JRun - 极简跑步记录

JRun is a lightweight iPhone running app for personal use and everyday runners. It focuses on recording a run clearly. There are no social feeds, ads, shopping, rankings, account requirements, cloud sync, or subscription walls. Start a run quickly, then review your route and training data in a focused interface. Features - GPS run recording with route, distance, duration, current pace, and average pace - Lock-screen and background location recording during an active run - Interrupted-run recovery from the last valid local checkpoint after an app crash, system termination, or phone power loss - Current weather before a run, with Open-Meteo as the primary source and MET Norway as fallback - History filters for time, distance, and shoes - Redesigned run details with an immersive map and pull-up panel for routes, metrics, notes, and weather - Kilometer splits with exact pace and fastest/slowest labels when at least two complete kilometers are available - Elevation chart by distance with cumulative elevation gain - Steps, average cadence, and average stride when motion data is available and authorized - Shoe management with automatic linked-run mileage, suggested replacement distance, and approaching/reached reminders - Local GPX / CSV export and full run-history CSV export - Full local JRun backup export and manual merge import for moving data - Interface languages: Simplified Chinese, English, Traditional Chinese, Japanese, Korean, Spanish, French, and German - Metric units only Data boundary JRun does not provide account registration, cloud sync, or automatic multi-device sync. Run history, shoes, profile data, and settings are stored locally on the device. Export a JRun backup before deleting the app, clearing local data, or changing phones. Weather requires network access. Run recording can continue when weather is unavailable.