LocalStack pros and cons

Name: LocalStack
Brand: LocalStack
Rating: 4.3 (8 reviews)

Vendor: LocalStack

4.3 out of 5

8 reviews
100% willing to recommend

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LocalStack Pros review quotes

Harshal Jethwa

Cloud Engineer at a educational organization with 501-1,000 employees

Apr 24, 2026

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.

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Rodrigo Vilela

Specialist Backend Engineer at a computer software company with 1,001-5,000 employees

May 14, 2026

All of the features LocalStack offers are great, including AWS services such as S3, SNS, and SQS.

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Ruturaj Kadam

Software Engineer at a tech vendor with 1,001-5,000 employees

Sep 6, 2026

LocalStack positively impacts our organization by improving cost since it runs locally without any expenses, speeding up development because we can catch all errors beforehand, and testing the entire flow before going live, making it a win-win scenario and a must-have tool that has shown significant positive outcomes.

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reviewer2816820

Developer at a educational organization with 51-200 employees

Jul 10, 2026

The positive impact on our organization has been massive, primarily visible in three key outcomes.

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Vikas Kejriwal

Engineering Manager at a comms service provider with 11-50 employees

Jun 18, 2026

Organizations should definitely check out LocalStack if they want to reduce their development and testing costs.

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Orlando Perrotta

Software Engineer at a outsourcing company with 1,001-5,000 employees

Apr 27, 2026

Some features of LocalStack that stand out for me are that I have the opportunity to integrate with many third-party systems, and for example, I used it in connection with PostgreSQL because we needed to use a shared database.

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Alexandre Miguel Costa

Senior Engineer at Integer Consulting

May 4, 2026

LocalStack positively impacts my organization because it is used across the organization, increasing the productivity of all team members, not just developers but also QAs sometimes.

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LocalStack Cons review quotes

Harshal Jethwa

Cloud Engineer at a educational organization with 501-1,000 employees

Apr 24, 2026

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.

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Rodrigo Vilela

Specialist Backend Engineer at a computer software company with 1,001-5,000 employees

May 14, 2026

The Lambda application is not simple to test locally in LocalStack.

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Ruturaj Kadam

Software Engineer at a tech vendor with 1,001-5,000 employees

Sep 6, 2026

One suggestion I would raise for LocalStack is that it should have closer parity with AWS, as it works well with common functionalities but there are some edge cases where it fails to emulate AWS accurately.

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Learn what your peers think about LocalStack. Get advice and tips from experienced pros sharing their opinions. Updated: September 2026.

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reviewer2816820

Developer at a educational organization with 51-200 employees

Jul 10, 2026

Resource consumption is the one pain point, as running a full LocalStack instance with multiple services can be quite heavy on our system's RAM and CPU, sometimes slowing down older developer laptops.

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Vikas Kejriwal

Engineering Manager at a comms service provider with 11-50 employees

Jun 18, 2026

Several of its features are paywalled and require payment.

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Orlando Perrotta

Software Engineer at a outsourcing company with 1,001-5,000 employees

Apr 27, 2026

LocalStack could be improved by adding more feedback when you use the CLI.

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Alexandre Miguel Costa