Comparison

OSM sketch vs Map Stretch

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

Map Stretch

Overlay custom images onto interactive maps to navigate using your device's GPS and compass. Record, edit, and share your routes and drawings. Access hundreds of public maps from the National Park Service and other users.

Highlights
  • Overlay custom images onto interactive maps
  • Navigate with GPS and compass
  • Record, edit, and share routes
  • Access public National Park Service maps
  • Import/export maps in KML/KMZ formats
Features
Read full description

View hundreds of public maps from the National Park Service and other users. Can't find a map? Stretch your own image onto the interactive map, then use your compass and GPS to navigate with ease. Map Stretch features an easy to use interface with no hassles or hidden fees of any kind, EVER! Map Stretch now features GPS tracking to record your route. Tracks and drawings can be easily edited, saved and shared with others. A Quick Overlay Example: You are handed a brochure with a map highlighting interesting places to visit... With Map Stretch, you can: - Find that someone has already stretched and shared the map from your brochure and add it to your map with a single tap. OR - Snap a photo of the map in the brochure. - Stretch it to match the map on your phone. - Know exactly where you are (and which direction you are facing) on the brochure map at all times. Details: + Map Stretch is completely free and requires no login or registration. + Sharing your stretched photos is optional and is done anonymously. + Map Stretch Lines and Overlays can be imported and exported in Google Earth kml and kmz formats.

Screenshots

OSM sketch3 screens
Map Stretch3 screens

Verdict

The call

The clearest difference is ads: Map Stretch at none against OSM sketch's shown. Map Stretch also leads on update cadence (every 5 days vs every 4 months) and monetization model (free vs ad-supported). OSM sketch's advantage is review sentiment (100% vs 78%) and rating (4.5 vs 4.2). On price, 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

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

OSM sketch holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Map Stretch has 10 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 78% of Map Stretch's.

UpkeepUpdate frequency

OSM sketch ships an update every 4 months, Map Stretch every 5 days. The most recent releases landed on September 19, 2026 and October 17, 2026 respectively.

Scorecard7 real differences · 3 level
OSM sketch versus Map Stretch: the parameters behind the verdict, then further details
ParameterOSM sketchMap Stretch
PriceFreeFree
Rating4.5 (2 ratings) — better4.2 (10 ratings)
Positive reviews100.0% of reviews — better77.8% of reviews
Number of ratings210 — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.613.0 — better
Further details — not scored
Size8 MB27 MB
Age rating4+4+
DeveloperMasaki FujimotoWalk About Apps

Customer experience

OSM sketch

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

Map Stretch

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews9 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

In-app purchases

None

OSM sketch

No in-app purchases

None

Map Stretch

No in-app purchases

Questions

Is OSM sketch free?
OSM sketch is free to download, with no in-app purchases.
Is Map Stretch free?
Map Stretch is free to download, with no in-app purchases.
Which has better reviews, OSM sketch or Map Stretch?
OSM sketch is rated higher. OSM sketch averages 4.5 out of 5 from 2 ratings, while Map Stretch averages 4.2 from 10 ratings.
Do OSM sketch or Map Stretch have ads?
OSM sketch shows ads; Map Stretch does not.
Which is updated more often, OSM sketch or Map Stretch?
OSM sketch ships an update every 4 months, and Map Stretch every 5 days. Most recently, OSM sketch was updated on September 19, 2026 and Map Stretch on October 17, 2026.

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