1
MongoDB Atlas Free tier

Managed MongoDB service with auto-scaling, full-text search, and multi-cloud support.

Free M0 cluster · Free Teams wanting managed NoSQL database in the cloud
Document DB Search Charts Multi-Cloud
2
CockroachDB Free tier Open Source

Distributed SQL database designed for global scale, resilience, and strong consistency.

Free 10 GiB · Free Teams wanting distributed SQL that survives anything
Distributed SQL Multi-Region Serverless PostgreSQL Compatible
3
Upstash Free tier

Serverless Redis, Kafka, and QStash with per-request pricing for edge and serverless.

Free 10K commands/day · Free Serverless developers wanting Redis and Kafka at the edge
Serverless Redis Kafka QStash Edge
4
Hasura Free tier Open Source

Instant GraphQL and REST APIs on Postgres, SQL Server, and other data sources.

Free for 1 project · Free Developers wanting instant GraphQL APIs on their database
GraphQL Real-Time Auth Remote Schemas
5
Prisma Free Open Source

Next-generation ORM for Node.js and TypeScript with type safety and migrations.

Free Node.js/TypeScript developers wanting a modern ORM
Type-Safe ORM Migrations Prisma Studio Multi-DB
6
EdgeDB Free tier Open Source

Modern database with a powerful query language, built-in auth, and schema-first design.

Free 1 GB · Free Developers wanting a modern relational database with better DX
EdgeQL Schema-First Built-In Auth Migrations

Quick comparison: Convex vs MongoDB Atlas

Feature Convex MongoDB Atlas
Starting price Free Free

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