EquivTest 2.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is Statistical Solutions Ltd.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular version among the software users is 2.0. The EquivTest installer is commonly called StatSolSys.exe. The program lies within Education Tools, more precisely Science Tools.
From the developer:
EquivTest is Equivalence Testing Software providing extensive tests and confidence intervals for equivalence testing as well as a comprehensive set of pharmacokinetic calculations.
EquivTest provides a range of tests and confidence intervals for the statistical analysis of equivalence test studies.
You may want to check out more software, such as CAEFEM, Quarter Mile Math Level 1 or Photometric Toolbox32, which might be related to EquivTest.