Synametrics Technologies

It performs 4-5 time slower than WinSQL light.
It mainly affects queries that return more than 10,000 rows.
Apparently, it takes a much longer time to update the result set than WinSQL light (which is free).
It's an issue with the result set update, so the more rows it returns, the more one notices the difference in performance.
If the results return a few rows (less than 1000), then one will not see any difference.