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CoreStack Reviews

Vendor: CoreStack
4.3 out of 5
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What is CoreStack?

CoreStack® Enterprise Enables You to be agile and eliminate waste while proactively mitigating risks by making your cloud governance intelligent and autonomous. It applies Cloud-as-Code™ approach to govern the four critical components of your cloud

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CoreStack is the #19 ranked solution in top Cloud Cost Management solutions. PeerSpot users give CoreStack an average rating of 8.6 out of 10. CoreStack is most commonly compared to Spot by Flexera: CoreStack vs Spot by Flexera.
Buyer's Guide
CoreStack
March 2026
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CoreStack mindshare

As of March 2026, the mindshare of CoreStack in the Cloud Cost Management category stands at 1.2%, up from 0.9% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Cloud Cost Management Mindshare Distribution
ProductMindshare (%)
CoreStack1.2%
Cloudability6.7%
IBM Turbonomic6.3%
Other85.8%
Cloud Cost Management

PeerResearch reports based on CoreStack reviews

TypeTitleDate
CategoryCloud Cost ManagementMar 24, 2026Download
ProductReviews, tips, and advice from real usersMar 24, 2026Download
ComparisonCoreStack vs IBM TurbonomicMar 24, 2026Download
ComparisonCoreStack vs Nutanix Cloud Manager (NCM)Mar 24, 2026Download
ComparisonCoreStack vs CloudabilityMar 24, 2026Download
Suggested products
TitleRatingMindshareRecommending
Spot by Flexera4.34.4%100%5 interviewsAdd to research
VMWare Tanzu CloudHealth4.24.2%90%10 interviewsAdd to research
 
 
Key learnings from peers
Last updated Mar 22, 2026

Valuable Features

CoreStack offers significant value through well-architected actions across multiple clouds. Users appreciate a single interface for multi-cloud cost management, saving time and enhancing efficiency. Enhanced visibility into unused resources and automated remediation are key highlights. CoreStack improves compliance, reduces risks, and optimizes costs. Accurate recommendations on AWS services like RDS and EC2 drive financial savings. Centralized compliance and performance reports enhance operational excellence and customer satisfaction.
  • "Within the first six months, we achieved a 25% reduction in misconfiguration-related findings, a 15% improvement in cloud cost efficiency, and centralized compliance reporting for audits."
  • "Currently, I think CoreStack is the best FinOps tool available in the market, which is why we are using it."
  • "My advice for others looking into using CoreStack is that anyone who is looking to optimize their workload cost for public cloud services should start using CoreStack because of the reports and granularity it produces to optimize cost, which will benefit them."

Room for Improvement

CoreStack requires enhancements in segregating reserved instances for cost allocation, improving security tools, and automating operational tasks. Stability and UI responsiveness need attention, as well as native integration with SOAR platforms and customization of executive dashboards. Reporting accuracy for cost optimization and visibility in multi-tenancy are also areas of concern. More integrated features and user-specific permissions could benefit users managing multi-account environments.
  • "I faced a problem with my XDR console integration. The integration is not native, and I encountered significant challenges."
  • "I noticed that some of the cost optimization reports generated potential savings while considering systems that have only maximum utilization of 1% or 2%. The recommendations made in CoreStack to delete a machine have the potential to generate major cost savings, but such machines should not be listed for deletion if they have maximum CPU utilization of 1%."
  • "I give it an eight because, as I mentioned, a few things from the billing operations need to be added, and we need more security features, particularly since the market is increasingly demanding better security tools for cloud management platforms, including cloud security posture assessments."

ROI

CoreStack delivered measurable ROI by saving significant hours on reporting, reducing costs through optimized resource visibility. Customers saved approximately $8,000 monthly by decreasing reporting time and achieved over 40% cost savings by identifying idle resources. Positive feedback indicated better cost management and retention through enhanced cost visibility. Automated reports and integration with existing reports enhanced efficiency, further reducing manual effort and unnecessary expenditure, highlighting CoreStack's value in delivering cost reductions and improved customer satisfaction.

Popular Use Cases

CoreStack is predominantly used for FinOps and BillOps, optimizing costs and handling billing operations. Users integrate CoreStack with AWS, Azure, and GCP accounts for efficient cloud cost governance. CoreStack provides insights into cost savings, governance policies, and compliance posture, helping organizations reduce cloud spend. Users utilize dashboards for spend tracking and optimization insights. CoreStack's automation capabilities identify misconfigurations, enhancing compliance and reducing manual efforts in multicloud environments.

Service and Support

CoreStack provides excellent customer service and support, with dedicated account managers and responsive assistance. Organizations have found that the team is accessible, offering technical demos and information to enhance strategies. Time savings is significant due to efficient reporting, resulting in cost reductions. Customer interactions are rated highly, with many appreciating the quality of support, leading to improved experiences and operational efficiencies.

Scalability

CoreStack effectively handles scalability for users utilizing a multi-account, multi-cloud environment. Its SaaS platform accommodates growth seamlessly, with users not experiencing issues even over several years. Enterprises benefit from support across various management groups, regions, and centralized orchestration. The service efficiently generates and captures workload metrics to match user requirements.

Stability

CoreStack demonstrates stability. Users experience consistent performance, even with numerous subscription accounts. The security posture management assists in maintaining compliance and security standards. Reporting functionality is intuitive, simplifying compliance audits. Performance aligns with CIS and NIST best practices. CoreStack ensures a reliable experience in diverse environments.
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our CoreStack Buyer's Guide for additional reliable information.

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Product Categories

Product Categories
Cloud Cost Management

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CoreStack Reviews Summary
Author infoRatingReview Summary
Associate Vice President at Hitachi Systems India Private Limited4.5I've used CoreStack for nearly four years to optimize AWS workloads, finding its cost-saving recommendations useful, though reporting on low-utilization instances needs improvement. Overall, it's effective and provides valuable insights for FinOps cost optimization.
Senior Vice President at a tech services company with 10,001+ employees4.0I've used CoreStack mainly for FinOps and BillOps, benefiting from its multi-cloud cost optimization and reporting capabilities, which save time and money, though I’d like improvements in billing segregation and enhanced cloud security features.
Consulting Systems Engineer at Boomslang Tech4.5I use CoreStack primarily for cloud governance and FinOps, valuing its automated remediation and cost optimization. It significantly improved compliance and efficiency, though I desire better UI and SOAR integrations. I rate it a strong nine out of ten.
Senior Solution Architect at Hitachi Systems India Private Ltd4.0I've used CoreStack mainly for cloud cost governance and FinOps, helping reduce client spend by 20%. Its visibility into unused resources and cost-saving recommendations has increased customer satisfaction and improved our cloud operations across hyperscalers.