Software Alternatives, Accelerators & Startups

MongoDB Atlas VS Redis โ„ข

Compare MongoDB Atlas VS Redis and see what are their differences

MongoDB Atlas logo MongoDB Atlas

The best way to host MongoDB in the cloud. Deploy on AWS, Azure, or Google Cloud Platform. Try it free!

Redis logo Redis

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
  • MongoDB Atlas Landing page
    Landing page //
    2023-09-28
  • Redis Landing page
    Landing page //
    2022-10-19

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster.

MongoDB Atlas features and specs

  • Scalability
    MongoDB Atlas offers excellent scalability, allowing users to easily scale their databases vertically and horizontally to accommodate growing data needs and increasing traffic.
  • Fully Managed Service
    MongoDB Atlas is a fully managed service, meaning that tasks such as database patching, hardware provisioning, and backups are handled automatically, reducing the administrative burden on users.
  • Global Distribution
    MongoDB Atlas provides global data distribution, enabling users to deploy their databases across multiple regions and ensure low-latency access to data for end-users.
  • Security Features
    With MongoDB Atlas, robust security features such as encryption at rest and in transit, robust authentication, and fine-grained access control are available to protect your data.
  • Integration and Ecosystem
    MongoDB Atlas integrates well with other AWS, Azure, and Google Cloud services, as well as a wide variety of development tools and third-party services.
  • Auto-scaling
    Atlas provides auto-scaling capabilities that automatically adjusts the database resources according to workload demands, optimizing performance and cost efficiency.

Possible disadvantages of MongoDB Atlas

  • Cost
    MongoDB Atlas can become expensive as data and workloads grow, especially when additional features such as backups, sharding, and global deployments are utilized.
  • Dependency on Internet Access
    Since MongoDB Atlas is a cloud-based service, a reliable internet connection is necessary for consistent database access, which could be a drawback in environments with poor connectivity.
  • Complexity of Advanced Features
    While MongoDB Atlas provides many advanced features, effectively utilizing them may require a learning curve, potentially complicating deployment and management for less experienced users.
  • Vendor Lock-in
    Utilizing MongoDB Atlas can lead to vendor lock-in, making it difficult to switch to other database solutions without significant effort and cost.
  • Limited Control
    Being a managed service, users may have limited control over underlying infrastructure and certain configurations, which might be an issue for those who need specific custom setups.

Redis features and specs

  • Performance
    Redis is an in-memory data store, which allows it to provide extremely fast read and write operations. This makes it ideal for applications requiring real-time interactions.
  • Data Structures
    Redis offers a variety of data structures, such as strings, hashes, lists, sets, and sorted sets. This flexibility helps developers manage data more efficiently in different scenarios.
  • Scalability
    Redis supports horizontal scalability with features like clustering and partitioning, allowing for easy scaling as your application grows.
  • Persistence
    Though primarily an in-memory store, Redis provides options for data persistence, such as RDB snapshots and AOF logs, enabling data durability across reboots.
  • Pub/Sub Messaging
    Redis includes a built-in publish/subscribe messaging system, which can be used to implement real-time messaging and notifications.
  • Simple API
    Redis has a simple and intuitive API, which can speed up development time and make it easier to integrate Redis into various application stacks.
  • Atomic Operations
    Redis supports atomic operations on data structures, reducing the complexity of concurrent programming and making it easier to maintain data consistency.

Possible disadvantages of Redis

  • Memory Usage
    Being an in-memory data store, Redis can become expensive in terms of memory usage, especially when working with large datasets.
  • Data Persistence Limitations
    While Redis offers data persistence, it is not as robust as traditional databases. There can be data loss in certain configurations, such as when using asynchronous persistence methods.
  • Complexity in Scaling
    Although Redis supports clustering, setting up and managing a Redis cluster can be complex and may require significant DevOps expertise.
  • Single-threaded Nature
    Redis operates on a single-threaded event loop, which can become a bottleneck for certain workloads that could benefit from multi-threading.
  • Limited Query Capabilities
    Compared to traditional relational databases, Redis offers limited querying capabilities. Complex queries and joins are not supported natively.
  • License
    As of Redis 6 and higher, the Redis modules are under the Server Side Public License (SSPL), which may be restrictive for some use cases compared to more permissive open-source licenses.

MongoDB Atlas videos

An explanation of MongoDB Atlas' features and functionalities

More videos:

  • Review - MongoDB Atlas on Google Cloud
  • Review - Ep. 6 Five Ways to Reduce Costs with MongoDB Atlas

Redis videos

What is Redis? | Why and When to use Redis? | Tech Primers

More videos:

  • Review - Improve your Redis developer experience with RedisInsight, Redis Labs
  • Review - Redis Labs "Why NoSQL is a Safe Bet"
  • Review - Redis Enterprise Overview with Yiftach Shoolman - Redis Labs
  • Review - Redis system design | Distributed cache System design
  • Review - What is Redis and What Does It Do?
  • Review - Redis Sorted Sets Explained

Category Popularity

0-100% (relative to MongoDB Atlas and Redis)
Databases
9 9%
91% 91
NoSQL Databases
6 6%
94% 94
Relational Databases
19 19%
81% 81
Key-Value Database
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare MongoDB Atlas and Redis

MongoDB Atlas Reviews

  1. Richard Sandown
    ยท CEO at Camprs ยท
    Straight forward hosting and management of MongoDB

    We leverage MongoDB in a large number of client projects and always recommend MongoDB atlas for hosting. While you can roll your own and manage all of the infrastructure required to host a MongoDB database, for the time/cost it's just not worth it. Atlas is well priced for what it offers and it is easy to get a database up and running in just a few minutes. That plus all of the security and backup features make it an easy choice for us.

