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補聴器: 集音器、音量上げる、音量調整、聴力、難聴検査 icon
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補聴器: 集音器、音量上げる、音量調整、聴力、難聴検査

Hearing Aid App Solutions LLC · Medical · Japan store
#14 GROSSING · MEDICAL
View on App Store ↗ Instagram card
Revenue a month, worldwide
Too small to estimate
Not enough chart or ratings data
New ratings
+5
in 3 days, 4.1K in total
Rating
3.8 of 5
636 ratings in this store
Countries it ranks in
18
was 19 on Oct 18, 2026

Revenue

Estimated from the grossing charts of Oct 25, 2026 in the 53 countries we track, and ratings growth on the App Store.

EST. REVENUE / MONTH · WORLDWIDE
Too small to estimate
It only ranks in small categories, where no app reaches the overall top 100, so there is no reliable figure. Under about $10.2M a month (estimate), usually far less.
EST. LIFETIME DOWNLOADS
22.3K to 63.6K
Estimated from ratings count
RATINGS
636
AVG RATING
3.79
PRICE
無料
AGE
12.7y
LAST UPDATE
8d ago
VERSION
3.4.4
SIZE
60 MB
AGE RATING
4+

Last 30 days

From our daily snapshots of every grossing chart and daily ratings counts.

DAYS IN A GROSSING CHART
30 / 30
COUNTRIES NOW
18 (was 3)
NEW RATINGS, LAST 3 DAYS
+5
EST. REVENUE A MONTH, DAILY · APP STORE EST
Show daily values
Sep 26, 2026not in a grossing chart
Sep 27, 2026not in a grossing chart
Sep 28, 2026not in a grossing chart
Sep 29, 2026not in a grossing chart
Sep 30, 2026not in a grossing chart
Oct 1, 2026not in a grossing chart
Oct 2, 2026not in a grossing chart
Oct 3, 2026not in a grossing chart
Oct 4, 2026not in a grossing chart
Oct 5, 2026not in a grossing chart
Oct 6, 2026$4K a month
Oct 7, 2026not in a grossing chart
Oct 8, 2026not in a grossing chart
Oct 9, 2026not in a grossing chart
Oct 10, 2026$16.5K a month
Oct 11, 2026$4K a month
Oct 12, 2026not in a grossing chart
Oct 13, 2026$214 a month
Oct 14, 2026not in a grossing chart
Oct 15, 2026not in a grossing chart
Oct 16, 2026$1.2K a month
Oct 17, 2026$1.3K a month
Oct 18, 2026not in a grossing chart
Oct 19, 2026not in a grossing chart
Oct 20, 2026not in a grossing chart
Oct 21, 2026$248 a month
Oct 22, 2026not in a grossing chart
Oct 23, 2026$1.3K a month
Oct 24, 2026$1.3K a month
Oct 25, 2026$1.3K a month
The same estimate as the headline, saved every day. Best rank Sep 26, 2026: #52 Medical · JP. Now: #18 Medical · JP.
RATINGS IN THE CORE COUNTRIES, DAILY
Show daily values
Oct 22, 20264K ratings
Oct 23, 20264K ratings
Oct 24, 20264.1K ratings
Oct 25, 20264.1K ratings
4K on Oct 22, 2026, 4.1K on Oct 25, 2026. New ratings track new downloads, even outside the charts.

Money and momentum

Measured from the store, not estimated.

WHAT IT CHARGES
No in-app purchases
Earns from its upfront price, ads or payments outside the store.
REVIEW MOMENTUM
2.9 reviews / week
  • Trendfalling
  • Recent reviews average4.1 stars
  • Recent 1 and 2 star share11%
From the latest 500 written reviews, covering 1213 days. The store only returns this many, so this is the most recent slice.
RELEASE CADENCE
2 updates in 90 days
  • Typical gap between releases60 days
From the last 25 versions listed on the App Store.
RATING BREAKDOWN
636 ratings
5★44%
4★23%
3★14%
2★6%
1★13%

What users want

From the latest 500 reviews on the Japan App Store, Jun 30, 2023 to Oct 9, 2026: 11% are 1 or 2 stars. Open a theme to read what people wrote.

WHAT THEY COMPLAIN ABOUT · SHARE OF BAD REVIEWS
Price and subscription25%

14 of the 1 and 2 star reviews.

