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
⭐ 28,356
⭐ 74,816
Contributors
👥 1,451
👥 924
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
60/100Momentum606060
(stable)
88/100Momentum888888
(slowing)
Community Health
81/100Health818181
(good)
81/100Health818181
(good)
Maturity Index
71/100Maturity717171
(established)
82/100Maturity828282
(established)
Innovation Score
59/100Innovation595959
(progressive)
91/100Innovation919191
(pioneering)
Risk Score (higher is safer)
76/100Risk767676
(minimal)
69/100Risk696969
(low)
Developer Experience
54/100DX545454
(needs-improvement)
68/100DX686868
(fair)
Links
MongoDB Strengths
- ✓ Larger community (1,451 contributors)
Redis Strengths
- ✓ More popular (74,816 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.
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Data source: GitHub API
Last updated: 6/12/2026