    ๐Ÿ‘ Pros:    Easy to setup|Affordable pricing|Free tier available
    ๐Ÿ‘Ž Cons:    No automated migration from self hosted

Redis Reviews

Redis Alternative for App Performance | Gigaspaces
Redis offers a RESTful API for accessing data stored within its in-memory technology data structures. This API provides a simple and efficient way to interact with Redis, enabling developers to leverage its capabilities seamlessly in their applications. Developers also need to manage the Redis cached data lifecycle, itโ€™s the application responsibility to store the data &...
Are Free, Open-Source Message Queues Right For You?
A notable challenge with Redis Streams is that it doesn't natively support distributed, horizontal scaling. Also, while Redis is famous for its speed and simplicity, managing and scaling a Redis installation may be complex for some users, particularly for persistent data workloads.
Source: blog.iron.io
Redis vs. KeyDB vs. Dragonfly vs. Skytable | Hacker News
1. Redis: I'll start with Redis which I'd like to call the "original" key/value store (after memcached) because it is the oldest and most widely used of all. Being a long-time follower of Redis, I do know it's single-threaded (and uses io-threads since 6.0) and hence it achieves lesser throughput than the other stores listed above which are multi-threaded, at least to some...
Memcached vs Redis - More Different Than You Would Expect
Remember when I wrote about how Redis was using malloc to assign memory? I lied. While Redis did use malloc at some point, these days Redis actually uses jemalloc. The reason for this is that jemalloc, while having lower peak performance has lower memory fragmentation helping to solve the framented memory issues that Redis experiences.
Top 15 Kafka Alternatives Popular In 2021
Redis is a known, open-source, in-memory data structure store that offers different data structures like lists, strings, hashes, sets, bitmaps, streams, geospatial indexes, etc. It is best utilized as a cache, memory broker, and cache. It has optional durability and inbuilt replication potential. It offers a great deal of availability through Redis Sentinel and Redis Cluster.

Social recommendations and mentions

Based on our record, Redis seems to be more popular. It has been mentiond 226 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

MongoDB Atlas mentions (0)

We have not tracked any mentions of MongoDB Atlas yet. Tracking of MongoDB Atlas recommendations started around Mar 2021.

Redis mentions (226)

  • Hacktoberfest 2025 with Ghostfolio
    The software is fully written in TypeScript and organized as an Nx workspace, utilizing the latest framework releases. The backend is based on NestJS in combination with PostgreSQL as a database together with Prisma and Redis for caching. The frontend is developed with Angular. - Source: dev.to / 6 days ago
  • Redis Explained: What It Is, Why You Need It, and How to Install It the Easy Way
    Hereโ€™s the thing: sometimes itโ€™s not your databaseโ€™s fault. Whatโ€™s missing is a speed booster in your architecture: Redis. - Source: dev.to / 29 days ago
  • Real-Time Sync Alternatives: Vaultrice vs. localStorage, DIY, Firebase, Pusher
    This is the path of ultimate control. You spin up a Node.js server, add the socket.io library for WebSocket communication, and use a Redis instance to manage connection state and pub/sub messaging across multiple server instances. - Source: dev.to / about 1 month ago
  • Is Your Fraud Screening Process Ignoring Local Patterns?
    Your Database: This is your system's memory. It can be a fast in-memory store like Redis for temporary data (perfect for velocity checks) or a persistent relational database like PostgreSQL for long-term data (like blacklists). - Source: dev.to / about 1 month ago
  • Redis vs. Memcached: How to Choose Your NoSQL Champion
    Redis is also an in-memory system with exceptional performance. But unlike Memcached, Redis is known as a "data structure server." It doesn't just support simple key-value pairs; it offers a rich variety of complex data structures like Lists, Hashes, Sets, and Sorted Sets. - Source: dev.to / about 2 months ago
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What are some alternatives?

When comparing MongoDB Atlas and Redis, you can also consider the following products

SAP HANA - SAP HANA is an in-memory, column-oriented, relational database management system.

MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

Ninox - Ninox is a human-friendly database. Create your own Business Application with Ninox that matches your workflow. Ninox lets you integrate CRM, ERP, HR and many more...

Apache Cassandra - The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.

Amazon Aurora - MySQL and PostgreSQL-compatible relational database built for the cloud. Performance and availability of commercial-grade databases at 1/10th the cost.

ArangoDB - A distributed open-source database with a flexible data model for documents, graphs, and key-values.