★★★★★ They automatically charge you for a whole freaking year of service after the free trial.
★★★★★ I had to redownload to try to get my money back and they even ask again if I wanted pay.
★★★★★ 3 days free 80$ for lifetime or 70$ one year don't even see the 12$ for per month. It's bad enough needing things to help communicate. This is absolutely taking advantage of disabled people. I think the “ Doctor…
Bugs, things not working9%

5 of the 1 and 2 star reviews.

★★★★★ I find this app totally ineffective and does not work for me at all.
★★★★★ Does NOT work with Shokz open ear headset as manufacturer specifies or other devices that cannot block ambient sound.
★★★★★ During hearing test, just keeps increasing the volume
Slow, laggy, battery7%

4 of the 1 and 2 star reviews.

★★★★★ Lag was terrible and I can't talk because that's all I hear.
★★★★★ Slow delayed audio processing.
★★★★★ Also the response time for sound to reach you is slow.
Lost data, sync, backup5%

3 of the 1 and 2 star reviews.

★★★★★ I didn't want any of it and even deleted the app.
★★★★★ I was eventually able to get caught back up on my debts at the time and this had slipped my mind, but I just so happened to reinstall the app and noticed a review that somebody left to where they had gone through the…
★★★★★ My account was immediately charged even though I immediately deleted the app from the 7 day trial.
Limits, credits, locked features4%

2 of the 1 and 2 star reviews.

★★★★★ WILL DISPUTE ON CREDIT CARD
★★★★★ If I want an improved version, I have to pay an exorbitant price for it, which I'm not paying for 8 days of use.
Login and account problems4%

2 of the 1 and 2 star reviews.

★★★★★ Tried the free trial and cancelled immediately after downloading so why they charged me I don't know but it has my account totally screwed up now and I've tried multiple times to reach out to Apple and to the makers of…
★★★★★ My account was immediately charged even though I immediately deleted the app from the 7 day trial.
WHAT THEY ASK FOR
  • It's a little confusing to navigate and a lot is behind the paywall (totally fine, just would be nice to have free and paid items separate). 3★, Jan 24, 2026
  • If I want an improved version, I have to pay an exorbitant price for it, which I'm not paying for 8 days of use. 2★, Dec 1, 2024
  • I wish the cost of the in-app-purchase was less. 4★, Sep 2, 2024
  • I wish there was more capabilities within but hey it's still a decent app. 5★, Feb 20, 2024
  • Needs more accuracy! 3★, Oct 29, 2023
  • I like the app., but I wish there was more in the free version vs having to pay monthly or yearly. 4★, Sep 11, 2023
WORDS THAT KEEP COMING UP IN BAD REVIEWS
won't let4free trial4day trial3leave review3hearing aids3
WHAT THEY LOVE · SHARE OF GOOD REVIEWS
Accurate, great results7%

26 of the 4 and 5 star reviews.

★★★★★ Does well but too many adds
★★★★★ I have found that the built-in iPhone mic is high-quality and works well with the app making aftermarket condenser/extension mics unnecessary.
★★★★★ Great app for better hearing.
Useful, it helps6%

21 of the 4 and 5 star reviews.

★★★★★ This app is incredibly helpful for people with hearing impairments.
★★★★★ Very helpful when the people around me won't speak up.
★★★★★ I use the free version, which has many good options and features. The in app purchase will allow one access to many more features that can be put to use. Personally, I would like to use the other features, however. The…
Easy to use3%

11 of the 4 and 5 star reviews.

★★★★★ Enough said the features are nice it's user friendly and truly gives you crisp amplification
★★★★★ Great app and easy to use
★★★★★ App is helpful & easy to use.
Worth the money3%

11 of the 4 and 5 star reviews.

★★★★★ Useless unless you subscribe, only gave 5 stars so people would see this, because corrupt apple only lets you see what THEY want
★★★★★ Great set of various features , even with just the free version, they are more thorough than I could have expected.
★★★★★ I use the free version, which has many good options and features.
Fun, addictive1%

3 of the 4 and 5 star reviews.

Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.

What users say

Latest reviews, Japan App Store.

★★★★★Oct 9, 2026
Logging in

Won’t let me enter my email address!

★★★★★Sep 22, 2026
good app

wow nicew

★★★★★Sep 19, 2026
Incomplete

Has menus that do nothing. Poor instructions.

