Best Enterprise Key Value Databases

How Many Key Value Databases Products Does G2 Track?

Total Products under this Category: 65

Category Stats (Sep 2026)

  • Average Rating: 4.42/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Cloudera (+2.13%) - Among all products in this category, Cloudera recorded the largest rating increase compared to last month

Last updated: September 15, 2026

How Does G2 Rank Key Value Databases Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 2,400+ Authentic Reviews
  • 65+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Key Value Databases

G2 Grid® for Key Value Databases plotting products by satisfaction and market presence

Highlighted products: Amazon DynamoDB, ScyllaDB, Amazon ElastiCache, OceanBase Database, Couchbase, Aerospike, Redis Software, and Cassandra.

Underlying data: [Grid® JSON](https://www.g2.com/categories/key-value-databases/grids.json?focus%5B%5D=amazon-web-services-aws-amazon-dynamodb&focus%5B%5D=scylladb&focus%5B%5D=amazon-elasticache&focus%5B%5D=oceanbase-database&focus%5B%5D=couchbase&focus%5B%5D=aerospike&focus%5B%5D=redis-software&focus%5B%5D=cassandra&segment=enterprise)

Amazon DynamoDB

Amazon DynamoDB is a pioneering NoSQL, fully managed, serverless database with limitless scalability and single-digit millisecond latency performance enabling customers to develop modern, microservice-based applications through a simple API. Customers enjoy the benefits of DynamoDB’s fully-managed service including broad compliance standards, security integration with AWS Identity and Access Management and numerous disaster recovery services. With DynamoDB Global Tables, customers have a 99.999% highly available, multi-Region, multi-active database supporting local reads and writes for globally distributed users. DynamoDB provides cost management features such as scale-to-zero, Time to Live (TTL) for aging data out, and multiple pricing models including a free tier.

Average Rating: 4.4/5.0

Total Reviews: 498

How Do G2 Users Rate Amazon DynamoDB?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 8.7/10)
  • Auto Recovery: 8.9/10 (Category avg: 8.6/10)
  • Data Model: 8.4/10 (Category avg: 8.8/10)
  • Integrated Cache: 8.5/10 (Category avg: 8.6/10)

Who Is the Company Behind Amazon DynamoDB?

  • Seller: Amazon Web Services (AWS)
  • Year Founded: 2006
  • HQ Location: Seattle, WA
  • Twitter: @awscloud
    2,232,483 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    147,094 employees on LinkedIn®
  • Ownership: NASDAQ: AMZN

Who Uses This Product?

  • Who Uses This: Software Engineer, Senior Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 35% Large, 34% Medium

What Do G2 Reviewers Say About Amazon DynamoDB?

AI-generated summary from verified user reviews

Pros
  • Users value the exceptional scalability of Amazon DynamoDB, enabling consistent performance during unpredictable workloads and high traffic.
  • Users appreciate the ease of use of Amazon DynamoDB, benefiting from its fully managed and scalable features.
  • Users appreciate the cost efficiency of Amazon DynamoDB, saving time and reducing operational efforts significantly.
  • Users value the low-latency performance of Amazon DynamoDB, ensuring rapid responses for high-traffic applications.
  • Users value the fully managed services of Amazon DynamoDB, significantly reducing operational burdens and enhancing efficiency.
Cons
  • Users express concerns about the expensive costs associated with DynamoDB's pay-per-request model and configuration complexities.
  • Users face challenges with query complexity, as inefficient designs can lead to high costs and throttling issues.
  • Users find Amazon DynamoDB complex for newcomers, requiring extensive learning and proper data modeling to avoid issues.
  • Users find the learning curve steep, making data modeling and queries challenging for newcomers to DynamoDB.
  • Users face cost management challenges with DynamoDB, needing careful optimization to prevent unexpected expenses.

What Are Recent G2 Reviews of Amazon DynamoDB?

What Are G2 Users Discussing About Amazon DynamoDB?

ScyllaDB

ScyllaDB is a specialty database for workloads that require predictable performance at scale. It’s adopted by organizations that require ultra-low latency, even at millions of features or operations per second, billions of embeddings, or petabytes of storage. ScyllaDB’s shard-per-core architecture taps the full power of modern infrastructure, translating to fewer nodes, less admin, and lower costs. Over 400 companies such as Disney+, Discord, Tripadvisor, Expedia, Zillow, Starbucks, and Comcast use ScyllaDB for their toughest database challenges.

