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Should I Use MongoDB?
Get your ideas to market faster with a flexible, AI-ready database. MongoDB makes working with data easy.
Depends
DependsBuy MongoDB if you have developers and document-shaped, fast-changing, high-write data.
Solid for developer-led document apps; overkill for simple relational needs — reviewers push Postgres and gripe about support.
Confidence: Medium
Yes
Free tier
Atlas free tier included
180,557 companies
Adoption
~6.88% DBMS market share
2007
Founded
closed a $150M round in 2013
Value for money
2
Cluster costs and hidden fees bite at scale
Ease of use
4
Users say it's easy to start
Feature depth
4
Powerful, flexible document store per reviewers
Support quality
2
Trustpilot cites 'big company with 0 support'
Security posture
2
Critical 2025 CVE exploited in the wild
Pros
Cons
Gotchas
- highMongoBleed (CVE-2025-14847): exposed or misconfigured instances were targeted; patch fast and audit exposure.
- mediumAtlas cluster costs climb with scale; practitioners report hidden fees and spend sprawl.
- mediumProprietary extensions create lock-in; migrating to SQL later is painful.
- mediumSupport responsiveness is a recurring complaint on Trustpilot.²
Best for
- Document-heavy, fast-changing schemas
- High-write, non-relational workloads
- Developer-led product teams
- AI app data layers
Not for
- Relational, join-heavy data — reviewers say Postgres wins
- Average CRUD apps — Reddit discourages it
- Non-technical teams wanting a simple data list
- Anyone without a developer on staff
Companies that use it
- Capital One
- Morgan Stanley
- Adobe
Pricing
Atlas Free tier
$0
- Free Atlas tier included
- Limits apply
Dedicated clusters
Usage-based
- Dedicated cluster pricing
- Scales with workload
Enterprise
Not disclosed
- Custom pricing
- Enterprise-grade features
Security
Active threat surface: critical 2025 memory-disclosure CVE reportedly exploited in the wild, plus a 2023 customer-data incident; patches released.
- MongoBleed (CVE-2025-14847)Memory-disclosure vulnerability disclosed December 2025; Wiz reports exploitation in the wild.⁷
- CVE-2026-13078Severity-6.3 vulnerability listed on MongoDB's official alerts page.⁹
- December 2023 security incidentIncident exposed data about customer accounts; MongoDB investigated.10
What users say
Users love the flexibility and quick start for document data, but commonly gripe about support, scaling costs, and default to Postgres for relational work.
“I love MongoDB, so easy”
Alternatives
Compare MongoDB with each alternative.
PostgreSQL
Default relational pick; Redditors say it beats Mongo for most apps.
MongoDB vs PostgreSQLFerretDB
Truly open-source, MongoDB-compatible alternative without vendor lock-in.
Google Firestore
Managed document DB; Reddit suggests it on GCP.
MySQL
Simpler relational option; MongoDB itself publishes the comparison.
MongoDB vs MySQLFull analysis
Based on 25+ public sources: G2, Gartner, Capterra, Trustpilot, Reddit threads, vendor pricing/docs, and 2025–26 security advisories.
Sources
- MongoDB Reviews | G2g2.comreview
- MongoDB Reviews | Trustpilottrustpilot.comreview
- MongoDB Reviews | Gartner Peer Insightsgartner.comreview
- MongoDB Reviews | Capterracapterra.comreview
review
- MongoDB Pricing | MongoDBmongodb.comofficial
security
- Threat Brief: MongoDB Vulnerability (CVE-2025-14847) | Unit 42unit42.paloaltonetworks.comsecurity
- Alerts | MongoDBmongodb.comsecurity
- MongoDB investigating security incident | TechCrunchtechcrunch.comnews
news
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