{"rewrite":{"id":"r_6e7f50c722312f137e3010b7","clusterId":"c_c47d94cd924f368da3f74ac3","slug":"comaps-free-offline-map-app-with-no-ads-no-tracking","model":"deepseek-v4-flash","headline":"CoMaps: Free Offline Map App With No Ads, No Tracking","summary":"CoMaps is an open-source map app that works entirely offline with no ads, no data collection, and no user tracking. The app uses GPS for navigation, allows downloading maps by prefecture, and includes layers for hiking, terrain, and subway routes. It is designed for hiking, biking, and driving in areas without internet and is available on iOS, Android, macOS, and Linux.","whyItMatters":"CoMaps provides a free, privacy-focused alternative to mainstream map apps, directly addressing concerns about data collection and the need for reliable offline navigation.","webCardHtml":"\u003cp\u003eThe review notes that the app displays a blank map on first launch and requires users to download maps by zooming in on a region. Once downloaded, the map works offline, and the current location marker becomes semi-transparent when there is no signal. The app includes layers for hiking trails, terrain contours, and subway lines, making it useful for both outdoor and urban navigation.\u003c/p\u003e\u003cp\u003eIts open-source nature and promise of no data collection set it apart from services like Google Maps, which rely on advertising and user data. The app is available on multiple platforms and can be downloaded from the App Store, Google Play, F-Droid, and other sources.\u003c/p\u003e","blueskyPost":"CoMaps is a free, open-source offline map app with no ads, no tracking, and no data collection. It uses GPS for navigation, lets you download maps by prefecture, and includes hiking, terrain, and subway layers. Available on iOS, Android, macOS, and Linux.","twitterPost":"CoMaps is a free, open-source offline map app. No ads, no tracking, no data collection. Uses GPS, download maps by prefecture, layers for hiking, terrain, subway. Available on iOS, Android, macOS, Linux.","threadsPost":null,"newsletterBlurb":"CoMaps is a new open-source map app that works completely offline with no ads or data tracking. The app uses GPS for navigation, allows downloading maps by region, and includes specialized layers for hiking and subway routes. It is available on multiple platforms and offers a privacy-conscious alternative to mainstream map services.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260718-comaps/\",\"title\":\"Free offline map app 'CoMaps' that can be used without internet connection, open-source developed, no ads, no personal tracking\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4263,"outputTokens":2458,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1784347888,"createdAt":"2026-07-18T04:04:35.000Z","publishedAt":"2026-07-18T04:07:28.000Z","updatedAt":"2026-07-18T04:04:35.000Z"},"cluster":{"id":"c_c47d94cd924f368da3f74ac3","canonicalTitle":"無料でネット接続なしのオフラインでも使える地図アプリ「CoMaps」、オープンソースで開発され広告なし・個人追跡なし","representativeArticleId":"a_60d37e63e5a1f05a87745d70","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-18T03:00:00.000Z","lastSeenAt":"2026-07-18T03:00:00.000Z","updatedAt":"2026-07-18T04:07:29.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260718-comaps/","title":"無料でネット接続なしのオフラインでも使える地図アプリ「CoMaps」、オープンソースで開発され広告なし・個人追跡なし"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}