Comparison

OSM sketch vs OpenMaps

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

Head to head
About

OSM sketch

Draw directly on OpenStreetMap maps to create annotations and memos. Save your drawings as GPX files to upload and edit on desktop OSM editors. Ideal for planning routes or marking points of interest on the go.

Highlights
  • Draw on OSM maps
  • Save drawings as GPX
  • Upload to OSM account
  • Multi-touch gestures
  • Display current location
  • Zoom and scroll map
Read full description

For OpenStreetMap(OSM) mapping, drawing your memo on paper printed the OSM map is good solution. You can describe on the paper anything e.g. Line, words, arrow, symbol and illustration. "OSM sketch" realize such paper mapping on iPhone. You can draw on OSM map anything you want to memo anywhere, anytime without printing beforehand. Operation is easy and optimized for small screen. Multi touch operation ,scroll and zoom, can be executed also during "drawing mode" so you can pull new canvas out quickly. To display current location and zoom in/out map support your mapping and these function are difficult for paper. The drawn line exchange into GPX file and upload to your OSM account page. You can open the GPX file by PC OSM editor(iD, Potlatch2 and JOSM) and edit OSM data based on your lines when you return your home.

About

OpenMaps

Access detailed, open-source topographic maps for all your outdoor adventures. Plan hikes, discover trails, and navigate with confidence using community-driven data from OpenStreetMap.

Highlights
  • Detailed topographic maps
  • OpenStreetMap (OSM) data
  • Live tile mapping
  • Route planning
  • Community-driven data
  • Offline map access (implied by planning/navigation)
Features
Read full description

OpenMaps turns your iPhone, Apple Watch and Mac into a complete outdoor and marine navigation kit — powered by free, community-sourced OpenStreetMap data. OUTDOOR & MARINE IN ONE APP Switch between an Outdoor profile (hiking, trekking, mountain biking, trail running) and a Marine profile with OpenSeaMap nautical overlays — buoys, lighthouses, depths and harbours. One app for the trail and the water. WORKS WHERE THERE'S NO SIGNAL Topographic tiles are cached on device and can be pre-downloaded, so your map keeps working deep in the mountains or offshore where there's no connection. EVERYTHING YOU NEED OUTDOORS • 6 open-source topographic & nautical map styles • Draw routes tap-by-tap with live distance & elevation • Turn-by-turn directions with haptic guidance • Import and export Garmin FIT files, plus GPX • Find nearby POIs: refuges, water, peaks, marinas, fuel and more • Built-in tools: compass, altimeter, sunrise/sunset, coordinates • Live weather, wind and conditions for your location ON YOUR WRIST & ON YOUR DESK • Apple Watch app: record workouts with HealthKit, standalone map, Digital Crown zoom, Always-On mode and on-wrist route navigation • Watch complications & widgets: altimeter, nearest POI, live workout, weather • Mac app: menu bar access, Spotlight search and Quick Look map previews OPENMAPS PRO Remove all ads and support development. One subscription covers iPhone, Apple Watch and Mac. • Monthly — €1.99 / month • Yearly — €9.99 / year Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Payment is charged to your Apple ID on confirmation. Manage or cancel anytime in iOS Settings → Apple ID → Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacypolicyhub.vercel.app/openmaps/en

Screenshots

OSM sketch3 screens
OpenMaps4 screens

Verdict

The call

The clearest difference is review sentiment: OSM sketch at 100% against OpenMaps's 10%. OSM sketch also leads on rating (4.5 vs 3.9) and in-app purchases (none vs 2). OpenMaps's advantage is update cadence (every 2 months vs every 4 months) and ratings volume (16 vs 2). On price and ads 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. OpenMaps sells 2 in-app purchases, starting at $3.99 per month. OSM sketch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OSM sketch holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: OpenMaps has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of OSM sketch's written reviews are positive against 10% of OpenMaps's.

UpkeepUpdate frequency

OSM sketch ships an update every 4 months, OpenMaps every 2 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard8 real differences · 2 level
OSM sketch versus OpenMaps: the parameters behind the verdict, then further details
ParameterOSM sketchOpenMaps
PriceFreeFree
Rating4.5 (2 ratings) — better3.9 (16 ratings)
Positive reviews100.0% of reviews — better9.7% of reviews
Number of ratings216 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS16.6 — better18.0
Further details — not scored
Size8 MB21 MB
Age rating4+4+
DeveloperMasaki FujimotoImmaginet Srl

Customer experience

OSM sketch

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OpenMaps

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews62 reviews
Positive9.7%
Neutral9.7%
Negative80.6%

In-app purchases

None

OSM sketch

No in-app purchases

2 purchases

OpenMaps

Subscriptions2
  • OpenMaps Pro Monthly$3.991 Month
  • Open Maps Pro Yearly Plan$22.991 Year

Questions

Is OSM sketch free?
OSM sketch is free to download, with no in-app purchases.
Is OpenMaps free?
OpenMaps is free to download, with in-app purchases available.
Which has better reviews, OSM sketch or OpenMaps?
OSM sketch is rated higher. OSM sketch averages 4.5 out of 5 from 2 ratings, while OpenMaps averages 3.9 from 16 ratings.
Do OSM sketch or OpenMaps have ads?
Both OSM sketch and OpenMaps show ads.
Which is updated more often, OSM sketch or OpenMaps?
OSM sketch ships an update every 4 months, and OpenMaps every 2 months. Most recently, OSM sketch was updated on November 1, 2026 and OpenMaps on November 5, 2026.

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