YYサイレンアラート vs Vehicle Identification
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。
Vehicle Identification
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Vehicle identification from siren
Screenshots
Verdict
The clearest difference is ads: YYサイレンアラート at none against Vehicle Identification's shown. Vehicle Identification's advantage is update cadence (fortnightly vs monthly). On price, in-app purchases, device support and iOS requirement 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, Vehicle Identification fortnightly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.
| Parameter | YYサイレンアラート | Vehicle Identification |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 6 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社エクォス・リサーチ | Hideaki Uchikoshi |
In-app purchases
YYサイレンアラート
No in-app purchases
Vehicle Identification
No in-app purchases
Questions
Is YYサイレンアラート free?
Is Vehicle Identification free?
Do YYサイレンアラート or Vehicle Identification have ads?
Which is updated more often, YYサイレンアラート or Vehicle Identification?
Other comparisons
