Fauna vs MongoDB Atlas Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Fauna | MongoDB Atlas | |
|---|---|---|
| Starts at | Custom | $0/mo |
| Number of plans | 0 | 4 |
| Free plan | — | |
| Free trial | — | — |
| Pricing model | N/A | usage-based |
Free
Flex
Dedicated
PopularEnterprise Advanced
- MongoDB Enterprise Server
- Ops Manager and Cloud Manager
- Kubernetes Operator
- Enterprise security features
- Business intelligence integration and visualization
- Commercial license
- Self-serve training content
- Consultative support
- Fast initial response goals
- Rich onboarding and regular check-ins
Fauna vs MongoDB Atlas FAQ
- Which one is cheaper?
- One or both use custom pricing, so it depends on your specific needs.
- Can I use either one for free?
- MongoDB Atlas has a free plan. Fauna doesn't — you'll need to pay from day one.
- How do they charge?
- Check each product's pricing page for the latest details on how billing works.
- Which one is a better deal?
- Depends on what you need. MongoDB Atlas: MongoDB sits mid-to-premium in the database-as-a-service space — pricier than raw self-hosted Postgres or DynamoDB's pay-per-request model, but justified by the managed ops layer and document-model flexibility. They're clearly hunting teams who've outgrown free-tier NoSQL options and need something that won't fall over at scale.
Still deciding? See the best Fauna alternatives or the best MongoDB Atlas alternatives, ranked with verified pricing.
Keep tabs on both.
We'll monitor pricing changes for Fauna and MongoDB Atlas and let you know when something moves. See how competitor pricing monitoring works.