MongoDB vs Redis: Key Differences & When to Use Each

Comprehensive side-by-side comparison of features, pricing, and metrics

Key Differences

Compare MongoDB and Redis across features, pricing, integrations, and community metrics. MongoDB / Redis.

Feature

MongoDB

Database

Redis

Database

Side-by-side comparison of developer tools
NoSQL document database
In-memory data structure store
GitHub Stars
⭐ 28,474
⭐ 75,730
Contributors
👥 1,476
👥 939
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
C++
C
Features
  • • C Plus Plus
  • • Database
  • • Mongodb
  • • Nosql
  • • Cache
  • • Caching
  • • Database
  • • Distributed Systems
  • • In Memory
Integrations
  • • mongodb
  • • redis
Momentum Score
70/100 (stable)
91/100 (slowing)
Community Health
81/100 (good)
81/100 (good)
Maturity Index
71/100 (established)
85/100 (mature)
Innovation Score
58/100 (progressive)
91/100 (pioneering)
Risk Score (higher is safer)
75/100 (minimal)
68/100 (low)
Developer Experience
53/100 (needs-improvement)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

MongoDB Strengths

  • ✓ Larger community (1,476 contributors)

Redis Strengths

  • ✓ More popular (75,730 stars)
  • ✓ More features (5 listed)

When to Use MongoDB vs Redis

Use MongoDB when its strengths align better with your stack and team needs, and choose Redis when its ecosystem, integrations, or cost profile is a better fit.

Related comparisons

MongoDB vs Elasticsearch → Redis vs Elasticsearch → MongoDB vs ClickHouse → Redis vs ClickHouse → MongoDB vs TiDB → Redis vs TiDB → MongoDB vs CockroachDB → Redis vs CockroachDB → MongoDB vs InfluxDB → Redis vs InfluxDB → MongoDB vs TimescaleDB → Redis vs TimescaleDB →

More Comparisons

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Data source: GitHub API

Last updated: 7/28/2026