Skytuneup is the first solution for smart management of cloud resources. Up to 90% cost reduction, by managing the dynamic pricing of spot instances 100% system availability and minimum complexity. Review collected by and hosted on G2.com.

As per my thoughts, I don't think there is any major issue with Skytuneup. It is easy to use without any environment. It is also cost-effective, so no issue with cost either. Review collected by and hosted on G2.com.