Lowest Cost Cloud Load Testing Tool

Stress Testing

The Power of an Elastic Cloud Infrastructure
  • Proven - loved by thousands of web developers; review our testimonials.
  • Scalable - run tests up to 50,000 concurrent vusers and/or 5,000 requests per second.
  • Realistic - create test plans to login from files of usernames/passwords that you upload.
  • Visual - real time graphs with performance metrics (e.g average response time, error rates).
  • Easy - no download, no hardware to buy, no license fee, no scripting language to learn.
  • E-commerce - build scenarios where test users purchase with test credit cards.
  • Guaranteed - you will be satisfied or your money back.
  • Flexible - pay per test or monthly subscription with unlimited test runs.


Most Cost-effective Load Testing Tool in the World
Storm on Demand Concurrent Users Cost
250 $9.97
500 $19.95
1,000 $39.90
5,000 $199.50
10,000 $399.00
25,000 $997.50
50,000 $1,995.00




Storm on Demand - Pay Per Test

Storm on Demand Users Cost
250 $9.97
500 $19.95
1,000 $39.90
5,000 $199.50
10,000 $399.00
25,000 $997.50
50,000 $1,995.00

performance testing sign upIt's easy. You can be load testing in 15 minutes.

  1. Click the "Free Account" button.
  2. Enter your name & email address.
  3. Click the confirmation link in an email.
  4. Create a test scenario for your site.
  5. Run a load test.
  6. Analyze the test results.
  7. Send us a testimonial because you are amazed!

Best Load Testing Tool - Happy Customers Prove It

"Great load testing tool! It's exactly what we need. I think the world of the service!" - Rafael Santander, Performance Engineer, OffandAway.com

"We can only wish that more of our vendors would be so responsive and accommodating as LoadStorm." - Miguel Picornell, VP Operations, Optaros, Inc.

"LoadStorm's service is awesome!" - Saggi Malachi, Lead Developer, AnybodyOutThere.com

“Thanks for a great tool! - Soeren Sprogoe, B2C e-Commerce Consultant, Afdeling18.dk

"I only complement when well deserved and this is the case here. This is perfect! Thank you very much." - Virgil Olteanu, Web Architect, Studiocom

"Thanks very much for the great load testing tool!" - Craig Leinoff, Director of Digital Operations, Ferrazzi Greenlight

"We use your service on daily basis to ensure the best performance and scalability on our high traffic directory, your tool let us predict future scenarios and be ahead with no worries about our online business. From my point of view is an essential service thank you a lot." Claudio Bianchi CEO and founder, FreeSharewareDepot

Want a Live Demo? Have Questions?

Please feel free to contact:

Scott Price
Vice President
(970) 389-1899 mobile

Click here to take a tour & watch tutorial videos

Click here to submit a testimonial