MongoDB Atlas Pricing & Free Plan Limits

Complete pricing breakdown for MongoDB Atlas including all plans, hidden costs, and limitations.

Pricing score: 50/100

Is MongoDB Atlas free?

Yes — the Free (M0) plan costs nothing. Paid plans start at $8.00/month (Flex Tier).

Free plan limits

  • Users: N/A
  • Storage: 512MB
  • 512MB limit, no VPC peering, no dedicated support, shared cluster performance

Watch out: No backups, limited connections, shared resources affect performance

Plans & Pricing

Free (M0)
$0.00/free

User limit: N/A

Storage: 512MB

Flex Tier
$8.00/monthly

User limit: N/A

Storage: 5GB

Dedicated M10
Popular
$57.00/monthly

User limit: N/A

Storage: 10GB

Dedicated M30
$390.00/monthly

User limit: N/A

Storage: 40GB

Pricing Issues Reported by Users

Pricing gets expensive and complicated at scale

Users report 'MongoDB pricing is expensive and complicated.' Costs spike with scale as data transfer, backups, and storage add up. The pricing model 'can get complicated fast' with dedicated clusters scaling costs quickly. Budget forecasting becomes difficult as usage grows.

Frequency: 9%Impact: 8/100

Vendor lock-in with Atlas-specific APIs

Atlas locks you into MongoDB's ecosystem with 'features like search, triggers, and mobile sync using Atlas-specific APIs, making it harder to switch later without rewriting parts of your app.' Once invested in Atlas features, migration becomes expensive.

Frequency: 8%Impact: 8/100

Data egress costs rack up quickly

Data transfer costs, 'especially cross-region or internet-bound, can rack up quickly' even though ingress is free. Applications serving data to users or replicating across regions face significant additional costs beyond the base cluster price.

Frequency: 8%Impact: 7/100

Backup costs add up beyond base pricing

Automated cloud backups are enabled by default on paid tiers, with 'backup storage incurring additional costs separate from instance price.' Point-in-time recovery costs extra. Total cost often exceeds the cluster price users initially see.

Frequency: 6%Impact: 6/100