Comparison

OSM sketch vs OsmoTagger

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

OsmoTagger

Features
Read full description

OsmoTagger is an innovative open-source OpenStreetMap (OSM) editing app, licensed under GPLv3, that enables you to conveniently edit OSM maps right from your mobile device. With OsmoTagger, you can quickly download any map area, add new points, and edit tags for points, lines, and polygons without needing to remember specific tags for each object type, thanks to integrated JOSM presets. Key Features: - Efficient OSM map editing from your phone or tablet - Integrated JOSM presets for hassle-free point, line, and polygon tagging - Add and update points, lines, and polygons with custom tags - Easily download and edit specific map areas - Seamless syncing with OpenStreetMap database - Open-source and GPLv3 licensed – designed for cartographers and map enthusiasts Take your OSM editing experience to the next level with OsmoTagger. Get started today!

Screenshots

OSM sketch3 screens
OsmoTagger4 screens

Verdict

The call

The clearest difference is ads: OsmoTagger at none against OSM sketch's shown. OSM sketch's advantage is update cadence (every 4 months vs every 7 months). On price, in-app purchases, device support and iOS requirement 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.

UpkeepUpdate frequency

OSM sketch ships an update every 4 months, OsmoTagger every 7 months. The most recent releases landed on November 1, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
OSM sketch versus OsmoTagger: the parameters behind the verdict, then further details
ParameterOSM sketchOsmoTagger
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.2 — better
Further details — not scored
Size8 MB95 MB
Age rating4+17+
DeveloperMasaki FujimotoEvgen Bodunov

In-app purchases

None

OSM sketch

No in-app purchases

None

OsmoTagger

No in-app purchases

Questions

Is OSM sketch free?
OSM sketch is free to download, with no in-app purchases.
Is OsmoTagger free?
OsmoTagger is free to download, with no in-app purchases.
Do OSM sketch or OsmoTagger have ads?
OSM sketch shows ads; OsmoTagger does not.
Which is updated more often, OSM sketch or OsmoTagger?
OSM sketch ships an update every 4 months, and OsmoTagger every 7 months. Most recently, OSM sketch was updated on November 1, 2026 and OsmoTagger on October 11, 2026.

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