MongoDB Atlas Pricing 2026 — Cluster Costs & Storage Fees

MongoDB Atlas Pricing Tiers (May 2026)

Cluster Type	Cost	Storage	Connections	Use Case
Free Tier (M0)	$0	512 MB	~100	Learning, testing
Shared M2	$57/month	2 GB	~500	Small apps
Shared M5	$95/month	10 GB	~3,000	Medium apps
Dedicated M10	$57/month	10 GB	~5,000	Production apps
Dedicated M20+	$150-500/month	Scalable	Scalable	High-traffic apps

Shared clusters: Monthly billing. Dedicated clusters: Hourly billing ($0.076/hour for M10 = ~$57/month running 24/7).

Shared M2: Extra GB/month $0.32

Shared M5: Extra GB/month $0.25

Dedicated M10-M30: Extra GB/month $0.10

Backup storage: Per GB/month $0.20

Dedicated clusters are billed hourly, so cost depends on uptime. Examples below assume 24/7 running (~730 hours/month):

Hourly rate (US) $0.076/hour

Monthly (730 hours) ~$57/month

Storage included 10 GB

Hourly rate (US) $0.26/hour

Monthly (730 hours) ~$190/month

Storage included 40 GB

Shared Tier M2 $57/month

Storage: 1.5 GB (included in M2) $0

Backup storage: 500 MB $0.10

Total ~$57/month

Dedicated M20 cluster $190/month

Storage: 35 GB (included in M20) $0

Backup storage: 40 GB $8.00

Total ~$198/month

vs Firebase Firestore: MongoDB is document database; Firestore is real-time database. MongoDB better for complex queries, Firestore better for mobile/real-time apps.
vs Supabase (PostgreSQL): MongoDB is NoSQL; Supabase is SQL. Different query patterns. MongoDB good for flexible schemas, Supabase good for relational data.
vs DynamoDB: MongoDB is self-hosted or managed; DynamoDB is AWS-only. MongoDB more flexible, DynamoDB deeply integrated with AWS ecosystem.

Upgrade to Shared M2 ($57/month) when:

MongoDB Atlas pricing can change. Get instant alerts if MongoDB updates cluster costs, storage overages, or tier structure.

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