EarAgeChecker Downloads & RevenueEarAgeChecker · App Store
Not in any tracked top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
Developerkoikoi.biz
CategoryMedical
PriceFree
Released
Rating★ 4.3 (266)
Version1.3
Age rating4+
First seen by us
23 Oct 2026
23 Oct 2026Full timeline · 2 events in the last 12 months
- 🆕EarAgeChecker first spotted by AppInsiderJapan (found via developer)
- 🆕EarAgeChecker released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.3 ★
266 ratings
Measured
EarAgeChecker on the App Store
App details
App ID
452237382
Publisher
Katsuhisa Koike
On the store since
Aug 2011
15 years on the store
Minimum OS
iOS 8.0+
iPhone 4s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
12 MB
Also listed in
Health & Fitness
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.3 ★
266 ratings
Measured
Ratings
266
Measured
About EarAgeChecker
■Description
This app is using so-called mosquito tones are what you can check
the age of your ear.
■How to use
'Play' button to ring, 'Stop' button to silence. 'Play' pressing
the button, please press the button labeled frequency. The age of
your ear to the age of the most significant frequency of the sound
heard. In manual mode, you are free to raise from 0 to 30kHz sound
operation of the slide bar. With it, you can check over the
audible frequency.
This app is using so-called mosquito tones are what you can check
the age of your ear.
■How to use
'Play' button to ring, 'Stop' button to silence. 'Play' pressing
the button, please press the button labeled frequency. The age of
your ear to the age of the most significant frequency of the sound
heard. In manual mode, you are free to raise from 0 to 30kHz sound
operation of the slide bar. With it, you can check over the
audible frequency.
Latest updates
1.3
- Support for iPhoneX
- Support for iOS11
- Changed the design
