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AWS Amplify DataStore

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What AWS Amplify DataStore is

AWS Amplify DataStore provides an on-device repository for application data that can be read, written, and observed online or offline. It can keep data local, including in local-only use without an AWS account, or synchronize it to the cloud and across devices. GraphQL data models are converted into models for JavaScript, iOS, and Android applications. Through its API, developers can save, query, update, delete, and observe models; observe and observeQuery provide live updates. With cloud synchronization enabled, the Amplify CLI can deploy an AWS AppSync backend using DynamoDB tables for each model and a Delta Sync table. SQLite and IndexedDB storage adapters are available, along with Auto Merge, Optimistic Concurrency, and custom Lambda conflict resolution. The former DataStore page now redirects to Amplify Data, and AWS says DataStore will receive no new features and provides migration guidance. It is paid from $0.01, with no free plan. Listed platforms include Android, iOS, and web.

Who it suits

It suits developers building applications that need local data access with optional cloud synchronization and live updates. Teams considering it should account for AWS’s stated end of new feature development and migration guidance.

What it does well

  • Supports offline use, including local-only mode without an AWS account.
  • Synchronizes data bidirectionally across devices.
  • Offers three conflict resolution approaches.
  • Includes SQLite and IndexedDB storage adapters.
  • Provides observe and observeQuery live-update APIs.

What to know first

  • No free plan is listed.
  • AWS says DataStore will receive no new features.
  • AWS provides migration guidance to replace it.

Limits

The service has no free plan. Listed service allowances include 1,000 build minutes per month and 15 GB of bandwidth per month.

Getting started

  1. Open the AWS Amplify DataStore website
  2. Define GraphQL data models for the application
  3. Use the DataStore API to save, query, update, delete, or observe models
  4. Run locally with SQLite or IndexedDB storage adapters
  5. Enable cloud synchronization and deploy AppSync and DynamoDB resources with the Amplify CLI
  6. Configure authorization and conflict-resolution strategies

Verdict

DataStore combines local storage, synchronization, and live data observation for application models. Its lifecycle status is an important consideration for new projects.

Questions

What platforms and SDK languages are supported?

Platforms include web, iOS, Android, React Native, and Flutter. SDK languages listed are JavaScript, Swift, Java, and Dart.

Can DataStore work without an AWS account?

Yes. DataStore can run in local-only mode for offline use without an AWS account.

How much does it cost?

AWS Amplify DataStore is a paid service starting from $0.01. There is no free plan.

What happens when cloud synchronization is enabled?

The Amplify CLI can deploy an AWS AppSync backend with DynamoDB tables for each model and a Delta Sync table.

How are conflicts handled?

DataStore supports Auto Merge, Optimistic Concurrency, and custom Lambda conflict-resolution strategies.

Is DataStore still receiving new features?

AWS documentation says DataStore will no longer receive new features and provides migration guidance.

Facts from AWS Amplify DataStore's own pages

Authorization
The current Amplify Data page says authorization rules can provide fine-grained access to authenticated users, owners, and groups, with permissions at model or field level. · aws.amazon.com, 8 Oct 2026
AWS founding
AWS says it launched in spring 2006. · aws.amazon.com, 8 Oct 2026
Cloud backend
When cloud synchronization is enabled, the Amplify CLI can deploy an AWS AppSync backend with DynamoDB tables for each model and an additional Delta Sync table. · docs.amplify.aws, 8 Oct 2026
Company history
Amazon Web Services says it launched in 2006. · aws.amazon.com, 8 Oct 2026
Conflict handling
DataStore includes Delta Sync and conflict resolution strategies for synchronized data. · docs.amplify.aws, 8 Oct 2026
Conflict resolution
DataStore supports Auto Merge, Optimistic Concurrency, and custom Lambda conflict resolution strategies. · docs.amplify.aws, 8 Oct 2026
Current product page
The former DataStore URL redirects to AWS Amplify Data, described as a way to create secure, real-time APIs backed by a database. · aws.amazon.com, 8 Oct 2026
Data model
DataStore uses GraphQL data models that are converted to models for JavaScript, iOS, or Android applications. · docs.amplify.aws, 8 Oct 2026
Data operations
Generated models can be saved, queried, updated, deleted, or observed through the DataStore API. · docs.amplify.aws, 8 Oct 2026
DataStore purpose
Amplify DataStore provides persistent on-device storage for reading, writing, and observing data online or offline, with synchronization to the cloud and across devices. · docs.amplify.aws, 8 Oct 2026
Integrations
DataStore cloud synchronization uses AWS AppSync and Amazon DynamoDB, and projects can also use services such as Amazon Cognito or AWS Lambda when added. · docs.amplify.aws, 8 Oct 2026
Lifecycle
AWS documentation says DataStore will no longer receive new features and provides migration guidance. · docs.amplify.aws, 8 Oct 2026
Live updates
DataStore provides observe and observeQuery APIs for real-time updates to application data. · docs.amplify.aws, 8 Oct 2026
Local-only use
DataStore can be used for offline use cases in local-only mode without an AWS account. · docs.amplify.aws, 8 Oct 2026
Migration status
AWS's migration guide describes DataStore in the past tense and guides developers to replace it with Apollo Client and Amplify subscriptions. · docs.amplify.aws, 8 Oct 2026
Offline support
DataStore supports offline use and, when configured for cloud sync, automatically synchronizes local data with the backend. · docs.amplify.aws, 8 Oct 2026
Platforms
AWS documentation describes models for JavaScript, iOS, and Android applications. · docs.amplify.aws, 8 Oct 2026
Pricing context
AWS Amplify pricing says backend resources have no monthly minimum and are charged based on use; it lists AppSync and DynamoDB as backend resource examples. · aws.amazon.com, 8 Oct 2026
Purpose
Amplify DataStore provides an on-device repository for reading, writing, and observing data online or offline, with optional synchronization to the cloud and across devices. · docs.amplify.aws, 8 Oct 2026
Real-time APIs
The current Amplify Data page says real-time use cases are enabled by default and frontend clients can subscribe to updates. · aws.amazon.com, 8 Oct 2026
Storage adapters
Amplify ships with SQLite and IndexedDB storage adapter implementations. · docs.amplify.aws, 8 Oct 2026

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