★★★★★Sep 11, 2026
Confusing to set up

Just not well built.

★★★★★Sep 10, 2026
Nice

Great job

★★★★★Aug 17, 2026
Lies

The app Doesn’t work! Does not allow pairing of hearing aids…everything described is a LIE!

Store screenshots

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App Store ads

Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.

Apple's ad repository couldn't be reached right now. Try again later.

Growth research

Where this app is buying and earning its users. Each link opens pre filtered.

Meta Ad Library ↗Active Facebook and Instagram adsTikTok Creative Center ↗Top performing TikTok adsTikTok creators ↗Organic videos mentioning the appInstagram ↗Reels and posts under its hashtagYouTube ↗Reviews, tutorials and ShortsDeveloper site ↗Landing page and pricing

ASO keywords

Most repeated terms in the listing. Highlighted ones also appear in the title.

petralex pro5petralex4super boost3pro html3bluetooth3pro3healthkit2super2boost2html2

What's new in 3.4.4

• Apple Watchへの対応を改善 • 音の増幅と聞き取りやすさを向上 • リアルタイム文字起こしを改善 フィードバックありがとうございます。今後も継続的にアプリを改善していきます

Released Feb 16, 2014. Current version shipped Oct 17, 2026.

Store description

◆ 11×サウンドブースト対応の補聴アプリ ◆ ライブリッスンと音声増幅 ◆ 聴力テストとApple HealthKitへの保存 ◆ 音楽音量ブースト — ライブリッスン ◆ 音声増幅でクリアに聞き始めましょう ● 受賞歴: ◦ Microsoft Inspire P2Pコンテスト 2017・2018 優勝 ◦ PC Magazine – 2014 ベストソフト ◦ Lern Award – 2018 ベストラーニングプログラム ◦ 科学 私たちについて: 55以上の研究論文 無料機能: ● 耳ごとのパーソナライズ聴力補正 ● インシチュ（内蔵）聴力テスト ● 小さな音を増幅するダイナミックコンプレッション ● 4つの音声増幅モード ● ライブトランスクリプト — 会話や講義用の音声テキスト変換 ● Bluetoothデバイスやワイヤレスヘッドフォン（AirPods含む）に対応 ● Apple HealthKit連携: 聴力変化をモニタリング・追跡 ● 内蔵ミュージックプレーヤー ● 耳鳴りのピッチマッチングテスト プレミアムリスニング機能: ● 聴覚障害者向けの増幅サウンド付き内蔵ミュージックプレーヤー ● Super Boost: 標準ヘッドフォンで最大1000%の音量増幅 ● 補聴器に慣れるための4週間適応コース ● 環境に応じた無制限のサウンドプロファイル ● クリアな音声のためのノイズ抑制 ● 高度な増幅モード: “Super Boost” と Dectone ● 耳鳴りに配慮した静音増幅 ● 音声テキスト変換付きレコーダー ... その他多数！ サブスクリプション詳細: ► すべてのプレミアム機能を解放 ► 週・月・年・生涯プランから選択 ► App Storeアカウント設定からいつでも管理・解除可能 ► 現在の期間終了24時間前まで自動更新をオフにできます 重要なヒント: 補聴器への適応には数週間から数か月かかることがあります。 これまで聞こえなかった音が聞こえるようになる場合があります。快適さのためにノイズリダクションを使用してください。 慣れ親しんだ音が最初は違って聞こえることがあります。 内蔵の4週間適応コースを最大限に活用してください！ ご存知でしたか？ ◆ 補聴器の使用で認知症リスクが75%低下 ◆ 65歳以上の3人に1人が聴覚サポートを必要としています ◆ 未治療の難聴は認知機能低下のリスクを40%高めます Bluetooth注意: Bluetoothヘッドセット使用時、わずかな遅延やエコーが発生する可能性があります。 免責事項: Petralex®は医療機器として認証されていません。聴覚に関する問題は専門家に相談してください。アプリ内の聴力テストは適応を支援するものであり、専門的な診断の代替ではありません。 質問やフィードバックはこちらへ: support@petralex.pro 利用規約: https://petralex.pro/terms.html プライバシーポリシー: https://petralex.pro/privacy-policy.html

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Prices, ranks and reviews are per country. Revenue above is already worldwide.

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