AWS Database Migration Service vs Striim: Which is Better in 2026?
AWS Database Migration Service and Striim are both Change Data Capture (CDC) tools, made for different people. AWS Database Migration Service is for teams moving databases into AWS, or keeping a source and target in sync during a migration, inside their own AWS account. Striim is for enterprise data teams that want CDC and SQL stream processing in one product, managed or self-managed, with compliance paperwork.
Quick verdict
There’s no single winner; pick on your constraint. Choose AWS Database Migration Service if your target, your source or both already live on AWS. Choose Striim if you want to filter, join or reshape changes before they land.
AWS Database Migration Service vs Striim: Side by Side
| AWS Database Migration Service | Striim | |
|---|---|---|
| Category | Change Data Capture (CDC) | Change Data Capture (CDC) |
| What it is | Managed database migration and replication (AWS) | Real-time CDC and stream processing |
| Source databases | Major commercial and open-source databases | Operational databases plus 200+ connectors |
| Where it runs | Your AWS account | Striim Cloud or your own servers |
| How you pay | Hourly per instance or per DCU | Usage-based cloud; per-connector licences self-managed |
| Free access | AWS Free Tier credits for new accounts | Free Developer tier, 25M events a month |
| Pricing | Usage-based | Free · paid plans by quote |
| Starting price | Pay-as-you-go | Free tier available |
| Free tier | — | |
| Rating | 4.1 | 4.3 |
| Best for | Change Data Capture (CDC): database migration, AWS, cut-over sync | Change Data Capture (CDC): streaming SQL, enterprise CDC, compliance |
Ratings are App Stack Builder’s editorial score out of 5, not an average of user reviews.
Pros & Cons
- Pay-as-you-go with no licence
- Heterogeneous migrations plus free schema conversion
- Serverless option scales itself
- Lives inside your AWS account
- Tied to AWS as source or target
- Tuning large ongoing replications takes work
- Hourly rates live in a calculator, not on the page
- Free tier with a real event allowance
- SQL transforms while data is in flight
- Managed cloud or self-managed
- Compliance certifications on Cloud
- Paid plans are quote-only
- Self-managed connectors priced one by one
- Enterprise-shaped sales process
Key Features Compared
AWS Database Migration Service
- Homogeneous and heterogeneous migrations from Oracle, SQL Server, PostgreSQL, MySQL, MongoDB, MariaDB and others
- Billed hourly per replication instance (Single-AZ or Multi-AZ), or by DCU-hour on DMS Serverless
- Burstable instances include 50 GB of storage; compute and memory-optimized ones include 100 GB
- Schema Conversion is free apart from the S3 storage it uses
- New accounts since July 15 2025 get up to $200 in AWS Free Tier credits instead of free DMS hours
Striim
- Striim Developer: free up to 25 million events a month, with trial access to premium and preview connectors
- Striim Cloud: dedicated, usage-based, SOC 2 Type II, HIPAA and PCI DSS, customer-managed keys; price by quote
- Striim Platform: self-managed on-premise or cloud VM, unlimited volume, connectors licensed one by one
- Streaming SQL to transform data in flight
- Validata checks that source and target data match
Choose AWS Database Migration Service if…
- Your target, your source or both already live on AWS.
- You are converting between engines, for example Oracle to PostgreSQL.
- You want pay-by-the-hour with nothing to install.
Choose Striim if…
- You want to start free. Striim has a free tier and AWS Database Migration Service does not.
- You want to filter, join or reshape changes before they land.
- Your compliance team needs HIPAA or PCI DSS on the pipeline.
- You want a free tier with a real event allowance to prove the pipeline first.
Frequently Asked Questions
Is AWS Database Migration Service better than Striim?⌄
There’s no single winner; pick on your constraint. Choose AWS Database Migration Service if your target, your source or both already live on AWS. Choose Striim if you want to filter, join or reshape changes before they land.
What is the difference between AWS Database Migration Service and Striim?⌄
What it is. AWS Database Migration Service: Managed database migration and replication (AWS). Striim: Real-time CDC and stream processing. Source databases. AWS Database Migration Service: Major commercial and open-source databases. Striim: Operational databases plus 200+ connectors. Where it runs. AWS Database Migration Service: Your AWS account. Striim: Striim Cloud or your own servers. How you pay. AWS Database Migration Service: Hourly per instance or per DCU. Striim: Usage-based cloud; per-connector licences self-managed. Free access. AWS Database Migration Service: AWS Free Tier credits for new accounts. Striim: Free Developer tier, 25M events a month.
AWS Database Migration Service vs Striim: which is cheaper?⌄
AWS Database Migration Service pricing: Usage-based. Striim pricing: Free · paid plans by quote. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, AWS Database Migration Service or Striim?⌄
On our editorial score, AWS Database Migration Service is 4.1 out of 5 and Striim is 4.3 out of 5, so Striim is slightly ahead. This is our own score, not an average of user reviews.
When should I skip both AWS Database Migration Service and Striim?⌄
Skip AWS Database Migration Service if you need long-running CDC into a warehouse outside AWS. Estuary Flow or Debezium fit that better. Skip Striim if you want published per-GB pricing. Estuary Flow lists it.
Sources · tool facts checked November 2026
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