Review of iwStack.com

iwStack (based on Apache CloudStack) is Prometeus's scalable cloud brand, Infrastructure as a Service, Elastic resources and Pay-As-You-Go service, with servers in Milan (Italy [HQ]), Amsterdam (Netherlands), and Bucharest (Romania). Prometeus was bought in 2023 by CDLAN.

I couldn't find reviews since around 2015, that's why I decided to do one now in 2026. This is my experience the few times I've used it since 2021.

[...] CloudStack:

iwStack uses version 4.4.4 by the "about" link in the control panel. Version 4.4.1 is from october 2014, the tarball date of 4.4.4. says june 2015. Apache CloudStack's most recent release is 4.22.0.0. This is 18 major versions behind the current 4.22.0.0 release (November 2025), representing nearly 10 years without updates.

[...] I wanted to create a virtual router to test the load balancing. Never could get it to work. I had multiple problems creating and destroying the isolated network and its instances. then I tried again to no avail. The problem was the network remained allocated and not implemented. I added a firewall rule, maybe that spins up the virtual router instance, I thought to myself. Do I have to create another instance? I decided to check the tutorial, it says "(a virtual VM with a powerful router (though it lacks IPv6 capabilities for now) is automatically deployed".

[...] Conclusion:

iwStack offers very low-cost pre-paid cloud infrastructure suitable for basic use cases(simple instances with public IPs). However, it shows clear signs of minimal maintenance.

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