Because it makes our ears tired the most, it might not be a good idea

I remember when I started Olympics I couldn't hear some high frequencies, in the hurry my brain was like : if I can't hear, that means it's very high frequencies.. but with time, now I really can hear it ! Everything is possible with work and belief, so don't give up. No matter how long it takes the important is to reach the goal. Air Detective can be a good option in SG

@Cindy 7Y, good to know! Thanks

We lose the ability to hear high frequencies as we age, unfortunately. Take a look at the section “Average Hearing Frequency Loss by Decade” at https://www.hearcenter.org/how-does-your-hearing-change-as-you-age/ (or Google has other links).