Google Cloud Migration Center vs AWS Mainframe Modernization

Google Cloud Migration Center8.9Visit AWS Mainframe Modernization8.0Visit

Higher score Google Cloud Migration Center #4 in Cloud Migration Tools 8.9/10 Free plan Free plan✓ 2 of 4 features Visit Google Cloud

vs

AWS Mainframe Modernization #13 in Cloud Migration Tools 8.0/10 Paid ✓ 4 of 4 features Visit AWS Mainframe

• Google Cloud Migration Center fits best

  Free Google Cloud migration assessment

• AWS Mainframe Modernization fits best

  Mainframe modernization and migration

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Side by side

Feature	Google Cloud Migration Center 8.9/10 Visit ↗	AWS Mainframe Modernization 8.0/10 Visit ↗
At a glance
Editor score	8.9	8.0
Ranking	#4 in Cloud Migration Tools	#13 in Cloud Migration Tools
Best for	Free Google Cloud migration assessment	Mainframe modernization and migration
Pricing model	Free	Paid
Starting price	Free plan	$0.31/unit usage-based
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, Windows, Linux	Web
Support	Docs	Docs
Built for	Mid-market, Enterprise	Enterprise
Features Google Cloud Migration Center 2/4 · AWS Mainframe Modernization 4/4
Discovery & assessment	✓	✓
Dependency mapping	✓	✓
Continuous replication	—	✓ (best)
Database migration	—	✓ (best)
Specs
Deployment model	Both	Both
Included workload limit	Not checked yet	Not checked yet
Our review
Pros	Free access to infrastructure discovery and migration planning features Continuous data collection, dependency mapping, and technical-fit assessment Cost estimation, TCO reporting, and database assessment in one platform	Covers assessment, refactoring, replatforming, and deployment Supports COBOL and PL/I modernization with dependency analysis Integrates with AWS services for data migration and operations
Cons	Does not provide continuous replication Does not provide database migration Workloads and related Google Cloud services may incur separate charges	No free plan; pricing is usage-based across multiple components Some legacy experience options are closed to new customers Broad component pricing can be complex to estimate
Our verdict	Google Cloud Migration Center is designed for organizations moving workloads from on-premises environments or other cloud providers to Google Cloud. It brings infrastructure discovery, configuration and performance data collection, cloud… Read the review →	AWS Mainframe Modernization is a cloud service for migrating and modernizing mainframe applications and data on AWS. It is designed for enterprise workloads, including COBOL and PL/I applications, and supports migration teams, consultants,… Read the review →

Strengths and trade-offs

• Google Cloud Migration Center — where it wins

  • Free access to infrastructure discovery and migration planning features
  • Continuous data collection, dependency mapping, and technical-fit assessment
  • Cost estimation, TCO reporting, and database assessment in one platform

  Where it doesn't

  • Does not provide continuous replication
  • Does not provide database migration
  • Workloads and related Google Cloud services may incur separate charges

• AWS Mainframe Modernization — where it wins

  • Covers assessment, refactoring, replatforming, and deployment
  • Supports COBOL and PL/I modernization with dependency analysis
  • Integrates with AWS services for data migration and operations

  Where it doesn't

  • No free plan; pricing is usage-based across multiple components
  • Some legacy experience options are closed to new customers
  • Broad component pricing can be complex to estimate

• Google Cloud Migration Center8.9/10 · Free plan

  A free planning platform with discovery, dependency mapping, cost analysis, and technical-fit assessment.

  Visit Google CloudFull verdict →
• AWS Mainframe Modernization8.0/10 · Paid

  A specialized AWS service for modernizing mainframe applications, code, and data.

  Visit AWS MainframeFull verdict →