He is groper! vs YYサイレンアラート
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
He is groper!
This app allows users to display large, customizable text messages to alert those around them in situations of fear or distress. It's designed to help convey urgent needs for assistance quickly and effectively. Users can personalize the text, font size, color, and display speed.
- Large character display for urgent messages
- Customizable text content
- Adjustable font size
- Color customization
- Adjustable display speed
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When you do not put out voice with fear and when you had a molestation, etc., and ask for help to people around with this app! This app tells the people around a huge character that you want to convey! Let recommend this app to protect your loved one. ※ It can set the text of the original. ※ It can change the font size. ※ It can change the color. ※ It can change the speed of the character.
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。
Screenshots
Verdict
The clearest difference is update cadence: YYサイレンアラート at monthly against He is groper!'s every 37 months. He is groper!'s advantage is iOS requirement (7.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
He is groper! ships an update every 37 months, YYサイレンアラート monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.
| Parameter | He is groper! | YYサイレンアラート |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 37 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 2ka | 株式会社エクォス・リサーチ |
Customer experience
He is groper!
YYサイレンアラート
In-app purchases
He is groper!
No in-app purchases
YYサイレンアラート
No in-app purchases
