Amazon DocumentDB vs Azure Cosmos DB vs Amazon Relational Database Service (RDS) Comparison
Amazon DocumentDB
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Small Business
Introducing Amazon DocumentDB, the ultimate solution for managing your document database with ease. This cutting-edge software provides a fully managed and scalable approach to handling your data efficiently. With Geospa…
Azure Cosmos DB
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Small Business
Introducing Azure Cosmos DB, the ultimate solution for meeting the dynamic needs of your applications. This advanced serverless database is designed to deliver top-tier performance for applications of all sizes and scale…
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Amazon Relational Database Service (RDS)
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Small Business
Introducing Amazon Relational Database Service (RDS), a robust software solution that simplifies the management, operation, and scalability of databases in the cloud. Tailored for various database engines, Amazon RDS com…
Azure Cosmos DB leads on user satisfaction with a 4.1-star rating across 50 reviews.
Amazon DocumentDB vs Azure Cosmos DB vs Amazon Relational Database Service (RDS) — at a glance
| Feature | Amazon DocumentDB | Azure Cosmos DB | Amazon Relational Database Service (RDS) |
|---|---|---|---|
| Rating | 3.9 / 5 | 4.1 / 5 | 4.4 / 5 |
| Reviews | 14 | 50 | 240 |
| Starting price | Contact for pricing | Contact for pricing | Contact for pricing |
| Free trial | Yes | Yes | Yes |
| Free version | No | No | No |
| Best for | Large Enterprises, Small Business, Medium Business | Large Enterprises, Small Business, Medium Business | Large Enterprises, Small Business, Medium Business |
| Category | Database as a Service (DBaaS) Provider | Database as a Service (DBaaS) Provider | Database as a Service (DBaaS) Provider |
| Platforms | Browser Based (Cloud) | Browser Based (Cloud) | Browser Based (Cloud) |
| API | — | Available | — |
| Support modes | Online | Online | Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | — | SOC 2, HIPAA, GDPR, ISO 27001 |
| Data residency | Global | — | Global |
Key differences between Amazon DocumentDB and Azure Cosmos DB
- User satisfaction: Azure Cosmos DB scores higher with a 4.1-star average.
- Deployment: Amazon DocumentDB supports Browser Based (Cloud); Azure Cosmos DB supports Browser Based (Cloud).
Compare Amazon DocumentDB vs Azure Cosmos DB vs Amazon Relational Database Service (RDS) — and walk away knowing which one fits.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Database as a Service (DBaaS) Provider tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
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Biggest differences
Start here before you go deeper into features.
Best for scalable, secure document databases with native geospatial query support.
- You need a fully managed, scalable document database integrated with AWS.
- Your applications require advanced geospatial data storage and querying capabilities.
- Your team consists of database administrators or data engineers in medium to large enterprises.
- You are a startup or small team seeking a low-cost, simple document store.
- You require extensive on-premises database control or transparent, fixed pricing.
Large Enterprises, Small Business, Medium Business
Amazon Relational Database Service (RDS)
Best for scalable, managed cloud databases integrated with AWS services.
- You need a managed database service with automated backups and scaling.
- Your applications require support for multiple database engines in the cloud.
- You want seamless integration within the AWS ecosystem for enterprise workloads.
- You require on-premises or hybrid database deployments outside AWS cloud.
- Your team lacks AWS expertise or needs granular control over infrastructure.
Amazon DocumentDB typically suits Large Enterprises and Small Business. Azure Cosmos DB tends to fit Large Enterprises and Small Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Introducing Amazon DocumentDB, the ultimate solution for managing your document database with ease. This cutting-edge software provides a fully managed and scalable approach to handling ... Read More about Amazon DocumentDB | Introducing Azure Cosmos DB, the ultimate solution for meeting the dynamic needs of your applications. This advanced serverless database is designed to deliver top-tier performance for ... Read More about Azure Cosmos DB | Introducing Amazon Relational Database Service (RDS), a robust software solution that simplifies the management, operation, and scalability of databases in the cloud. Tailored for various ... Read More about Amazon Relational Database Service (RDS) |
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User RatingsBased on verified Spotsaas reviews | |||
Best Company Size | Medium BusinessLarge Enterprises | — | 51-500 employees500+ employees |
Get pricing help | Get pricing help | Get pricing help |
Software Demo
Demo |
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Compare Amazon DocumentDB, Azure Cosmos DB and Amazon Relational Database Service (RDS) on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Get help choosing | Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — | ✓ Yes |
|---|---|---|---|
HIPAA | ✓ Yes | — | ✓ Yes |
GDPR | ✓ Yes | — | ✓ Yes |
ISO 27001 | ✓ Yes | — | ✓ Yes |
Single Sign-On (SSO) | ✓ Yes | — | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | — | ✓ Yes |
Data Encryption | ✓ Yes | — | ✓ Yes |
Audit Logs | ✓ Yes | — | ✓ Yes |
Data Residency | 🌐 Global | — | 🌐 Global |
Amazon DocumentDB vs Azure Cosmos DB User Reviews & Rating Comparison
User Ratings | 3.9 (based on 14 reviews) | 4.1 (based on 50 reviews) | 4.4 (based on 240 reviews) |
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Rating Distribution | |||
List of Customers
Customers |  Amazon  eHealth  BBC |  Mercedes Benz  MARS  Chipotle |  Oracle  Cathay Pacific  Amazon Aurora |
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Media and Screenshots
Videos |  2 Videos |  2 Videos |  3 Videos |
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Alternatives
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Amazon DocumentDB or Azure Cosmos DB?
- Azure Cosmos DB edges out the other on user ratings (4.1 vs 3.9). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Amazon DocumentDB and Azure Cosmos DB offer a free trial?
- Yes, both Amazon DocumentDB and Azure Cosmos DB offer a free trial.
- What is the starting price of Amazon DocumentDB vs Azure Cosmos DB?
- Amazon DocumentDB starts at Contact for pricing. Azure Cosmos DB starts at Contact for pricing.
- What are the top alternatives to Amazon DocumentDB?
- Top alternatives to Amazon DocumentDB include Amazon Athena, Azure Cosmos DB, Xata, Amazon Relational Database Service (RDS), DataStax Astra.
- What are the top alternatives to Azure Cosmos DB?
- Top alternatives to Azure Cosmos DB include Amazon DocumentDB, Amazon Athena, Xata, Amazon Relational Database Service (RDS), DataStax Astra.