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Head-to-head · In-Memory Databases

Aerospike Database vs Tarantool DB

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Aerospike Database #4 in In-Memory Databases 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Aerospike
Tarantool DB #6 in In-Memory Databases 8.6/10 Pricing on request ✓ 0 of 4 features Visit Tarantool

Aerospike Database leads on 0 checks, Tarantool DB on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAerospike Database · 8.8/10
  • Free planonly Aerospike Database

Aerospike Database scores higher on our rubric for in-memory databases: 8.8 against 8.6 out of 10; our editors rank them #4 and #6.

Aerospike Database is the better fit for high-scale distributed key-value workloads. Tarantool DB is the better fit for open-source self-hosted key-value and document systems.

  • Aerospike Database fits best

    High-scale distributed key-value workloads

  • Tarantool DB fits best

    Open-source self-hosted key-value and document systems

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Aerospike Database 8.8/10 Visit ↗ Tarantool DB 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #4 in In-Memory Databases #6 in In-Memory Databases
Best for High-scale distributed key-value workloads Open-source self-hosted key-value and document systems
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted, Cloud
Support Tickets, Community, Docs · 24/7 Email, Community, Docs · 24/7
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Aerospike Database 0/4 · Tarantool DB 0/4
Data persistence Not checked yet Not checked yet
High availability Not checked yet Not checked yet
SQL support Not checked yet Not checked yet
Vector search Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Included memory Not checked yet Not checked yet
Supported data models Not checked yet Not checked yet
Our review
Pros
  • Strong consistency, distributed transactions, and automatic failover
  • Supports in-memory, hybrid memory/flash, all-flash, and block storage
  • Cross-datacenter replication through XDR and synchronous cluster replication
  • Supports key-value, table, and document data models
  • Combines persistence, replication, sharding, and ACID transactions
  • Exports metrics to Prometheus and Grafana
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 places infrastructure management with the team
  • In-memory storage can require careful resource planning
  • Redis compatibility covers Redis data types and 60+ commands
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 →

Tarantool DB is an open-source, self-hosted in-memory NoSQL database for organizations building high-load, real-time services and core-system caches. It supports key-value, table, and document data models, along with CRUD operations,…

Read the review →
  1. Aerospike DatabaseIn-Memory Databases 8.8Free plan
  2. Tarantool DBIn-Memory Databases 8.6Pricing on request

Strengths and trade-offs

  • Aerospike Database — where it wins

    • Strong consistency, distributed transactions, and automatic failover
    • Supports in-memory, hybrid memory/flash, all-flash, and block storage
    • Cross-datacenter replication through XDR and synchronous cluster replication

    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

  • Tarantool DB — where it wins

    • Supports key-value, table, and document data models
    • Combines persistence, replication, sharding, and ACID transactions
    • Exports metrics to Prometheus and Grafana

    Where it doesn't

    • Self-hosted deployment places infrastructure management with the team
    • In-memory storage can require careful resource planning
    • Redis compatibility covers Redis data types and 60+ commands
  • Aerospike Database8.8/10 · Free plan

    A distributed database for demanding real-time workloads, with broad storage and replication options.

    Visit AerospikeFull verdict →
  • Tarantool DB8.6/10 · Pricing on request

    A self-hosted choice for teams needing clustered, persistent in-memory data services.

    Visit TarantoolFull verdict →

More comparisons

All In-Memory databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update