OSM sketch vs Map Paint
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Draw on OSM maps
- Save drawings as GPX
- Upload to OSM account
- Multi-touch gestures
- Display current location
- Zoom and scroll map
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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.
Map Paint
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It is an application that you can paint on the map Note The position of the map may shift slightly when reloading the saved data The map when edited is slightly different from the imaged map Mercator projection enlarges the map at high latitudes, so areas with different latitudes cannot be compared correctly
Screenshots
Verdict
The clearest difference is price: OSM sketch at Free against Map Paint's $0.99. OSM sketch also leads on update cadence (every 4 months vs every 37 months). Map Paint's advantage is ads (none vs shown) and iOS requirement (14.0 vs 16.6). On in-app purchases and device support 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
OSM sketch is free to download; Map Paint costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OSM sketch ships an update every 4 months, Map Paint every 37 months. The most recent releases landed on July 2, 2026 and August 27, 2026 respectively.
| Parameter | OSM sketch | Map Paint |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 37 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaki Fujimoto | Kouichi INAFUKU |
In-app purchases
OSM sketch
No in-app purchases
Map Paint
No in-app purchases









