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MongoDB Review

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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. - mongodb.com

· 1 month ago

Buy MongoDB if you have developers and document-shaped, fast-changing, high-write data. Skip it if your data is relational and join-heavy (reviewers push Postgres) or you just need a simple store with no engineers.

Confidence

Medium. Based on 25+ public sources: G2, Gartner, Capterra, Trustpilot, Reddit threads, vendor pricing/docs, and 2025–26 security advisories.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Atlas Free tier

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Dedicated clustersUsage-based
EnterpriseCustom

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

Gotchas - check before you buy

high

MongoBleed (CVE-2025-14847): exposed or misconfigured instances were targeted; patch fast and audit exposure.

medium

Atlas cluster costs climb with scale; practitioners report hidden fees and spend sprawl.

medium

Proprietary extensions create lock-in; migrating to SQL later is painful.

medium

Support responsiveness is a recurring complaint on Trustpilot.

Pros and cons

Pros

  • More flexibility than alternatives, per Capterra reviewers
  • Powerful document database, per Gartner Peer Insights
  • Fits high-write, non-relational workloads, per Reddit
  • Free Atlas tier to start
  • Easy to pick up, per fan threads

Cons

  • Support panned on Trustpilot — 'big company with 0 support'
  • Reddit consensus: Postgres better for most apps
  • Users find it challenging, per G2 pros/cons
  • Discouraged for 'most average projects' on Reddit
  • Critical 2025 memory-leak CVE reportedly exploited in the wild

Sources & method

- 11 sources - Active threat surface: critical 2025 memory-disclosure CVE reportedly exploited in the wild, plus a 2023 customer-data incident; patches released.

official x1review x5security x3news x2
  • MongoBleed (CVE-2025-14847), Memory-disclosure vulnerability disclosed December 2025; Wiz reports exploitation in the wild.
  • CVE-2026-13078, Severity-6.3 vulnerability listed on MongoDB's official alerts page.
  • December 2023 security incident, Incident exposed data about customer accounts; MongoDB investigated.

Key stats

  • Value for money: 2/5

    Rating

  • $0

    Starting price

  • 11

    Sources

  • Analyzed

  • Value for money: 2/5. Cluster costs and hidden fees bite at scale
  • Ease of use: 4/5. Users say it's easy to start
  • Feature depth: 4/5. Powerful, flexible document store per reviewers
  • Support quality: 2/5. Trustpilot cites 'big company with 0 support'
  • Security posture: 2/5. Critical 2025 CVE exploited in the wild
  • 897 G2 reviews across MongoDB product listings
  • Yes Free tier Atlas free tier included
  • 180,557 companies Adoption ~6.88% DBMS market share
  • 2007 Founded closed a $150M round in 2013

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”
Reddit, r/mongodb

Alternatives

Compare MongoDB with each alternative.

  • PostgreSQL

    Default relational pick; Redditors say it beats Mongo for most apps.

    MongoDB vs PostgreSQL

  • FerretDB

    Truly open-source, MongoDB-compatible alternative without vendor lock-in.

  • Google Firestore

    Managed document DB; Reddit suggests it on GCP.

Companies that use it

  • Capital One
  • Morgan Stanley
  • Adobe
Full analysis

Based on 25+ public sources: G2, Gartner, Capterra, Trustpilot, Reddit threads, vendor pricing/docs, and 2025–26 security advisories.

Solid for developer-led document apps; overkill for simple relational needs — reviewers push Postgres and gripe about support.

Methodology

Based on 25+ public sources: G2, Gartner, Capterra, Trustpilot, Reddit threads, vendor pricing/docs, and 2025–26 security advisories.

Read how a report is made.

Sources

  1. MongoDB Reviews | G2g2.com
    review
  2. MongoDB Reviews | Trustpilottrustpilot.com
    review
  3. MongoDB Reviews | Gartner Peer Insightsgartner.com
    review
  4. MongoDB Reviews | Capterracapterra.com
    review
  5. Is Choosing mongodb a bad decision? | Reddit r/nodereddit.com
    review
  6. MongoDB Pricing | MongoDBmongodb.com
    official
  7. MongoBleed: Critical MongoDB Vulnerability CVE-2025-14847 | Wizwiz.io
    security
  8. Threat Brief: MongoDB Vulnerability (CVE-2025-14847) | Unit 42unit42.paloaltonetworks.com
    security
  9. Alerts | MongoDBmongodb.com
    security
  10. MongoDB investigating security incident | TechCrunchtechcrunch.com
    news
  11. MongoDB commands 6.88% market share | Enlyftenlyft.com
    news

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