Professionals interested in purchasing iLs equipment must first complete iLs training. Once trained, the cost of equipment ranges from $175-$1895. The cost of an iLs program to the end user varies depending on how iLs is implemented within a practice.End users can find an iLs practitioner by using the Provider Locator on the iLs web site or by contacting iLs. 2.rogram sessions are 30 – 60 minutes in length, with a recommended frequency of 3 – 5 times per week. Program length is flexible and depends upon the therapeutic objectives as well as the client’s circumstances.