Average Rating: 4.5/5.0

Total Reviews: 426

How Do G2 Users Rate ScyllaDB?

  • Has the product been a good partner in doing business?: 8.6/10 (Category avg: 8.7/10)
  • Auto Recovery: 8.6/10 (Category avg: 8.6/10)
  • Data Model: 8.8/10 (Category avg: 8.8/10)
  • Integrated Cache: 8.8/10 (Category avg: 8.6/10)

Who Is the Company Behind ScyllaDB?

  • Seller: ScyllaDB
  • Company Website:
  • Year Founded: 2013
  • HQ Location: Palo Alto, US
  • Twitter: @ScyllaDB
    29,592 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    214 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer, Senior Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 41% Small, 29% Medium

What Do G2 Reviewers Say About ScyllaDB?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the impressive performance of ScyllaDB, delivering fast results and stability under heavy workloads.
  • Users appreciate the speed and responsiveness of ScyllaDB, making complex queries and analyses simple and efficient.
  • Users appreciate the scalability of ScyllaDB, effortlessly handling millions of requests and high data loads.
  • Users value the low latency of ScyllaDB, ensuring quick results and stable performance under heavy workloads.
  • Users appreciate the ease of use of ScyllaDB, making setup and scaling remarkably straightforward for development.
Cons
  • Users find the learning curve steep, especially for beginners transitioning from other databases, impacting initial usability.
  • Users note the limited features in ScyllaDB compared to MongoDB, which affects usability and functionality.
  • Users find the difficult learning curve for new users frustrating, especially without sufficient beginner resources available.
  • Users find the difficult setup of ScyllaDB challenging, particularly for those unfamiliar with its architecture.
  • Users face a steep learning curve with ScyllaDB, making it challenging for beginners to operate effectively.

What Are Recent G2 Reviews of ScyllaDB?

Amazon ElastiCache

Amazon ElastiCache is a fully managed service that makes it easy to deploy, operate, and scale an in-memory data store and cache in the cloud. Often working in conjunction with other AWS database and storage services, ElastiCache ensures modern applications meet real-time requirements for high data throughput and sub-milli second response times, while serving millions of simultaneous requests. Amazon ElastiCache supports two open-source in-memory engines: o Redis - a fast, open source, in-memory data store and cache. Amazon ElastiCache for Redis is a Redis-compatible in-memory service that delivers the ease-of-use and power of Redis along with the availability, reliability and performance suitable for the most demanding applications. ElastiCache for Redis is fully managed, scalable, and secure - making it an ideal candidate to power high-performance use cases such as Web, Mobile Apps, Gaming, Ad-Tech, and IoT. o Memcached - a widely adopted memory object caching system. Amazon ElastiCache for Memcached is protocol compliant with Memcached, so popular tools that you use today with existing Memcached environments will work seamlessly with the service. ElastiCache for Memcached is suitable for caching use cases where performance and concurrency is important.

Average Rating: 4.5/5.0

Total Reviews: 84

How Do G2 Users Rate Amazon ElastiCache?

  • Has the product been a good partner in doing business?: 8.7/10 (Category avg: 8.7/10)
  • Auto Recovery: 8.3/10 (Category avg: 8.6/10)
  • Data Model: 8.8/10 (Category avg: 8.8/10)
  • Integrated Cache: 9.3/10 (Category avg: 8.6/10)

Who Is the Company Behind Amazon ElastiCache?

  • Seller: Amazon Web Services (AWS)
  • Year Founded: 2006
  • HQ Location: Seattle, WA
  • Twitter: @awscloud
    2,232,483 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    147,094 employees on LinkedIn®
  • Ownership: NASDAQ: AMZN

Who Uses This Product?

  • Who Uses This: Software Engineer, DevOps Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 35% Small, 33% Large

What Do G2 Reviewers Say About Amazon ElastiCache?

