Skip to main content

Managed MongoDB · Backend & Databases

No cardNo end date

MongoDB Atlas free tier

Hosted MongoDB with a free shared cluster that has no end date.

Checked against MongoDB Atlas's official pages on 1 Nov 2026. Free tiers change, so confirm before you commit.

What MongoDB Atlas's free plan gives you

One free 512 MB cluster per project, with shared CPU/RAM, up to 500 connections and daily backups.

MongoDB Atlas free plan limits
LimitFree plan
Storage512 MB
ThroughputUp to 100 ops/sec
Connections500
Data transfer10 GB in + 10 GB out per 7 days
Clusters1 free per project

The catch

512 MB fills quickly, and there is a 100 ops/sec cap.

Pros and cons

Good

  • Free with no end date
  • No card
  • Runs on AWS, Google Cloud or Azure

Watch out

  • 512 MB storage
  • Shared resources
  • Pauses if unused for 30 days

How to start on MongoDB Atlas

  1. 1

    Sign up at mongodb.com/atlas

  2. 2

    Create a Free cluster and pick a cloud and region

  3. 3

    Add a database user and allow your IP

  4. 4

    Copy the connection string

  5. 5

    Connect with your driver or Compass

MongoDB Atlas compared

MongoDB Atlas: questions

Is MongoDB Atlas free?

One free 512 MB cluster per project, with shared CPU/RAM, up to 500 connections and daily backups. Free plan ends: Never.

Does MongoDB Atlas need a credit card?

No, you can sign up for MongoDB Atlas's free plan without a card.

What is the catch with MongoDB Atlas's free plan?

512 MB fills quickly, and there is a 100 ops/sec cap.

What are the best free alternatives to MongoDB Atlas?

Cloudflare D1, Firebase (Spark plan), Turso. Compare their limits on this page or open each one for details.

Alternatives to MongoDB Atlas

  • Cloudflare D1

    Serverless SQLite

    100

    SQLite databases that run alongside Cloudflare Workers on the free Workers plan.

    Databases
    10
    Storage
    5 GB total
    Row reads
    5M / day

    The catch: Only 100,000 row writes per day, which resets daily.

    No cardNo end date
    Paid from $5/mo (Workers Paid)
  • Firebase (Spark plan)

    BaaS + hosting

    100

    Google's app backend: static hosting, auth and Firestore on the free Spark plan.

    Hosting
    10 GB storage, 360 MB/day transfer
    Firestore
    1 GiB, 50K reads / 20K writes per day
    Realtime DB
    1 GB, 100 connections

    The catch: Cloud Functions, App Hosting and (for new projects) Cloud Storage need the pay-as-you-go Blaze plan.

    No cardNo end date
    Paid from Usage-based
  • Turso

    Edge SQLite

    92

    Hosted SQLite (libSQL) with many small databases and edge replicas.

    Databases
    100
    Storage
    5 GB
    Row reads
    500M / month

    The catch: Only one day of point-in-time restore on the free plan.

    No cardNo end date
    Paid from $4.99/mo (Developer)
  • Upstash

    Serverless Redis

    92

    Serverless Redis you call over HTTP, priced per request.

    Data size
    250 MB
    Commands
    500K / month
    Bandwidth
    10 GB / month

    The catch: 500K commands a month runs out fast if you poll or cache every request.

    No cardNo end date
    Paid from $10/mo (Fixed 250 MB (or pay as you go $0.20 per 100K commands))
  • Neon

    Serverless Postgres

    87

    Serverless Postgres with branching that scales to zero when unused.

    Compute
    100 CU-hours / project / month, up to 2 CU (8 GB RAM)
    Storage
    1 GB per project, 20 GB total
    Projects
    100

    The catch: Only 1 GB of storage per project.

    No cardNo end dateSleeps when idle
    Paid from Usage-based
  • Supabase

    Postgres BaaS

    87

    Open-source backend built on Postgres, with auth, storage and edge functions.

    Projects
    2 active
    Database
    500 MB per project
    File storage
    1 GB

    The catch: Free projects pause after a week without activity.

    No cardNo end dateSleeps when idle
    Paid from $25/mo (Pro)

Tools for your new site