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Head-to-head · Key-Value Databases

Aerospike Database vs FoundationDB

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Aerospike Database #2 in Key-Value Databases 9.1/10 Free plan Free plan✓ 3 of 3 features Visit Aerospike
FoundationDB #4 in Key-Value Databases 8.9/10 Open source ✓ 2 of 3 features Visit FoundationDB

Aerospike Database leads on 0 checks, FoundationDB on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAerospike Database · 9.1/10
  • Free planonly Aerospike Database
  • Most featuresAerospike Database · 3 of 3

Aerospike Database scores higher on our rubric for key-value databases: 9.1 against 8.9 out of 10; our editors rank them #2 and #4.

On deployment model, Aerospike Database gives you Hybrid where FoundationDB offers Self_hosted.

Aerospike Database is the better fit for high-scale hybrid deployments with strong consistency. FoundationDB is the better fit for developers needing strict transactional key-value storage.

  • Aerospike Database fits best

    High-scale hybrid deployments with strong consistency

  • FoundationDB fits best

    Developers needing strict transactional key-value storage

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Side by side

Feature Aerospike Database 9.1/10 Visit ↗ FoundationDB 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #2 in Key-Value Databases #4 in Key-Value Databases
Best for High-scale hybrid deployments with strong consistency Developers needing strict transactional key-value storage
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted, Cloud
Support Tickets, Community, Docs · 24/7 Community, Docs
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Aerospike Database 3/3 · FoundationDB 2/3
TTL support ✓ (best) Not checked yet
Clustering support ✓ ✓
Multi-region support ✓ ✓
Specs
Deployment model Hybrid Self_hosted
Maximum value size 8 MB Not checked yet
Persistence modes Both Both
Supported protocols Aerospike wire protocol, Aerospike client API, TCP C API, Go API, Python API, Ruby API, Java API, Node.js API
Our review
Pros
  • Strong consistency with distributed transactions
  • Hybrid storage modes from in-memory to all-flash
  • Cross-datacenter replication through XDR
  • Strict-serializable multi-key ACID transactions
  • Ordered range reads with lexicographic key selectors
  • Geographic replication, failover, and automatic repartitioning
Cons
  • Community Edition is limited to 8-node clusters
  • Community Edition supports up to 2.5 TB of data
  • Enterprise Edition pricing requires contacting Aerospike
  • Self-hosted deployment requires cluster administration
  • Maximum documented value size is 100 kB
  • Core access centers on a lower-level key-value API
Our verdict

Aerospike Database is a distributed NoSQL database for enterprises building real-time applications with demanding latency, throughput, and scale requirements. It supports key-value, document, and graph data models through a common database…

Read the review →

FoundationDB is an open-source distributed database for applications that need an ordered binary key-value model and strongly consistent transactions. It suits developers building services that require multi-key ACID operations, strict…

Read the review →
  1. Aerospike DatabaseKey-Value Databases 9.1Free plan
  2. FoundationDBKey-Value Databases 8.9Open source

Strengths and trade-offs

  • Aerospike Database — where it wins

    • Strong consistency with distributed transactions
    • Hybrid storage modes from in-memory to all-flash
    • Cross-datacenter replication through XDR

    Where it doesn't

    • Community Edition is limited to 8-node clusters
    • Community Edition supports up to 2.5 TB of data
    • Enterprise Edition pricing requires contacting Aerospike

  • FoundationDB — where it wins

    • Strict-serializable multi-key ACID transactions
    • Ordered range reads with lexicographic key selectors
    • Geographic replication, failover, and automatic repartitioning

    Where it doesn't

    • Self-hosted deployment requires cluster administration
    • Maximum documented value size is 100 kB
    • Core access centers on a lower-level key-value API

More comparisons

All Key-Value databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update