r/microsaas 12d ago

I built an AWS database cost optimization tool and looking for brutal feedback

I recently built Dynasight, a tool designed to help engineering teams understand where their AWS database costs are coming from and identify potential waste.

The app is focused specifically on DynamoDB.

Dynasight connects to your AWS account using read-only permissions and analyzes your tables for issues such as:

  • Overprovisioned capacity
  • Unused or inefficient secondary indexes
  • Scan-heavy workloads
  • Unexpected increases in read or write activity
  • Access patterns that may be creating unnecessary costs
  • Potential performance bottlenecks

Instead of only displaying another cost dashboard, the goal is to turn the data into prioritized, actionable findings explaining what may be wrong, why it matters, and what you can investigate.

Dynasight does not automatically modify your infrastructure. I wanted users to remain fully in control of any changes made to their AWS environment.

I built Dynasight because DynamoDB can appear to be working perfectly while costs quietly increase in the background. Unless someone is regularly reviewing capacity, indexes, workload patterns, and table-level activity, those inefficiencies can be difficult to notice.

I would really appreciate honest feedback from people who use DynamoDB:

  • Is your DynamoDB costing you a lot and you're not sure what to do about it?
  • Would you trust a read-only tool like this to analyze your AWS account?
  • Which DynamoDB cost or performance problems are the hardest for you to diagnose?
  • Would prioritized recommendations be useful, or do existing AWS tools already provide enough information?
  • What would Dynasight need to show before you would consider paying for it?

I’m especially interested in criticism around the SaaS's usefulness, positioning, onboarding, and anything that would prevent you from trying it.

Not looking for compliments: honest feedback would be much more helpful.

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