My top 3 mongoDB alternatives
By Shubhashree Halder, Content Manager
Supabase
When I am looking for "a database + back-end" which still feels as if I'm developing on my own primitive elements, I go to Supabase: Postgres + Auth; Storage; Real-time; and Edge Functions within one application. A specific approach I prefer is using normalized tables to store the main data of your application and isolate each customer by utilizing Postgres' Row-Level-Security (RLS) feature to enforce tenant isolation. To send real-time UI updates based upon "postgres changes," I utilize Real-Time. For collaborative functions, I will utilize Real-Time's Broadcast capability to manage cursor/chat event notifications and use presence functionality to determine who is currently online. For AI Search capabilities, I would enable the pg-vector extension and create embeddings via an edge function, then query with SQL and indexes.
Firebase
Firebase is the quickest path I’ve found to “ship a synced app” because Firestore’s client SDKs are built around real-time listeners and offline-first behavior. I also like that pricing is clearly split into Spark (no-cost) and Blaze (pay-as-you-go), with Blaze keeping Spark’s no-cost quotas. For small prototypes, Firestore’s included allowances (like 1 GiB stored data and 10 GiB/month egress) can cover a surprising amount of testing before I even think about scaling.
Singlestore
SingleStore is the option I pick when I want SQL, horizontal scale, and “dashboard-fast” queries without running a separate OLTP database plus a warehouse. What I like is its focus on blending transactional writes with analytic reads (the classic HTAP pitch), so I can ingest events and still run aggregations with predictable latency. If I’m prototyping, I’m encouraged by the fact it offers a free shared tier, and in cloud deployments it leans into credit/region-based consumption, useful when my workloads spike unpredictably.
List of Alternatives to mongoDB
Here are some of mongoDB's top competitors in the Cloud And Data Management category: Supabase, Firebase, Singlestore or Amplitude.
Supabase is an open-source alternative to Firebase, designed to simplify the development of applications by providing a comprehensive suite of backend services.
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PostgreSQL database
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Real-time subscriptions
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File storage
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Vector database
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Authentication and authorization
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Database branching
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Auto-generated APIs
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Edge functions
Free
Enterprise
Contact salesPro
$25 / monthTeam
$599 / monthAaron Smith
Quick Setup, Powerful Results
Developed our project management tool with Supabase quickly. Real-time syncing is flawless!
January 28, 2025
Why is Supabase a good alternative to mongoDB?
Supabase is the best fit I’ve seen for teams who want Postgres as the “source of truth” but don’t want to assemble five separate services. A solo developer can get a full stack quickly: database migrations via SQL, authorization enforced in the database using Row Level Security, and user management through built-in Auth (email/password, OAuth, etc.). For product teams building collaborative UX, the Realtime feature set is unusually practical: Postgres Changes for live data updates, plus Broadcast and Presence for chat/cursors/online indicators. I also like it for AI features because pgvector lets me keep embeddings next to my relational data, and Edge Functions give me a place to generate embeddings or run lightweight APIs close to users. Cost-wise, I appreciate that the Pro plan ($25) is separate from metered compute per project, and the included $10/month compute credits make the “one production project” shape easy to reason about.
What are the differences between Supabase and mongoDB?
Supabase and MongoDB solve different problems at the core: Supabase is a managed Postgres-first platform, while MongoDB is a document database with Atlas as the managed layer. In MongoDB Atlas, even the free-forever M0 tier is clearly positioned for learning, with 512 MB storage, 32 MB sort memory, and up to 100 operations/second; then you move through Flex, Dedicated (M10/M20 with shared vCPUs), and Dedicated (M30+ with dedicated vCPUs and sharding support). Supabase, instead, bills as an organization plan plus per-project compute hours: the Pro plan is $25, and compute is metered hourly by size (Micro is about ~$10/month), with $10/month in Compute Credits included on paid plans. Functionally, I find Supabase wins when I want SQL joins, constraints, migrations, and database-native authorization via RLS; MongoDB wins when I want flexible document shapes and MongoDB’s query/aggregation model across nested JSON-like structures.
With Firebase, you can easily develop apps with features like authentication, real-time database, cloud messaging, and hosting, among others. Its seamless integration and scalability make it a go-to platform for startups and established businesses looking to streamline their app development process and deliver exceptional user experiences.
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Realtime database
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Authentication
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Cloud storage
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Analytics and performance monitoring
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Cloud Firestore
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Cloud functions
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Hosting
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Cloud messaging
Juan A
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Lastly, the Google Analytics integration in Firebase has provided invaluable insights into user behavior, helping me tailor my app to better meet user needs.
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Why is Firebase a good alternative to mongoDB?
Firebase is a strong alternative when the buyer is really a mobile/web product team that wants to ship user-facing features faster than they want to think about database administration. If I’m building a chatty app (feeds, chat, presence-like UI) and I want the client to subscribe to changes directly, Firestore’s real-time listeners and the surrounding platform (Authentication, Cloud Functions, Hosting, messaging/analytics tooling) reduce the number of architectural decisions I have to make up front. I also find the plan split useful in practice: Spark for prototypes where I want no payment method attached, then Blaze when I’m ready to remove ceilings, while keeping the no-cost quotas that Spark includes. The people who benefit most are small teams without dedicated backend ops, especially when their data access patterns map cleanly to document reads and simple indexed queries rather than complex joins.
What's the difference between Firebase and mongoDB?
