More deceived wisdom debunked, this time sonic bug repellants.
Whether they are meant to repel mosquitoes, cockroaches or ants they don’t. They are based on junk science, according to a Texas A&M entomologist Roger Gold who has studied these products for two decades. The Android and iPhone apps all fail too, even the paid ones. You are better advised to buy traps or chemical repellents that actually work or just ignore the bugs and live your life.
Stop Wasting Money on Sonic Bug Repellants: They Don’t Work.