Mongodb Atlas vs FaunaDB: Which Should You Choose in 2026?
Choosing between Mongodb Atlas and FaunaDB comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Mongodb Atlas
Managed MongoDB in the cloud
Best for you if:
- • You want the higher-rated option (8.6/10 vs 8.2/10)
- • You need managed databases features specifically
- • Managed MongoDB in the cloud
- • Document database for modern apps
FaunaDB
Serverless document database with GraphQL
Best for you if:
- • You need api tools features specifically
- • FaunaDB is a serverless document database with native GraphQL support
- • It provides globally distributed data with ACID transactions and no capacity planning
| At a Glance |  Mongodb Atlas |  FaunaDB |
|---|---|---|
Price | Paid | Paid |
Best For | Managed Databases | API Tools |
Rating | 86/100 | 82/100 |
| Feature | Mongodb Atlas | FaunaDB |
|---|---|---|
| Pricing Model | Paid | Paid |
| Editorial Score | 86 | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Managed DatabasesServerless Databases | API ToolsGraphQL Tools |
How Mongodb Atlas and FaunaDB Compare
Mongodb Atlas
Managed MongoDB in the cloud
Paid · 86/100 score
FaunaDB
Serverless document database with GraphQL
Paid · 82/100 score
Mongodb Atlas is a managed databases tool. FaunaDB is in api tools.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: Mongodb Atlas
Want the highest-rated option?
Mongodb Atlas: 86/100. FaunaDB: 82/100.
Go with: Mongodb Atlas
Value user reviews?
Neither has user reviews yet.
Go with: Mongodb Atlas
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
Mongodb Atlas is a managed databases tool. FaunaDB is in api tools. Pick the category that matches your needs.
How important are ratings?
Mongodb Atlas scores higher: 86/100 vs 82/100.
Key Takeaways
Mongodb Atlas
- Higher score: 86/100 vs 82
- Our pick for this comparison
FaunaDB
- Better fit for api tools
The Bottom Line
Mongodb Atlas (86/100) is our pick.
Frequently Asked Questions
Is Mongodb Atlas or FaunaDB better?
Mongodb Atlas scores 86/100 in our evaluation. Both are paid.
What are Mongodb Atlas and FaunaDB used for?
Mongodb Atlas: Managed MongoDB in the cloud. FaunaDB: Serverless document database with GraphQL.
What does Mongodb Atlas cost vs FaunaDB?
Mongodb Atlas is a paid tool. FaunaDB is a paid tool. Visit their websites for detailed pricing.