Apache Kafka vs Redis: Key Differences & When to Use Each

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

Key Differences

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

Feature

Apache Kafka

Messaging

Redis

Database

Side-by-side comparison of developer tools
Distributed streaming platform
In-memory data structure store
GitHub Stars
⭐ 33,324
⭐ 75,730
Contributors
👥 1,718
👥 939
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Java
C
Features
  • • Java
  • • Kafka
  • • Scala
  • • Streaming
  • • Cache
  • • Caching
  • • Database
  • • Distributed Systems
  • • In Memory
Integrations
  • • kafka
  • • redis
Momentum Score
91/100 (slowing)
91/100 (slowing)
Community Health
85/100 (excellent)
81/100 (good)
Maturity Index
81/100 (established)
85/100 (mature)
Innovation Score
69/100 (progressive)
91/100 (pioneering)
Risk Score (higher is safer)
82/100 (minimal)
68/100 (low)
Developer Experience
53/100 (needs-improvement)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

Apache Kafka Strengths

  • ✓ Larger community (1,718 contributors)

Redis Strengths

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

When to Use Apache Kafka vs Redis

Use Apache Kafka 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

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More Comparisons

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Data source: GitHub API

Last updated: 7/28/2026