SecurityMan Dash Cam, Full HD Car DVR Dashboard Camera Recorder with Android/iOS App, Hand Gesture Snapshots, GPS Logger, Impact G-Sensor, Loop Recording (CARCAMGPS) - Walmart.com
遠藤まさみの 地球散歩: 外付けGPS LoggerでiPhone GPSの精度を上げる
GPS Tracker for iOS: Open GPX Tracker - no ads, no in-app purchases. Free Open source.
Pythonista3でiPhoneのGPSデータを取得する - Qiita
GPS Logger for Android - Download | Cafe Bazaar
WayLog - GPS Logger App on the App Store
GitHub - esripdx/GPS-Logger-iOS: Test app for logging location and motion from iOS devices
Easytrails GPS the perfect iPhone/Android application for outdoor, tracker GPS
GNS 3000 Bluetooth Gps Galileo Glonass MFI iPhone iPad iPod Android Logger mit Micro-SD Slot