Mountainner

Mountainner is an offline companion app for hikers and mountain lovers. Even without network access, you can explore famous peaks and use an offline compass for orientation.

Key features:

World peaks map: built-in data for 100 popular mountains, with zoom and pan support. Peak info cards: elevation, difficulty, and safety cautions. Offline compass: orientation support in weak-signal or no-network environments. Mountain check-ins: save photos, videos, notes, and voice memos on-site. Check-in list & detail view: review and share your memories. Multi-language support: Chinese, English, Spanish, and French. Privacy:

No account required. No personal identity data collection. Check-in content is stored locally on your device only. Ideal for:

Hiking Light alpine travel Trip memory logging Offline orientation support