AI-generated summary from verified user reviews

Pros
  • Users highlight the cost efficiency of alternatives compared to AWS, emphasizing better performance at a lower price.
  • Users highlight the lack of responsive customer support, feeling neglected and frustrated by unresolved issues and high costs.
  • Users value the extremely low-latency performance of Amazon ElastiCache, enhancing application response times and handling traffic spikes efficiently.
  • Users love the extremely low-latency performance of Amazon ElastiCache, enhancing application response times significantly.
  • Users appreciate the extremely low-latency performance of Amazon ElastiCache, enhancing application response times significantly.
Cons
  • Users find AWS ElastiCache's cost issues significant, preferring alternatives like GCP for better value and support.
  • Users struggle with downtime issues when scaling large Redis clusters, needing careful planning and rebalancing.
  • Users find AWS ElastiCache overpriced and lacking support, prompting many to switch to more cost-effective alternatives.
  • Users express frustration with poor customer support, leading them to switch to alternatives like GCP for better service.
  • Users find that scaling large Redis clusters can be problematic, needing downtime and careful rebalancing for stateful workloads.

What Are Recent G2 Reviews of Amazon ElastiCache?

What Are G2 Users Discussing About Amazon ElastiCache?

OceanBase Database

OceanBase Database is a native, enterprise-level distributed database developed independently by the OceanBase team. It provides financial-grade high availability on commodity hardware and introduces a new city-level disaster recovery standard known as "Five IDCs across Three Regions". As the world's first distributed database to pass the TPC-C benchmark test, it can support over 1,500 nodes in a single cluster. Additionally, it features cloud-native architecture, strong consistency, and high compatibility with other popular databases such as Oracle and MySQL.

Average Rating: 5.0/5.0

Total Reviews: 45

How Do G2 Users Rate OceanBase Database?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Auto Recovery: 10.0/10 (Category avg: 8.6/10)
  • Data Model: 10.0/10 (Category avg: 8.8/10)
  • Integrated Cache: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind OceanBase Database?

Who Uses This Product?

  • Who Uses This: DBA, dba
  • Top Industries: Consulting
  • Company Size: 60% Medium, 29% Large

What Are Recent G2 Reviews of OceanBase Database?

Couchbase

Couchbase’s operational data platform for AI is a scalable foundation for enterprise operational, analytical, mobile and AI workloads that replaces legacy infrastructure and data services.

Average Rating: 4.3/5.0

Total Reviews: 142

How Do G2 Users Rate Couchbase?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Auto Recovery: 8.0/10 (Category avg: 8.6/10)
  • Data Model: 8.4/10 (Category avg: 8.8/10)
  • Integrated Cache: 8.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Couchbase?

  • Seller: Couchbase
  • Company Website:
  • Year Founded: 2009
  • HQ Location: San Jose, CA
  • Twitter: @couchbase
    136,110 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    849 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Senior Software Engineer, Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 39% Small, 34% Large

What Do G2 Reviewers Say About Couchbase?

AI-generated summary from verified user reviews

Pros
  • Users find Couchbase easy to use, appreciating its simple implementation and fast real-time data access.
  • Users appreciate the scalability of Couchbase, enabling efficient data management and exceptional performance across applications.
  • Users love the incredible speed of Couchbase, significantly enhancing performance for large datasets and transactions.
  • Users value the flexibility of Couchbase, enabling diverse data storage and seamless integration for various applications.
  • Users value the MongoDB compatibility of Couchbase, appreciating its ease of use and smooth integration.
Cons
  • Users find the complex configuration of Couchbase challenging, especially without dedicated database administrators or expertise.
  • Users find the difficult learning curve of Couchbase challenging, which can complicate setup and usage for novices.
  • Users find the complexity of setup and management in Couchbase to be a significant challenge and hurdle.
  • Users find the limited community growth of Couchbase hampers support and implementation efforts for new users.
  • Users feel the UI is complicated, highlighting a need for improvements to enhance the overall user experience.

What Are Recent G2 Reviews of Couchbase?

What Are G2 Users Discussing About Couchbase?

Aerospike

Aerospike is the real-time state, context, and decisioning platform for operational AI, helping enterprises ground intelligence in the current reality of their business and turn it into action at scale. More than 2 billion people worldwide interact with applications built on Aerospike. Organizations across AI, financial services, telecom, and adtech, including AMD, Mistral AI, and PayPal, rely on Aerospike to ground their most demanding real-time systems in current enterprise reality. To learn more, visit aerospike.com.

