YYサイレンアラート vs nezu 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YYサイレンアラート
This utility app visualizes important sounds like sirens and alarms, alerting users through visual cues and vibrations. It helps individuals who have difficulty hearing these sounds or want to be more aware of their auditory environment. The app detects various sounds, from emergency vehicles to everyday noises.
- Visualizes siren sounds
- Alerts via display and vibration
- Detects emergency vehicle sounds
- Recognizes car horns and bicycle bells
- Identifies fire alarms and intercoms
- Visualizes speech, music, and breaking glass sounds
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■「YYサイレンアラート」はこんな方にオススメです ・「サイレン音」が聞き取りづらい方 ・周囲の音の大きさが気になる方 ・周囲の音の情報を可視化したい方 ■検出できる音 ・表示と振動でお知らせする音 サイレン、救急車、消防車、パトカー、車のクラクション、自転車のベル、火災報知器、インターフォン ・表示のみでお知らせする音 話し声、歌声、音楽、悲鳴、叫び声、ガラスなどが割れる音、楽器（ギター、ドラム、ピアノ） ※本アプリは、端末のマイクを使って「サイレン音」などを判別します。 検出できない場合があったり、誤って検出する場合があります。 周囲の環境を目視確認するようにしてください。
nezu 3
Control your Vibone nezu 3 device via Bluetooth to switch between hearing and audio modes. Adjust volume, noise reduction, and customize sound profiles with six frequency bands for a personalized listening experience.
- Bluetooth device connection
- Switch hearing/Bluetooth modes
- Adjust left/right earphone volume
- Adjust noise reduction
- Customize sound profiles
- Six-band frequency adjustment
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Features You can connect the Vibone nezu 3 to devices such as smartphones via Bluetooth and switch or adjust the following settings: 1.Switch between hearing mode and Bluetooth mode 2.Adjust the volume for each earphone (left and right) 3.Adjust the noise reduction function 4.Adjust the sound quality 5.Particularly for sound quality, in addition to the three preset sound profiles in Vibone nezu 3, you can customize the sound by adjusting six levels for each frequency band, allowing you to create your preferred sound profile. How to Use Please refer to the instruction video provided by Solid Sonic Co., Ltd., before using the device.
Screenshots
Verdict
The clearest difference is update cadence: YYサイレンアラート at monthly against nezu 3's every 7 months. nezu 3's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
YYサイレンアラート ships an update monthly, nezu 3 every 7 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.
| Parameter | YYサイレンアラート | nezu 3 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社エクォス・リサーチ | SOLID SONIC K.K. |
Customer experience
YYサイレンアラート
nezu 3
In-app purchases
YYサイレンアラート
No in-app purchases
nezu 3
No in-app purchases
