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CloudFix is the automatic, always-running way to optimize AWS cost and performance.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
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| Company | 2021 | — |
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In their own words, as submitted to SaaSHub.


CloudFix scans your AWS accounts, identifies cost savings opportunities, and automatically implements fixes around the clock. Unlike tools that just show you where to save, CloudFix does the work — applying AWS-recommended, non-disruptive fixes across EC2, EBS, S3, RDS, Lambda, and more. Fixes...
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What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
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Overall verdict
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Walkthroughs and reviews on video.
CloudFix - Overview
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CloudFix and Diffyn.
CloudFix's answer
CloudFix's answer
Most AWS cost optimization tools show you where to save, CloudFix actually does the saving. It automatically implements AWS-recommended fixes across your accounts, 24/7, without requiring manual intervention. Every fix follows AWS best practices, is non-disruptive, and goes through AWS SSM so you stay in control. Savings compound over time rather than being a one-off result.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
CloudFix's answer
CloudFix is the only platform that combines continuous automated fix execution with full approval control via AWS Change Manager. Tools like ProsperOps, Cloudability, and CloudZero identify savings opportunities but CloudFix implements them. It covers 50+ AWS advisories per week across compute, storage, networking, and database services, and delivers 15–60% savings per AWS service.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
CloudFix's answer
Engineering and FinOps teams at mid-to-large enterprises running significant AWS workloads typically $80K+ in monthly AWS spend. CloudFix suits companies using multiple AWS services who want ongoing cost optimization without dedicating engineering resources to manually track and implement AWS advisories.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
CloudFix's answer
CloudFix was built by the team behind one of AWS's largest customers, managing 120+ SaaS products across thousands of AWS accounts. Keeping costs optimized at that scale without breaking anything was a constant challenge. They built CloudFix internally to automate it, proved it cut costs by 10–20%, and turned it into a product.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
CloudFix's answer
CloudFix is built natively on AWS. It uses AWS CloudFormation for deployment, AWS Cost and Usage Reports (CUR) and CloudWatch Metrics for analysis, and AWS Systems Manager to orchestrate and control fix execution. IAM roles handle secure, read-only cross-account access with no long-term credentials.
Diffyn's answer:
React, Next.js, POSTGRESQL
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External articles and on-site reviews we used to compare the two products.


CloudFix is the leader in AWS cost optimization. Unlike other tools that simply identify potential savings, CloudFix goes the extra mile to actually implement those savings on your behalf. CloudFix focuses on savings...
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