Average Rating: 4.4/5.0

Total Reviews: 80

How Do G2 Users Rate Aerospike?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 8.7/10)
  • Auto Recovery: 9.0/10 (Category avg: 8.6/10)
  • Data Model: 9.1/10 (Category avg: 8.8/10)
  • Integrated Cache: 9.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Aerospike?

  • Seller: Aerospike
  • Year Founded: 2009
  • HQ Location: Mountain View, CA
  • Twitter: @aerospikedb
    7,825 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    307 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer
  • Top Industries: Marketing and Advertising, Information Technology and Services
  • Company Size: 45% Medium, 34% Large

What Are Recent G2 Reviews of Aerospike?

What Are G2 Users Discussing About Aerospike?

Redis Software

Redis Software is our advanced solution delivering unmatched speed and reliability for on-prem and private cloud environments. It gives you full control over your deployment, ensuring high performance and scalability to meet your specific needs. Redis Software builds on the speed and reliability of Redis Community Edition with advanced features like active-active geo-distribution, advanced query and search capabilities, automated data synchronization, and superior security features. These enhancements provide enterprise-grade performance, reliability, and security, making Redis Software the ideal choice for production-grade applications.

Average Rating: 4.5/5.0

Total Reviews: 132

How Do G2 Users Rate Redis Software?

  • Has the product been a good partner in doing business?: 8.5/10 (Category avg: 8.7/10)
  • Auto Recovery: 8.0/10 (Category avg: 8.6/10)
  • Data Model: 8.7/10 (Category avg: 8.8/10)
  • Integrated Cache: 8.9/10 (Category avg: 8.6/10)

Who Is the Company Behind Redis Software?

  • Seller: Redis
  • Year Founded: 2011
  • HQ Location: San Francisco, CA
  • Twitter: @Redisinc
    44,002 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,542 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer, Senior Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 54% Small, 26% Medium

What Do G2 Reviewers Say About Redis Software?

AI-generated summary from verified user reviews

Pros
  • Users love Redis Software as a main cache provider, highlighting its ease of implementation in various projects.
  • Users appreciate the cost efficiency of Redis Software, benefiting from reduced RAM usage and smooth setup processes.
  • Users appreciate the customizability of Redis Software, allowing seamless integration and efficient management of resources and traffic.
  • Users appreciate the efficient data storage capabilities of Redis Software, enabling seamless handling of high traffic and large datasets.
  • Users find the ease of setup with Redis Software ideal for Python, Data, and Large Language Model projects.
Cons
  • Users express concerns over data size limitations in Redis, affecting backup capabilities and large-scale application performance.
  • Users find the expensive licensing fees of Redis Software challenging for SMBs compared to open-source alternatives.
  • Users find limited chart features hinder effective data visualization and analysis within Redis Software.
  • Users find the poor UI of Redis Software struggles with scalability, impacting deployment efficiency and requiring additional tools.
  • Users report slow performance during embedding with large data sets, impacting the efficiency of semantic search.

What Are Recent G2 Reviews of Redis Software?

What Are G2 Users Discussing About Redis Software?

Cassandra

Cassandra's data model offers the convenience of column indexes with the performance of log-structured updates, strong support for denormalization and materialized views, and powerful built-in caching.

Average Rating: 4.1/5.0

Total Reviews: 33

How Do G2 Users Rate Cassandra?

  • Has the product been a good partner in doing business?: 7.4/10 (Category avg: 8.7/10)
  • Auto Recovery: 6.7/10 (Category avg: 8.6/10)
  • Data Model: 6.7/10 (Category avg: 8.8/10)
  • Integrated Cache: 6.7/10 (Category avg: 8.6/10)

Who Is the Company Behind Cassandra?

Who Uses This Product?

  • Top Industries: Information Technology and Services, Internet
  • Company Size: 49% Large, 34% Medium

What Are Recent G2 Reviews of Cassandra?

What Are G2 Users Discussing About Cassandra?

Shalaka Joshi
SJ
Researched and written by Shalaka Joshi
Updated