Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · NoSQL Databases

Amazon DynamoDB vs Azure Cosmos DB for NoSQL

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Amazon DynamoDB #1 in NoSQL Databases 9.3/10 Free plan Free plan✓ 0 of 2 features Try Amazon DynamoDB
Azure Cosmos DB for NoSQL #4 in NoSQL Databases 9.1/10 Free plan · 30-day trial Free planFree trial✓ 0 of 2 features Visit Azure

Amazon DynamoDB leads on 0 checks, Azure Cosmos DB for NoSQL 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 scoreAmazon DynamoDB · 9.3/10
  • Free planboth
  • Free trialonly Azure Cosmos DB for NoSQL

Amazon DynamoDB scores higher on our rubric for nosql databases: 9.3 against 9.1 out of 10; our editors rank them #1 and #4.

Amazon DynamoDB is the better fit for AWS teams building scalable key-value applications. Azure Cosmos DB for NoSQL is the better fit for azure teams needing globally distributed JSON storage.

  • Amazon DynamoDB fits best

    AWS teams building scalable key-value applications

  • Azure Cosmos DB for NoSQL fits best

    Azure teams needing globally distributed JSON storage

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 Amazon DynamoDB 9.3/10 Visit ↗ Azure Cosmos DB for NoSQL 9.1/10 Visit ↗
At a glance
Editor score 9.3 9.1
Ranking #1 in NoSQL Databases #4 in NoSQL Databases
Best for AWS teams building scalable key-value applications Azure teams needing globally distributed JSON storage
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — 30 days
Deployment Cloud Cloud
Platforms Web, Windows, macOS, Linux, iOS, Android Web
Support Docs Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Amazon DynamoDB 0/2 · Azure Cosmos DB for NoSQL 0/2
Horizontal scaling Not checked yet Not checked yet
Replication Not checked yet Not checked yet
Specs
Data model Not checked yet Not checked yet
Deployment options Not checked yet Not checked yet
Max storage Not checked yet Not checked yet
Query interface Not checked yet Not checked yet
Our review
Pros
  • Choose on-demand or provisioned read and write capacity.
  • ACID transactions, TTL expiration and multi-Region global tables.
  • Streams, PartiQL and vector search indexes support varied workloads.
  • Automatic indexing and SQL-like queries for schema-free JSON documents
  • ACID transactions within a logical partition, plus integrated vector search
  • Provisioned, autoscale, and serverless throughput options
Cons
  • Cloud deployment ties the database to AWS.
  • Usage-based paid pricing varies by Region, capacity mode and optional features.
  • Support channels listed are documentation.
  • Global distribution and throughput choices can make configuration complex
  • Free tier is limited to one account per Azure subscription
  • NoSQL items are limited to 2 MB
Our verdict

Amazon DynamoDB is a fully managed, serverless NoSQL database for applications that need low-latency access at scale. It stores items in tables organized by primary keys, with on-demand and provisioned capacity options. Its feature set…

Read the review →

Azure Cosmos DB for NoSQL is a fully managed cloud document database for developers building applications around flexible JSON data. It suits Azure teams that need global distribution, low-latency access, or elastic capacity for SaaS,…

Read the review →
  1. Amazon DynamoDBNoSQL Databases 9.3Free plan
  2. Azure Cosmos DB for NoSQLNoSQL Databases 9.1Free plan · 30-day trial

Strengths and trade-offs

  • Amazon DynamoDB — where it wins

    • Choose on-demand or provisioned read and write capacity.
    • ACID transactions, TTL expiration and multi-Region global tables.
    • Streams, PartiQL and vector search indexes support varied workloads.

    Where it doesn't

    • Cloud deployment ties the database to AWS.
    • Usage-based paid pricing varies by Region, capacity mode and optional features.
    • Support channels listed are documentation.

  • Azure Cosmos DB for NoSQL — where it wins

    • Automatic indexing and SQL-like queries for schema-free JSON documents
    • ACID transactions within a logical partition, plus integrated vector search
    • Provisioned, autoscale, and serverless throughput options

    Where it doesn't

    • Global distribution and throughput choices can make configuration complex
    • Free tier is limited to one account per Azure subscription
    • NoSQL items are limited to 2 MB
  • Amazon DynamoDB9.3/10 · Free plan

    A managed AWS database with flexible capacity, transactions and multi-Region tables.

    Try Amazon DynamoDBFull verdict →
  • Azure Cosmos DB for NoSQL9.1/10 · Free plan · 30-day trial

    A managed Azure document database for JSON workloads that need global distribution and flexible capacity.

    Visit AzureFull verdict →

More comparisons

All NoSQL databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update