PostgreSQL vs MongoDB Comparison
PostgreSQL
Starting at Contact for pricing
- Large Enterprises
- Small Business
PostgreSQL is an open-source relational database system with over 30 years of active development. It supports SQL and JSON querying, ACID compliance, replication, and extensibility via custom data types, operators, and f…
MongoDB
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
MongoDB is the next-generation database that helps businesses transform their industries through the magic of software and data. Through MongoDB Atlas, fully-managed cloud service, organizations in the business of softwa…
MongoDB leads on user satisfaction with a 4.7-star rating across 164 reviews.
PostgreSQL vs MongoDB — at a glance
| Feature | PostgreSQL | MongoDB |
|---|---|---|
| Rating | 4.4 / 5 | 4.7 / 5 |
| Reviews | 465 | 164 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Small Business, Medium Business | Large Enterprises, Medium Business, Small Business |
| Category | Database Management Software | Database Management Software |
| Platforms | Browser Based (Cloud) | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | — | Available |
| Support modes | Online | 24/7 (Live rep), Online |
| Certifications | — | SOC 2, HIPAA, GDPR, ISO 27001 |
| Data residency | Global | Global |
Key differences between PostgreSQL and MongoDB
- Free trial: MongoDB offers a free trial; PostgreSQL does not.
- User satisfaction: MongoDB scores higher with a 4.7-star average.
- Deployment: PostgreSQL supports Browser Based (Cloud); MongoDB supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
PostgreSQL vs MongoDB — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Database Management Software 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 |
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Biggest differences
Start here before you go deeper into features.
Large Enterprises, Small Business, Medium Business
Best for scalable, flexible cloud database solutions with easy deployment.
- You need a fully-managed cloud database to focus on app development.
- Your team values flexible schema with document-oriented data modeling.
- You require strong security features with automated backups and monitoring.
- Your organization has a very limited budget and cost at scale is a concern.
- You need deep customization or full administrative control over database operations.
PostgreSQL typically suits Large Enterprises and Small Business. MongoDB tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | PostgreSQL is an open-source relational database system with over 30 years of active development. It supports SQL and JSON querying, ACID compliance, replication, and extensibility via ... Read More about PostgreSQL | MongoDB is the next-generation database that helps businesses transform their industries through the magic of software and data. Through MongoDB Atlas, fully-managed cloud service, ... Read More about MongoDB |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.3/10 | 9.6/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 50 to 5,000 employees | 50 to 5000 employeesMedium Business |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- Reliable Performance: PostgreSQL handles large volumes of data efficiently. Its advanced indexing and query optimization features improve performance, making it a dependable choice for demanding applications.
- Open Source Flexibility: As an open-source platform, PostgreSQL provides the freedom to customize and extend functionality without the constraints of licensing fees. This can lead to cost savings and greater innovation within your team.
- Advanced Data Types: PostgreSQL supports a rich set of data types, including JSONB, hstore, and geometric types, allowing you to model complex data structures. This versatility lets your organization adapt to changing data requirements.
- Scalability: With MongoDB, we can easily scale our databases horizontally, allowing us to accommodate growing data volumes and user loads without a hitch. This means our systems can grow as our business demands increase.
- Flexibility: MongoDB's document-oriented structure lets you store data in a more natural way that adapts to changes quickly. This flexibility helps teams iterate faster on application development without being bogged down by rigid schemas.
- Real-time Analytics: We can use MongoDB's powerful querying capabilities to gain real-time insights into our data. This functionality lets us make informed decisions on the fly, driving better business outcomes.
Best fit
- 50 to 5,000 employees
- Fintech, SaaS, E-commerce, Healthcare, and Education
- Database Administrators, Data Analysts, Software Developers, System Architects, and IT Managers
- 50 to 5,000 employees
- Fintech, SaaS, Martech, E-commerce, Gaming, and Healthcare
- Software Engineers, Data Scientists, Database Administrators, and Application Developers
Reasons buyers look elsewhere
- Users may seek alternatives to PostgreSQL for simpler use cases where lightweight databases like SQLite can provide faster performance and easier deployment without the overhead of a full relational database management system.
- Organizations requiring high scalability might explore NoSQL solutions like MongoDB or Cassandra, which offer flexible data models and can handle large volumes of unstructured data more efficiently than PostgreSQL.
- In environments heavily integrated with cloud services, users might prefer managed databases like Amazon RDS or Google Cloud SQL for their ease of use, automatic scaling, and reduced maintenance responsibilities compared to self-hosted PostgreSQL.
- Users may seek alternatives to MongoDB due to concerns about scalability, particularly in high-transaction environments where performance might degrade, prompting the need for more robust solutions like Cassandra or DynamoDB.
- The complexity of managing and configuring MongoDB can lead users to explore simpler, more user-friendly databases that require less maintenance, such as Firebase or Couchbase, especially for smaller projects.
- Organizations focused on strict ACID compliance might look for alternatives like PostgreSQL or MySQL, which provide stronger transactional guarantees compared to MongoDB's eventual consistency model.
Software Demo
Demo |  PostgreSQL has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do PostgreSQL and MongoDB Compare on Features?
Total Features | 7 Features | 11 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare PostgreSQL and MongoDB 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.
Pricing Option | ||
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Pricing Page | Pricing information not available |  |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
|---|---|---|
HIPAA | — | ✓ Yes |
GDPR | — | ✓ Yes |
ISO 27001 | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | ✓ Yes | ✓ Yes |
Data Residency | 🌐 Global | 🌐 Global |
PostgreSQL User Reviews & Rating Comparison
User Ratings | ||
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is positive across 612 reviews, with strong overall satisfaction. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlights ease of use, scalability, and integration, tempered by concerns over cost and admin limitations. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers | No Customers information available. |  Forbes  Verizon  Toyota |
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Media and Screenshots
Videos | No videos available. |  3 Videos |
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Top Alternatives to PostgreSQL and MongoDB in 2026
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, PostgreSQL or MongoDB?
- MongoDB edges out the other on user ratings (4.7 vs 4.4). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do PostgreSQL and MongoDB offer a free trial?
- MongoDB offers a free trial. PostgreSQL does not.
- What is the starting price of PostgreSQL vs MongoDB?
- PostgreSQL starts at Contact for pricing. MongoDB starts at Contact for pricing.
- What are the top alternatives to PostgreSQL?
- Top alternatives to PostgreSQL include dbForge Edge, TiDB, Raw Query, Amazon Aurora, pgDash.
- What are the top alternatives to MongoDB?
- Top alternatives to MongoDB include Microsoft SQL Server, ScaleGrid, Oracle Database, MySQL, MongoDB Cloud Manager.