Silent Scan vs MoveGuard Detector

Silent Scanは、0〜50Hzの低周波域に特化した振動測定・記録アプリです。 スマートフォン内蔵の加速度センサーを使用し、床や構造物を通じた低周波振動をリアルタイムで検出・可視化します。 【主な機能】 ・0〜50Hzのリアルタイム低周波振動測定 ・低周波域の周波数スペクトル表示 ・測定履歴の保存と管理 ・GPS位置情報と連携した測定記録（Premium） 低周波振動は人が感じにくいにもかかわらず、体調不良や睡眠障害の原因となることがあります。Silent Scanは日常では気づきにくい低周波域の振動を可視化し、生活環境の状況把握にお役立てください。 静かな場所探しや、振動環境の確認にご活用ください。 【利用規約】 https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Silent Scan is a vibration measurement and recording app specialized for the low-frequency range of 0–50 Hz. Using your smartphone's built-in accelerometer, it detects and visualizes low-frequency vibrations transmitted through floors and structures in real time. [Key Features] • Real-time low-frequency vibration measurement (0–50 Hz) • Frequency spectrum display for the low-frequency range • Save and manage measurement history [Key Features] • Real-time low-frequency vibration measurement (0–50 Hz) • Frequency spectrum display for the low-frequency range • Save and manage measurement history • Measurement records linked with GPS location data (Premium) Although low-frequency vibrations are hard for people to perceive, they can sometimes cause physical discomfort or sleep problems. Silent Scan visualizes low-frequency vibrations that are difficult to notice in daily life, helping you understand the condition of your living environment. Use it to find quieter places or to check the vibration environment around you. [Terms of Use] https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Motion Detector helps you know when your iPhone is moved, picked up, or flipped. Start monitoring, leave the app running, and movement events are saved locally with time, event type, motion strength, orientation summary, and notification status. Use it for short monitoring sessions when you want to know whether your phone was touched or moved. You can enable local notifications for instant alerts, or turn notifications off and keep a quiet local history only. Key features: - Detect movement, pickup, and flip events - Save event history locally on your device - Optional local notifications - Adjustable sensitivity - Theme color customization - No account required - Full app access included; no in-app purchases Motion Detector is a utility app and is not a guaranteed security or anti-theft service. iOS system behavior may affect long-running monitoring. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/