EMF Scan vs GPS Speedometer

Measure electromagnetic fields (EMF) in real time using your smartphone's built-in magnetic sensor. [Key Features] • Real-time magnetic field strength display (switch between µT / mG) • Automatic saving of measurement data and history management • Map view of measurement locations • Sound alarm (volume changes with field strength) • Color themes (11 in total — dark and light pastel) • Ad-removal option (one-time purchase; also unlocks some color themes) [Great For] • Anyone concerned about magnetic fields around home appliances or power lines • Anyone who wants an easy alternative to a dedicated EMF meter • Anyone who wants to record and manage measurement data * This app uses your smartphone's magnetic sensor. Its accuracy differs from that of a dedicated measuring instrument.

GPS Speedometer は、iPhone のGPS位置情報を使って現在の移動速度を表示するシンプルなスピードメーターアプリです。 車、自転車、徒歩での速度確認に加え、ノット表示にも対応しているため、ボートなどのマリン用途でも使用できます。 黒背景の見やすいメーター表示で、現在速度、最大速度、平均速度、走行時間、GPS精度を確認できます。