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

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

Key Differences

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

Feature

Apache Pulsar

Messaging

Redis

Database

Side-by-side comparison of developer tools
Distributed pub-sub messaging platform
In-memory data structure store
GitHub Stars
⭐ 15,219
⭐ 74,123
Contributors
👥 782
👥 909
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Java
C
Features
  • Event Streaming
  • Messaging
  • Pubsub
  • Pulsar
  • Queuing
  • Cache
  • Caching
  • Database
  • Distributed Systems
  • In Memory
Integrations
No integrations listed
  • • redis
Momentum Score
66/100 (stable)
89/100 (stable)
Community Health
43/100 (developing)
81/100 (good)
Maturity Index
54/100 (emerging)
82/100 (established)
Innovation Score
52/100 (evolving)
91/100 (pioneering)
Risk Score (higher is safer)
62/100 (low)
68/100 (low)
Developer Experience
54/100 (needs-improvement)
68/100 (fair)
Links

Apache Pulsar Strengths

Redis Strengths

  • ✓ More popular (74,123 stars)
  • ✓ Larger community (909 contributors)

When to Use Apache Pulsar vs Redis

Use Apache Pulsar 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.

Data source: GitHub API

Last updated: 5/4/2026