See the full comparison between mongoDB & Firebase
SingleStore is a high-performance, in-memory database that combines the power of SQL and NoSQL. It enables fast analytics on diverse data types, supports high transaction rates and delivers real-time responses. SingleStore is scalable, efficient, and designed to process structured and semi-structured data, making it ideal for businesses seeking to improve their data-driven decision making.
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High-Performance
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Unified Architecture
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Reliability Features
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Versatile Deployment
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Scalability
Linda Johnson
Solid In-Memory Database, Yet Customer Support Falls Short
Overall, I appreciate SingleStore's products, but I find some key features lacking. I'm particularly impressed by its dual function as an In-memory DB and Relational DB, a feature not common in most In-Memory products. The query response times are also praiseworthy. However, I'm dissatisfied with the customer support, as it's difficult to get on-call representative support even for PROD-Sev1 issues. I also noticed the absence of two-way DB replication for DataCenters. I chose SingleStore mainly for its In-memory Relational DB feature, which was also the reason I switched to it. In response to my concerns, the vendor asked me to contact community@memsql.com to discuss my support experience and escalate my concerns for improved future service. I received this response in October 2019.
August 18, 2024
Why is Singlestore a good alternative to mongoDB?
SingleStore is a good MongoDB alternative for data-heavy companies that need “operational analytics” without a multi-system pipeline. If I’m an engineering lead supporting a product analytics dashboard, fraud/risk scoring, IoT telemetry rollups, or ad-tech style event aggregation, I care less about flexible document shapes and more about predictable query latency under concurrent writes. That’s where I’d shortlist SingleStore: SQL reduces the learning curve for analysts and backend engineers, and the HTAP orientation is aimed at doing ingestion and aggregation in one place. I also like it for teams that have outgrown a single primary database and are tired of copying data into a warehouse just to run group-bys. The free shared tier lowers the friction for evaluation, and the cloud consumption model (credits/regions) maps well when workloads are spiky and I want to control where the database runs geographically.
What are the differences between Singlestore and mongoDB?
SingleStore differs from MongoDB primarily in data model and query ergonomics. MongoDB is document-first: I can store nested objects directly and query them with MongoDB’s operators and aggregation pipeline; in Atlas I can also add specialized add-ons like Atlas Search nodes and Atlas Stream Processing depending on what I’m building. SingleStore is SQL-first and is typically positioned around high-concurrency ingestion plus fast aggregation (the HTAP angle), which changes how I model data: I’m usually thinking tables, keys, and SQL query plans rather than embedded subdocuments. That difference shows up immediately in workload fit: if I’m doing join-heavy reporting, group-bys over event streams, or serving product analytics dashboards straight from the primary store, I find SingleStore’s shape more aligned. If I’m building an app where each record is naturally a flexible JSON document (and the app frequently reads/writes whole documents), MongoDB’s document model is often the more direct match.
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Why is Scalingo a good alternative to mongoDB?
I find MongoDB to be a good alternative to Scalingo due to its flexibility and scalability. MongoDB is a NoSQL database that allows for high volume data storage which makes it ideal for large scale projects. It's schema-less, meaning you can create complex documents without having to define the structure first, like fields or types of values. This makes data integration faster and easier. Moreover, MongoDB provides horizontal scalability by allowing data distribution across many servers. This is a significant advantage over traditional SQL databases which are difficult to scale horizontally. Also, MongoDB's performance over large datasets is impressive, providing faster reads and writes due to effective indexing and replication. Therefore, if you are dealing with big data or real-time applications, MongoDB might be a better choice.
What are the differences between Scalingo and mongoDB?
I understand that MongoDB and Scalingo are two different types of software used in the field of web development, serving different uses. MongoDB is a NoSQL database system which stores data in flexible, JSON-like documents. It is designed to work with large amounts of data and allows for high speed transactions, efficient indexing and real-time processing.
In contrast, Scalingo is not a database but a Platform as a Service (PaaS). It provides developers with a platform to manage their applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Scalingo supports several programming languages and services including MongoDB. Therefore, one can use MongoDB within the Scalingo platform for managing their application's data.
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Why is Scaleway a good alternative to mongoDB?
I believe MongoDB is a great alternative to Scaleway due to its scalability and flexibility. MongoDB is a NoSQL database that provides high performance, high availability, and easy scalability. It works on the concept of collections and documents, allowing for more diverse and complex data storage. Unlike Scaleway, which is a cloud infrastructure service, MongoDB allows you to store and process large amounts of data in ways that SQL databases cannot.
Moreover, MongoDB's horizontal scaling capability makes it a perfect choice for businesses expecting rapid growth. It can handle huge volumes of data while maintaining speed and efficiency. Its flexible schema design allows for quick and easy modifications as business needs evolve. Therefore, if you're looking for a database solution that offers flexibility, scalability, and performance, MongoDB could be an excellent alternative to Scaleway.
What are the differences between Scaleway and mongoDB?
I understand that MongoDB and Scaleway are two different types of technologies used in the field of data management and cloud computing. MongoDB is a source-available cross-platform document-oriented database program. It is classified as a NoSQL database program, which means it does not use the traditional tabular relational database structure, but instead uses JSON-like documents with optional schemas.
On the other hand, Scaleway is a cloud service provider that offers a range of scalable computing resources, including Bare Metal servers, Kubernetes Kapsule, and Block Storage. It's a platform where you can deploy and manage your applications and services. While MongoDB is more about how data is stored and retrieved, Scaleway is about providing the infrastructure on which those databases (like MongoDB) could run.
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