SOSホイッスル vs 同心円ロケーター
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOSホイッスル
This utility app produces a loud whistle sound and a blinking light when a button is pressed, designed to help users signal for help in emergencies. It offers customizable modes for both the whistle and light functions.
- Whistle sound on button press
- Blinking light on button press
- Adjustable whistle modes
- Adjustable light modes
- Emergency signaling tool
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SOS Whistle [Function] ・Whistle feature The whistle sound is played when pressed. stop if you press the button again. [How] When you start the application of SOS Whistle Whistle sound when a button is pressed so Will play. If you stop playing again If the stop button. You can write function is selected by pressing the MENU button on the terminal. When you press the button, the light function Continue to blink. To turn off the light, press the button again to turn off the light. In addition, it is possible to switch the mode of each function from the setting in the application. The whistle can switch to the mode in which the sound is played only while the button is being pressed, and the light can be switched to the lighting mode only while the button is pressed down. Yobuko whistle whistle both adults and children for a disaster The disaster site and rescue / security woes Ask for help when a disaster and nobody even noticed Moraezu out loud Rather than be exhausting. Please ask for your help to rescue workers and nearby people with this app. ◆ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ ◆ I feel we have created this application is required under the East earthquake. The earthquake in the East who are the victims We sincerely condolences. ◆ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ □ ◆ The SOS whistle app, Please note that it does not guarantee the safety of the user. Produce by Garage High Five
同心円ロケーター
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同心円ロケーターは、複数の周辺施設と距離条件から、候補エリアを地図上で参考推定するアプリです。 不動産情報などに掲載された「スーパーまで徒歩8分」「郵便局まで510m」といった情報を入力すると、施設候補を検索して位置を確認し、各距離条件が重なる範囲を表示します。 主な機能 ・周辺施設の情報をテキストでまとめて取り込み ・スクリーンショットを端末内OCRで読み取り ・市区町村のヒントを使った施設候補検索 ・候補を比較して施設位置を確認・修正 ・条件ごとの半径調整、ON/OFF切り替え ・複数条件の交差エリアと中心候補を地図表示 ・中心候補をAppleマップまたはGoogleマップで開く ・調査ケース、メモ、参考リンクを端末内に保存 ・JSON形式のバックアップと復元 画像の文字認識は端末内で行い、選択した画像は保存しません。調査データも外部サーバーへ保存せず、端末内で管理します。 本アプリの候補エリアは公開情報と入力条件に基づく参考推定です。住所や物件を確定するものではないため、最終確認には公式情報や現地調査をご利用ください。
Screenshots
Verdict
The clearest difference is iOS requirement: SOSホイッスル at 8.0 against 同心円ロケーター's 17.0. On price, update cadence, 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.
SOSホイッスル ships an update every 5 days, 同心円ロケーター weekly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.
| Parameter | SOSホイッスル | 同心円ロケーター |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | ComNetSystem | Tom App Works |
In-app purchases
SOSホイッスル
No in-app purchases
同心円ロケーター
No in-app purchases
Questions
Is SOSホイッスル free?
Is 同心円ロケーター free?
Do SOSホイッスル or 同心円ロケーター have ads?
Which is updated more often, SOSホイッスル or 同心円ロケーター?
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