Overview
Every free map on your phone is paid for somehow. Google pays with your location history. Apple pays with its hardware margins and an ecosystem it would like you never to leave. CoMaps asks for nothing, and that shapes how the whole product behaves.
CoMaps is a free, open-source navigation app built on OpenStreetMap data and maintained by the CoMaps community. Its lineage matters. It is a fork of Organic Maps, which was itself a fork of Maps.me, and each split was about who controls the project and what they owe the people who build it. CoMaps puts privacy, transparency, and not-for-profit governance at the center of its identity. That reads like a mission statement until you look at the feature list and notice what’s missing: no ads, no tracking, no account wall, and no prompt asking you to rate your last restaurant visit.
Functionally, CoMaps is an offline-first navigator. You download compact regional maps ahead of time, and from then on search, route planning, and voice-guided turn-by-turn directions for driving, walking, and cycling all work without a cellular signal. On top of that it adds a substantial outdoor layer: hiking and cycling trails, campsites, water sources, contour lines, and GPS track recording. Subway and light-rail routing covers city use, and offline Wikipedia articles give background on landmarks.
The market position is clear. CoMaps isn’t trying to beat Google Maps at live traffic or business reviews, and it shouldn’t. It competes with Organic Maps for the privacy-minded, with OsmAnd for the trail crowd, and with paid hiking apps for anyone who resents a subscription for contour lines. It holds a 4.7 out of 5 rating on the App Store — a strong start for a fork this young.
Key features
- Offline Maps and Navigation: Regional maps download in advance. After that, search, routing, and voice guidance for driving, walking, and cycling work without any data connection.
- Outdoor Mapping: Hiking and cycling trails, campsites, water sources, and contour lines, plus GPS track recording with import and export.
- Transit Routing: Subway and light-rail routing for getting around cities without a data plan.
- Offline Wikipedia: Background articles on landmarks and points of interest, available without a signal.
- Bookmark Lists: Save places into organized lists for trip planning.
- Built-in OpenStreetMap Editor: Fix map errors directly in the app and contribute them back to the shared map.
- Zero Data Collection: No ads, no tracking, no personal data collected.
- Broad Reach: Apple CarPlay support and builds for iPhone, iPad, Mac, Android (Google Play, F-Droid, and others), and Linux via Flathub.
Analysis
The Offline-First Bargain
CoMaps makes one demand of you: plan ahead. Before a trip, you download the regions you need. In return, the app is designed to behave the same in a subway tunnel, a national forest, or a roaming-hostile country as it does on home Wi-Fi.
That bargain works because the map files are built to be small. Offline maps in mainstream apps tend to be an afterthought: bulky, with expiring caches and capped areas. Here they are the foundation of the product, and the design reflects it — regions are sized so you rarely have to choose between your maps and your photo library.
The cost appears exactly where you’d predict. You cannot search for an address in a region you haven’t downloaded. If you’re casually checking an address across the country, CoMaps makes you download first, which breaks the browse-anywhere habit that Google Maps has trained into everyone. It follows logically from the design, but logic doesn’t stop it from being friction. A lightweight online search fallback, made strictly opt-in, would close the gap without abandoning the offline principle.
Routing and Navigation
For basic point-to-point routing, the app is built to be dependable: turn-by-turn voice guidance for driving, walking, and cycling, with walking and cycling profiles given real attention rather than bolted onto a car-first engine. The transit routing for subways and light rail is a pleasant surprise in an offline app. It won’t replace a city’s real-time transit app, but it should get you across an unfamiliar city when your SIM isn’t working.
The routing engine has clear limits under more complex use. There is no navigation through waypoints, so a multi-stop day trip has to be broken into separate legs. And you can’t reverse a route, a real gap for anyone walking an out-and-back trail or retracing a recorded track. Neither problem disqualifies the app, but both are the kind of feature that keeps a serious user’s second app installed.
Because CoMaps collects no data, it also has no crowdsourced telemetry to build live traffic from. If your commute depends on dodging a jam in real time, this is not your daily driver. That is a principled trade-off, and you should go in knowing what it costs.
The Outdoors Case
This is CoMaps’ strongest argument. Contour lines, marked trails, campsites, and water sources in a free, offline package compete directly with apps that charge yearly for the same data. OpenStreetMap’s coverage of trails is often excellent because the people who map them are the people who hike them, and CoMaps puts that work in front of you without a paywall.
GPS track recording with import and export makes the app useful both before and after a trip. You can load a GPX file from a planning tool, follow it on the trail, and export the route you actually walked. Data flowing both ways like this is what separates a utility from a walled garden.
The Editor and the Commons
The built-in OpenStreetMap editor is the most philosophically interesting feature here. Find a closed café or a missing trailhead and you can fix it on the spot, and the fix benefits every app built on OSM, not just CoMaps. Most users will never touch it. The ones who do are the reason the map is good, and making that contribution accessible from a phone is smart community design.
Privacy as a Feature, Not a Footnote
It’s tempting to treat “no tracking” as a checkbox. Here it has practical effects. With no account, there’s no onboarding funnel. Without ads, nothing competes with the map for screen space. Since no data is collected, nobody has a reason to manipulate your search results. The design is calmer because nobody is trying to monetize the session.
Visuals & performance
CoMaps looks functional, not luxurious. The OSM-derived cartography is dense and legible, with good attention to footpaths and terrain, but it doesn’t aim for Apple Maps’ polish or Google’s smooth zoom transitions. You won’t find satellite imagery or street-level photography. The styling serves wayfinding rather than spectacle, and for a navigation tool that’s the right priority.
The interface changes from Organic Maps read as cleaner and more deliberate than its predecessor. Menus are flat and predictable. Some advanced options, like track management and bookmark organization, take a few more taps than they should, but nothing is hidden behind gestures you’d never find.
By design, CoMaps should be light on hardware: a 2D offline app with compact map files has modest demands on storage, battery, and processing, and that frugality is a feature for long days out where charging isn’t an option.
Platform nuances
iOS: CoMaps fits naturally on iPhone, and Apple CarPlay support makes it a credible in-car navigator for drivers who want to keep their trips private. iPad gives trip planning a much-needed larger canvas, and the Mac build lets you prepare bookmarks and routes at a desk.
Android: Android is CoMaps’ natural home in spirit. Distribution through F-Droid alongside Google Play matters to its core audience, since users can run a fully open-source navigation stack without Google’s store involved at all. The trade-offs covered above — offline-first search and limited routing options — apply equally on both platforms. Touch controls are standard pinch-and-pan.
A Linux build on Flathub rounds out an unusually broad platform list for a community project.
Final verdict
CoMaps doesn’t try to be everything, and that restraint is its strength. As an offline navigator it is light and dependable. As an outdoor tool it delivers data that competitors charge for. As a privacy product it is about as clean as navigation gets.
The gaps are real. Waypoint navigation and route reversal are basic needs, not edge cases, and the download-before-search rule will frustrate anyone used to Google’s browse-anywhere model. Daily commuters who rely on live traffic should keep another app around.
For hikers, travelers off the grid, and anyone leaving Big Maps on principle, we recommend it. It’s free, it respects your time and your data, and its governance model gives reason to believe it will stay that way.
Reviewed by the Rankeno Productivity Desk. Scores are out of 10; the overall score is the desk’s editorial judgement, informed by the four sub-scores above. How we review