cost us a lot."
"The development of clusters could improve. Additionally, it would be helpful if it was integrated with Amazon AWS or Google Cloud."
 

Pricing and Cost Advice

"The solution requires a license."
"Affordable solution."
"It is open-source. If you use it on-premise, it is free. It also has enterprise or commercial versions. If you go for the cloud version, there will be a cost, but it is lower than Oracle or Microsoft."
"PostgreSQL is open-source, so if capable admins are available then the setup cost can be $0."
"PostgreSQL is a free and open-source database."
"The licensing model is good."
"The community version of Postgre is basically free."
"We use the open-source version of PostgreSQL and not the enterprise edition."
"Redis is not an overpriced solution."
"Redis is an open-source product."
"The tool is open-source. There are no additional costs."
"We saw an ROI. It made the processing of our transactions faster."
"Redis is an open-source solution. There are not any hidden fees."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Financial Services Firm
12%
Comms Service Provider
10%
Manufacturing Company
8%
Financial Services Firm
24%
Computer Software Company
13%
Educational Organization
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

How does Firebird SQL compare with PostgreSQL?
PostgreSQL was designed in a way that provides you with not only a high degree of flexibility but also offers you a cheap and easy-to-use solution. It gives you the ability to redesign and audit yo...
What do you like most about PostgreSQL?
It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping.
What is your experience regarding pricing and costs for PostgreSQL?
The tool is free of cost. For now, it's not about making money. But once we perfect it, we can offer it to customers willing to pay for support and other services. Most of my deployments are free.
What do you like most about Redis?
Redis is better tested and is used by large companies. I haven't found a direct alternative to what Redis offers. Plus, there are a lot of support and learning resources available, which help you u...
What needs improvement with Redis?
The disadvantage of Redis is that it's a little bit hard to have too many clusters or too many nodes and create the clusters. The sync between the nodes is easier to implement with Couchbase, for e...
What is your primary use case for Redis?
Redis is used for a part of a booking engine for travel, specifically for the front part to get some sessions and information about the sessions. If a customer or user is using the sites in differe...
 

Comparisons

 

Also Known As

No data available
Redis Enterprise
 

Overview

 

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Find out what your peers are saying about PostgreSQL vs. Redis and other solutions. Updated: July 2025.
864,053 professionals have used our research since 2012.