Comparison

CoMaps vs OpenBirding

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CoMaps

Navigate your world with a free, open-source mapping application focused on privacy and offline functionality. Discover detailed maps, plan trips without cellular service, and enjoy essential navigation features. It's community-built and respects your data.

Highlights
  • Downloadable detailed maps
  • Offline navigation
  • Outdoor mode with trails
  • Points of interest search
  • Voice navigation
  • Bookmark favorite places
  • Track recording
Features
Read full description

A community-led free & open source maps app based on OpenStreetMap data and reinforced with commitment to transparency, privacy and being not-for-profit. ‣ Simple and Polished: essential easy to use features that just work. ‣ Offline-focused: Plan and navigate your trip abroad without the need for cellular service, search waypoints while on a distant hike, etc. All app functions are designed to work offline. ‣ Respecting Privacy: The app is designed with privacy in mind - does not identify people, does not track, and does not collect personal information. Ads-free. ‣ Saves Your Battery and Space: Doesn’t drain your battery like other navigation apps. Compact maps save precious space on your phone. ‣ Free and Built by the Community: People like you helped build the app by adding places to OpenStreetMap, testing and giving feedback on features and contributing their development skills and money. ‣ Open and Transparent Decision-making and Financials, Not-for-profit and Fully Open Source. Main Features: • Downloadable detailed maps with places which are not available in many commercial maps • Outdoor mode with highlighted hiking trails, campsites, water sources, peaks, contour lines, etc • Walking paths and cycleways • Points of interest like restaurants, gas stations, hotels, shops, sightseeings and many more • Search by name or an address or by point of interest category • Navigation with voice announcements for walking, cycling, or driving • Bookmark your favorite places with a single tap • iCloud sync for your bookmarks and tracks • Offline Wikipedia articles • Subway transit layer and directions • Track recording • Export and import bookmarks and tracks in KML, KMZ, GPX formats • A dark mode to use during the night • Improve map data for everyone using a basic built-in editor • CarPlay support Freedom Is Here Discover your journey, navigate the world with privacy and community at the forefront!

About

OpenBirding

Discover birding locations with this app, featuring offline maps and eBird life list integration. Save favorite spots and custom locations for easy access, all within a clean design tailored for birdwatchers.

Highlights
  • OpenStreetMap base map
  • Offline hotspot packs
  • eBird life list import
  • Save favorite hotspots
  • Save custom locations
  • Intuitive design for birders
Features
Read full description

Find your next birding destination with OpenBirding, a simple and easy way to explore hotspots anywhere you go. Whether traveling or birding locally, everything you need is right in your pocket. FEATURES - OpenStreetMap base map with excellent trail and outdoor coverage - Download hotspot packs for offline use (map tiles may still require internet unless previously cached) - Import your eBird life list to view target species at any hotspot (works entirely offline) - Save your favorite hotspots and add notes - Save custom locations - Filter by hotspots by target species richness - Clean, intuitive design built specifically for birders - Hotspot data provided by eBird.org

Screenshots

CoMaps4 screens
OpenBirding4 screens

Verdict

The call

The clearest difference is rating: OpenBirding at 5.0 against CoMaps's 4.7. OpenBirding also leads on review sentiment (100% vs 80%) and update cadence (weekly vs fortnightly). CoMaps's advantage is ratings volume (136 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OpenBirding holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CoMaps has 136 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 80% of CoMaps's written reviews are positive against 100% of OpenBirding's.

UpkeepUpdate frequency

CoMaps ships an update fortnightly, OpenBirding weekly. The most recent releases landed on September 25, 2026 and June 30, 2026 respectively.

Scorecard4 real differences · 6 level
CoMaps versus OpenBirding: the parameters behind the verdict, then further details
ParameterCoMapsOpenBirding
PriceFreeFree
Rating4.7 (136 ratings)5.0 (4 ratings) — better
Positive reviews80.1% of reviews100.0% of reviews — better
Number of ratings136 — better4
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size148 MB89 MB
Age rating4+4+
DeveloperAnton WenemoserAdam Jackson

Customer experience

CoMaps

All ratings136 ratings
Positive91.2%
Neutral4.4%
Negative4.4%
Written reviews156 reviews
Positive80.1%
Neutral10.3%
Negative9.6%

OpenBirding

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

CoMaps

Reported bugs

2 issues
  • Unable to find known locations and addresses
  • Incorrect search results for distant locations

Requested features

3 requests
  • Add ability to read GPX files and compute distances
  • Add option to display elevations in feet
  • Improve search functionality to include parks and trails

OpenBirding

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CoMaps

No in-app purchases

None

OpenBirding

No in-app purchases

Questions

Is CoMaps free?
CoMaps is free to download, with no in-app purchases.
Is OpenBirding free?
OpenBirding is free to download, with no in-app purchases.
Which has better reviews, CoMaps or OpenBirding?
OpenBirding is rated higher. CoMaps averages 4.7 out of 5 from 136 ratings, while OpenBirding averages 5.0 from 4 ratings.
Do CoMaps or OpenBirding have ads?
Neither CoMaps nor OpenBirding shows ads.
Which is updated more often, CoMaps or OpenBirding?
CoMaps ships an update fortnightly, and OpenBirding weekly. Most recently, CoMaps was updated on September 25, 2026 and OpenBirding on June 30, 2026.

Other comparisons