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Azure Managed Redis vs NCache

Azure Managed Redis: Microsoft's managed Redis built on Redis Enterprise, replacing the retiring Azure Cache for Redis. NCache: A native .NET distributed cache and data grid for Windows and Linux, with an Apache-licensed edition.

key differences

  • Licensing: Azure Managed Redis is proprietary (Azure service terms); NCache is open source (permissive) (Apache 2.0 (Open Source edition); Enterprise is commercial).
  • Only Azure Managed Redis has transactions, vector search, geospatial, streaming ingest.

choose azure-cache-for-redis for

  • +Caching and session storage for Azure App Service and AKS apps
  • +Vector search and semantic caching for Azure OpenAI apps
  • +Globally shared leaderboards with active geo-replication

best at · Cache, Sessions, Pub/Sub

choose ncache for

  • +ASP.NET session and output caching
  • +EF Core second-level caching
  • +Shared cache for .NET microservices on Windows or Linux

best at · Cache, Sessions, Pub/Sub

Azure Managed RedisMicrosoft's managed Redis built on Redis Enterprise, replacing the retiring Azure Cache for Redis.
NCacheA native .NET distributed cache and data grid for Windows and Linux, with an Apache-licensed edition.
overview
Primary model
Key-Value
Key-Value
Also supports
Document, Vector, Time-Series, Search Engine
Document
Type
Managed service
Database engine
Status
Active
Active
Developer
Microsoft (with Redis Ltd.)
Alachisoft
First release
2025
2005
Latest version
Redis 7.4 (May 2026)
5.3.8 (Oct 21, 2026)
License
ProprietaryAzure service terms
Open source (permissive)Apache 2.0 (Open Source edition); Enterprise is commercial
Free tier
—
✓
popularity
WhichDB Score
0.4
7.8
Rank
#644
#337
GitHub stars
–
666
Stack Overflow questions
380
70
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
Native
Native
Multi-region
Active active
Active active
ACID
Limited
Limited
Consistency
Eventual
Strong, Eventual
Schema
Schemaless
Schemaless
Architecture
In memory, Distributed, Primary replica
In memory, Distributed, Client server
deployment
Self-hosted
—
✓
Vendor-managed cloud
✓
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
Azure
Azure, AWS
capabilities
Transactions
✓
—
Joins
—
—
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
✓
—
Geospatial
✓
—
JSON
✓
✓
Change data capture
—
—
Triggers
—
—
Stored procedures
✓
✓
Materialized views
—
—
TTL / expiry
✓
✓
Pub/Sub
✓
✓
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
—
—
Encryption at rest
✓
✓
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
✓
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
Redis commands (RESP), Lua, Redis Query Engine (FT.*)
SQL-like query API, LINQ
Client languages
Python, Java, JavaScript, Go, C#, Rust, Ruby, PHP
C#, Java, Python, JavaScript
Best for
Cache, Sessions, Pub/Sub, Queue
Cache, Sessions, Pub/Sub
Add more to this comparisonNot sure either fits? Try smart match

Azure Managed Redis vs NCache: FAQ

What is the difference between Azure Managed Redis and NCache?

Azure Managed Redis: Microsoft's managed Redis built on Redis Enterprise, replacing the retiring Azure Cache for Redis. NCache: A native .NET distributed cache and data grid for Windows and Linux, with an Apache-licensed edition. Licensing: Azure Managed Redis is proprietary (Azure service terms); NCache is open source (permissive) (Apache 2.0 (Open Source edition); Enterprise is commercial). Only Azure Managed Redis has transactions, vector search, geospatial, streaming ingest.

When should I choose Azure Managed Redis over NCache?

Choose Azure Managed Redis for caching and session storage for Azure App Service and AKS apps; vector search and semantic caching for Azure OpenAI apps; and globally shared leaderboards with active geo-replication. Choose NCache for ASP.NET session and output caching; EF Core second-level caching; and shared cache for .NET microservices on Windows or Linux.

Is Azure Managed Redis or NCache more popular?

NCache ranks #337 on the WhichDB Score (7.8/100) and Azure Managed Redis ranks #644 (0.4/100). Popularity is not fit: check the requirements that matter for your project.

Are Azure Managed Redis and NCache open source?

No. Azure Managed Redis is proprietary, closed-source software. License: Azure service terms. Yes. NCache is open source. License: Apache 2.0 (Open Source edition); Enterprise is commercial.