Mountain Log Japan

Summer Mountain Challenge 2026: free version saves 3 records in August! Fast offline maps, HD contours, easy GPX import, route timing. One-time buy, now in English.

Just scan your photo library and your past hiking records come back to life. Track your progress on Japan's 100 Famous Mountains at a glance. One-time purchase — no subscriptions.

■ Key Features

[Summer Mountain Challenge 2026] New! • Limited-time August event with free tier expanded to 3 records • Special badge automatically awarded during the challenge

[Cache Management] New! • View and clear map cache with one tap to fix sluggish map display • Hiking records and offline maps are not affected

[Course Time Planning & Tracking] • Set time and rest per checkpoint for realistic planning • Record actual times and compare with your plan • Display estimated times between checkpoints on the trail

[Step-by-Step Climb Screen] • Banners guide you: offline map → trail search → route → voice memo • GPX file import supported

[Enhanced Offline Maps] • Search by mountain name and download for offline use • High-resolution with clear contour lines, parallel downloads • Download from record details; approach roads included

[Multi-Summit Traverse Support] • Record multiple summits in a single hike with individual times

[Auto-Detect Past Hikes from Photos] • Scan photos to auto-detect hikes by geolocation and timestamp • Batch-register for easy organization

[Highlight Cards & Social Sharing] • Auto-generate cards with photos, route maps, and stats • Apple Intelligence generates unique social media captions • One-tap sharing to Instagram, X, LINE, and more

[Voice Memos & Transcription] • Record observations by voice with auto-transcription to notes

[Backup & Restore] • Full backup with SHA-256 integrity verification

[Statistics Dashboard] • Monthly/yearly graphs, personal bests, prefecture distribution • Summit rates across all 12 mountain categories

[Famous Mountain Checklist] • 12 lists: Hyakumeizan, Nihyakumeizan, Sanbyakumeizan, and 9 regional lists • Auto-match with records, progress bars, search and sort

[Mountain Weather] • Real-time weather, 3-day forecast, sunrise/sunset times

[Trail Search] • Search nearby trails via OpenStreetMap with POI display • Define walking order and save as GPX

[GPS Tracking] • Real-time distance, elevation, speed with background tracking • Auto-backup every 30 seconds with crash recovery

[Lock Screen & Dynamic Island] • Live display of distance, elevation, elapsed time • Route deviation alerts on widgets

[Sunset & Route Deviation Alerts] • Auto-estimated return time with sunset warnings • Audio/vibration alerts when straying from route

[GSI Offline Topographic Maps] • High-precision maps usable without cell service, zoom 12–18

[Elevation Profile] • Time-based and distance-based toggle display

[GPX Import/Export] • Seamless data exchange with other apps and GPS devices

■ Supported Mountain Lists Hyakumeizan (100) / Nihyakumeizan (200) / Sanbyakumeizan (101) Regional: Hokkaido / Tohoku / Kanto / Koshinetsu / Tokai / Kansai / Chugoku / Shikoku / Kyushu

■ Free vs Pro Free: 1 record, 1 offline map area (expanded during events). Pro (one-time purchase): unlimited. No subscriptions.

■ Privacy First All data stored on device only. No cloud uploads or accounts required.