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Amazon DynamoDB vs ScyllaDB: Which is Better in 2026?

Choosing between Amazon DynamoDB and ScyllaDB comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Amazon DynamoDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick ScyllaDB if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Oct 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Amazon DynamoDB

Serverless NoSQL database with single-digit millisecond latency

Best for you if:

  • • You want fully managed NoSQL
  • • You want single-digit millisecond latency

ScyllaDB

High-performance NoSQL database

Best for you if:

  • • You want a free tier before you commit
  • • You want fast Cassandra alternative
  • • You want good performance
At a Glance
Amazon DynamoDBAmazon DynamoDB
ScyllaDBScyllaDB
Starts at
$0.00065/WCU/hourProvisioned
FreeFree tier available
Best For
Data & DatabasesData & Databases
Rating
2.9/53.9/5
Free plan
No Yes

Choose Amazon DynamoDB or ScyllaDB?

Amazon DynamoDB

Choose Amazon DynamoDB if

Serverless NoSQL database with single-digit millisecond latency

  • You want fully managed NoSQL
  • You want single-digit millisecond latency
ScyllaDB

Choose ScyllaDB if

High-performance NoSQL database

  • You want a free tier before you commit
  • You want fast Cassandra alternative
  • You want good performance
FeatureAmazon DynamoDBScyllaDB
Pricing ModelPaidFreemium
User Rating
★2.9/5
951 reviews
★3.9/5
12 reviews
Categories
Data & DatabasesCloud & Infrastructure
Data & DatabasesCloud & Infrastructure

In-Depth Analysis

Amazon DynamoDBAmazon DynamoDB

Serverless NoSQL database with single-digit millisecond latency

Starts at $0.00065/WCU/hour
Good value

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

Strengths

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

Weaknesses

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

Key features

NoSQL databaseServerlessSingle-digit latencyAuto-scalingGlobal tablesAWS

ScyllaDBScyllaDB

High-performance NoSQL database

Starts at Free
Good value

ScyllaDB's pricing is quite fair and generous, especially with a robust open-source option.

Strengths

  • +Fast Cassandra alternative
  • +Good performance
  • +C++ based
  • +Active development
  • +Good documentation

Weaknesses

  • -Learning curve
  • -Cassandra compatibility
  • -Enterprise features paid
  • -Operational complexity
  • -Smaller community

Key features

NoSQL databaseCassandra compatibleHigh performanceLow latencyShard-per-coreOpen source

Pricing: Amazon DynamoDB vs ScyllaDB

PlanAmazon DynamoDBScyllaDB
Tier 1
Free Tier
Free
Open Source
Tier 2
$1.25 /1M writes
On-Demand
Usage-based
Cloud Professional
Tier 3
$0.00065 /WCU/hour
Provisioned
Custom
Cloud Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Amazon DynamoDB pricing and ScyllaDB pricing.

Who Should Use What?

On a budget?

ScyllaDB has a free tier. Amazon DynamoDB is paid only.

Go with: ScyllaDB

Want the highest-rated option?

Amazon DynamoDB: 2.9/5 (951 reviews). ScyllaDB: 3.9/5 (12 reviews).

Go with: ScyllaDB

Value user reviews?

Amazon DynamoDB: 951 reviews (2.9/5). ScyllaDB: 12 reviews (3.9/5).

Go with: Amazon DynamoDB

3 Questions to Help You Decide

1

What's your budget?

Amazon DynamoDB is paid. ScyllaDB is freemium. ScyllaDB lets you start free.

2

What's your use case?

Both are data & databases tools. Compare their specific features to decide.

3

How important are ratings?

ScyllaDB is rated higher: 3.9/5 vs 2.9/5.

Key Takeaways

Amazon DynamoDB

  • Larger review base (951 reviews)
  • Our pick for this comparison

ScyllaDB

  • Has a free tier
  • Higher user rating: 3.9/5 vs 2.9/5

The Bottom Line

Amazon DynamoDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. ScyllaDB has a free tier if you want to test without paying.

Frequently Asked Questions

Is Amazon DynamoDB or ScyllaDB better?

Amazon DynamoDB is rated in our evaluation. Amazon DynamoDB is paid and ScyllaDB is freemium.

What are Amazon DynamoDB and ScyllaDB used for?

Amazon DynamoDB: Serverless NoSQL database with single-digit millisecond latency. ScyllaDB: High-performance NoSQL database.

What does Amazon DynamoDB cost vs ScyllaDB?

Amazon DynamoDB is a paid tool. ScyllaDB is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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