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High-Frequency Noise Monitor

TOON,LLC · Utilities
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★ 2.80average rating
5ratings
+0new ratings, last 7 days
—not in top charts now

Ratings breakdown

★★★★★
20%
★★★★
20%
★★★
20%
★★
0%
★
40%
🔒 Rating history21 days of daily rating and rating countGet Pro access

App info

Developer
TOON,LLC
Category
Utilities
Released
Oct 7, 2021
Version
6.1 (Aug 13, 2026)
Price
$6.99
Size
0.5 MB
Requires
iOS 26.2
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.
🔒 Chart rank history2 chart positions recorded, every 3 hoursGet Pro access

About High-Frequency Noise Monitor

"High-Frequency Noise Monitor" is a noise analysis tool that specializes in high-frequency bands above 8 kHz. You may be exposed to artificial high-frequency noise on a daily basis that is inaudible to the human ear. This app allows you to monitor these noises and examine their occurrence. Generally, noise contains relatively high-frequency components depending on its source, which is classified as high-frequency noise. For instance, harmonic noise radiates from electronic devices' main bodies or power lines of power conversion devices, such as AC-DC power adapters. Depending on its power level, this noise may affect peripheral devices. Some devices generate high-frequency noise to drive away vermin, such as rats and weasels. The frequency of the sound varies depending on the type of vermin. Some devices incorporate sensors that change the volume and frequency over time. When such…
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