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LocalStack Cloud Emulator

LocalStack

Reviews from AWS customer

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2 reviews
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    Harshal Jethwa

Local testing has cut our cloud costs and provides a safe sandbox for app validation

  • April 24, 2026
  • Review provided by PeerSpot

What is our primary use case?

My main use case for LocalStack is to run AWS services locally on our machines, such as running on our laptop or on our server, and for a sandbox for testing our cloud apps.

A quick, specific example of how I use LocalStack for testing my cloud apps is that we use LocalStack for a sandbox or staging environment for AWS resources. We test it on LocalStack, and if everything works well, then we deploy it to AWS.

What is most valuable?

The best features LocalStack offers include the ability to test everything locally at no cost for AWS, a faster development and instant feedback cycle, offline deployment without needing internet, and it's excellent for learning AWS in a sandbox environment.

Out of those features, I find myself relying on the ability to run it locally for testing at no cost the most.

Using LocalStack has positively impacted my organization by saving 50-60% of our money because of using LocalStack and AWS resources on our local environment.

I calculated that 56% savings mostly on infrastructure cycle because if we use AWS, we have to pay for those resources, but by using LocalStack, we do not need to provision resources on AWS, so that is how we are saving that percentage.

What needs improvement?

LocalStack can be improved as it is currently not fully compatible with AWS services in each case, and there are limited features right now in that service. Additionally, only some of the services are free, and sometimes things work on LocalStack locally but fail on AWS. There is a performance limit, so I want those things to get improved.

For how long have I used the solution?

I have been using LocalStack for six months.

What do I think about the stability of the solution?

In my experience, LocalStack is stable.

What do I think about the scalability of the solution?

LocalStack's scalability is good.

What was our ROI?

I have seen a return on investment as I mentioned. We are saving 50 to 60% of our money using it.

What's my experience with pricing, setup cost, and licensing?

My experience with pricing, setup cost, and licensing is that we are not currently paying for LocalStack, and the setup is easy. You just need to install Docker.

Which other solutions did I evaluate?

Before choosing LocalStack, we had a clear mindset that we wanted to use it.

What other advice do I have?

I would rate this product an 8 out of 10.

Which deployment model are you using for this solution?

On-premises

If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

Amazon Web Services (AWS)

    Information Technology and Services

Set up can require some fiddling but once it's working it's great

  • July 13, 2023
  • Review provided by G2

What do you like best about the product?
LocalStack helps emulate resources in your local environment. For us, it has been very useful in mocking AWS resources for local development and makes that workflow easier as we don't have to maintain our own custom solution.
What do you dislike about the product?
LocalStack doesn't entirely have feature parity and can sometimes be a bit fiddly to set up. It requires a lot fo reading through docs and debugging to get going.
What problems is the product solving and how is that benefiting you?
LocalStack is helping our development workflow by allowing us to mock resources and therefore ensures fast development as we can run and debug changes locally before rolling them out to other environments.

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