Amazon DynamoDB

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Serverless NoSQL database with single-digit millisecond latency

Data & Databases Cloud & Infrastructure Serverless Managed Databases

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4.4(549 across the web)

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Reviews onG2Capterra

549 reviews tracked·1 press mention

The Bottom Line

Entry price

Paid plans only

Biggest pro

Fully managed NoSQL

Biggest con

Pricing complex

TL;DR - Amazon DynamoDB

Amazon DynamoDB is a serverless NoSQL database designed for applications requiring single-digit millisecond latency
It scales automatically to handle any workload with built-in security and backup capabilities
Free tier with 25GB storage, then pay per read/write capacity or on-demand

Pricing: Paid only

Best for: Enterprises & pros

4.4/5 across review platforms

What is Amazon DynamoDB?

Editorial review

DynamoDB is AWS's serverless NoSQL database that scales automatically from zero to millions of requests per second. You don't manage servers, patches, or capacity planning. Single-digit millisecond latency at any scale makes it ideal for applications where speed matters. Global tables replicate data across regions. Pricing scales with actual usage. Companies building on AWS choose DynamoDB when they need a database that won't become a bottleneck as they grow. It handles scale that would overwhelm traditional databases.

Available on: Web

LCLouis CorneloupUpdated Jul 20, 2026 · how we evaluateSourceaws.amazon.com ↗

Pros & Cons

Pros

Fully managed NoSQL
Single-digit millisecond latency
Scales automatically
Serverless option
Global tables

Cons

Pricing complex
Query limitations
No joins or complex queries
Vendor lock-in
Learning curve for data modeling

Ratings Across the Web

4.4(549 reviews)

Amazon DynamoDB holds an aggregate rating of 4.4 out of 5 from 549 reviews across G2 and Capterra, last checked August 25, 2026.

Ratings aggregated from independent review platforms. Learn more

Key Features

NoSQL databaseServerlessSingle-digit latencyAuto-scalingGlobal tablesAWS

Pricing Plans

Free Trial

Pricing checked Aug 21, 2026

Free Tier

null

Usage-based pricing

25 GB storage
25 WCUs
25 RCUs
200M requests/month

On-Demand

$1.25/per 1M writes

Pay-per-request

$0.25/1M reads
Auto-scaling
No capacity planning
Serverless

Provisioned

$0.001/per WCU/hour

Predictable workloads

$0.00013/RCU/hour
Reserved capacity
Up to 75% savings

Calculate your cost View full pricing

Is Amazon DynamoDB worth the price?

85/100

DynamoDB's pricing is generally fair, especially with the generous Free Tier and the upcoming 50% price reduction in Jan 2025.

The On-Demand tier at $1.25 per 1M writes and $0.25 per 1M reads offers excellent flexibility for unpredictable workloads. Provisioned capacity at $0.00065 per WCU/hour provides significant savings for stable, high-throughput applications.

Hidden Costs & Gotchas

Data transfer out charges

Backup and restore costs

Global tables replication fees

DAX (DynamoDB Accelerator) costs

How Amazon DynamoDB Compares to Competitors

Compared to MongoDB Atlas, DynamoDB's On-Demand model offers more granular pay-per-request pricing, while MongoDB often bundles compute and storage. Cassandra-as-a-Service providers typically have higher minimums, making DynamoDB's Free Tier and On-Demand more accessible for smaller projects and variable workloads.

How Amazon DynamoDB's pricing compares

At $0/mo, Amazon DynamoDB is the most affordable of its 2 direct competitors.

Amazon DynamoDB

Azure Cosmos DB

$0.01

Mongodb Atlas

$0.1

Entry paid plan, monthly. Pricing checked Aug 21, 2026.

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4.4/5

Across 549 verified user reviews on G2, Capterra

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Best Amazon DynamoDB Alternatives

Top alternatives based on features, pricing, and user needs.

Mongodb AtlasPaid

Managed cloud document database, no ops required

4.6

Azure Cosmos DBPaid

Globally distributed multi-model database on Azure

4.2

CouchbasePaid

Distributed NoSQL cloud database

4.3

FaunaDBPaid

Serverless document database with GraphQL

4.4

CassandraFree

Distributed NoSQL database for massive scale

5.0

See all data & databases tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Amazon DynamoDB vs Mongodb AtlasHead-to-head: features, pricing, who wins Amazon DynamoDB vs Azure Cosmos DBHead-to-head: features, pricing, who wins Amazon DynamoDB vs CouchbaseHead-to-head: features, pricing, who wins

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Amazon DynamoDB FAQ

How does Amazon DynamoDB ensure high performance for applications?

DynamoDB is designed to provide single-digit millisecond latency at any scale. This performance is maintained automatically, making it suitable for applications where speed is a critical factor.

Which teams would benefit most from using Amazon DynamoDB?

Teams building applications on AWS that require a database capable of scaling from zero to millions of requests per second without becoming a bottleneck would benefit most. It is particularly well-suited for applications needing automatic scaling and high availability.

How is Amazon DynamoDB priced?

DynamoDB is a paid product with pricing that scales with actual usage. There is no permanently free tier available for this service.

What kind of data modeling challenges might users encounter with DynamoDB?

Users might encounter a learning curve for data modeling due to its NoSQL nature and query limitations. It does not support complex queries or joins, which requires careful planning of data access patterns.

Can DynamoDB replicate data across different geographical regions?

Yes, DynamoDB supports global tables, which allow data to be replicated automatically across multiple AWS regions. This feature enhances data availability and reduces latency for globally distributed applications.

How does Amazon DynamoDB compare to Azure Cosmos DB?

Amazon DynamoDB is AWS's serverless NoSQL database that scales automatically and offers single-digit millisecond latency. Azure Cosmos DB is a direct competitor offering similar serverless NoSQL capabilities, but within the Azure ecosystem.

When is DynamoDB a suitable choice for a new application?

DynamoDB is a suitable choice when an application requires a fully managed NoSQL database that can handle extreme scale without manual server management or capacity planning. Its serverless architecture makes it ideal for applications with unpredictable traffic.

Source: aws.amazon.com

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