Comparison

DistanceSurvey vs Map Chart Mosaic

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

Head to head
About

DistanceSurvey

Measure distances to objects using your phone's GPS, compass, and manual stepping. Ideal for situations where traditional measurement tools are impractical. Also displays your current coordinates and address.

Highlights
  • Distance measurement using GPS
  • Distance measurement using compass
  • Manual baseline stepping for short distances
  • Triangulation for accurate measurements
  • Display GPS coordinates and address
Features
Read full description

Use your phone to calculate the distance to an object in sight, where it is not practical to measure in other ways. For long distances using GPS to determine an appropriate baseline and then triangulate with the built-in compass. For short distances by stepping an appropriate baseline and then triangulate using the compass. You can also check your long/lat and address.

About

Map Chart Mosaic

Access detailed topographic, satellite, and weather forecast maps offline on your iPhone and smartwatch. Plan routes, record GPS tracks, and share your journey data. View maps without an internet connection.

Highlights
  • Offline topographic and satellite maps
  • GRIB weather forecast maps
  • Cycle and hiking trail maps
  • Smartwatch map support (Apple Watch, Fitbit, Garmin, Amazfit)
  • Add map markers and travel routes
  • Record GPS tracks and share as GPX
  • GPS travel information (speed, ETA)
Features
Currently charting
Read full description

Offline maps for iPhone, Apple Watch, Fitbit, Garmin or Amazfit smartwatch: topographic maps, satellite images, GRIB weather forecast maps and road maps with cycle and hiking trails. Nautical charts are currently only for USA and Canada available. Please watch the video and read the FAQ: http://www.MapChartMosaic.com/ Switch seamlessly between maps from different sources to get detailed information about a location. Map views are automatically stored in an offline cache on your phone, so that you can view them later without an internet connection. Download offline maps to Apple Watch or Fitbit smart watch and view them without connection to your phone. Add map markers and travel routes to the offline maps (e.g. your current car parking location). Create map travel routes. Record your GPS Track. Share map marker, route and track data as GPX files. Get GPS travel info: speed, course, odometer, route ETA (estimated time of arrival)... Get GRIB weather forecast maps via Internet download, Email or Iridium Go satellite connection. You can display the maps also on the Fitbit smart watch. But please don't expect the same maps app performance on the Fitbit as on a phone. The Fitbit is very slow and has very limited space. The Fitbit phone app "Sync" step, shown in the video, is very important. Don't skip it and make sure that the watch app Map Chart is closed during the Sync. DISCLAIMER Do NOT use the app for navigation or any other purpose that may result in personal injury or property damage. Use it at your own risk.

Screenshots

DistanceSurvey3 screens
Map Chart Mosaic4 screens

Verdict

The call

The clearest difference is rating: Map Chart Mosaic at 2.6 against DistanceSurvey's 1.0. Map Chart Mosaic also leads on update cadence (every 5 weeks vs every 20 months) and chart position (#181 vs unranked). DistanceSurvey's advantage is price ($0.99 vs $3.99). On review sentiment, 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

DistanceSurvey costs $0.99 and Map Chart Mosaic $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Map Chart Mosaic holds the better App Store score, 2.6 against 1.0. That said, the two scores are not equally well evidenced: Map Chart Mosaic has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

DistanceSurvey ships an update every 20 months, Map Chart Mosaic every 5 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 5 level
DistanceSurvey versus Map Chart Mosaic: the parameters behind the verdict, then further details
ParameterDistanceSurveyMap Chart Mosaic
Price$0.99 — better$3.99
Rating1.0 (1 ratings)2.6 (5 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings15 — better
Update frequencyEvery 20 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#181 — better
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.6
Further details — not scored
Size1 MB39 MB
Age rating4+4+
DeveloperdomesticusdevelopAppMosaic.com

Customer experience

DistanceSurvey

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Map Chart Mosaic

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

DistanceSurvey

No in-app purchases

None

Map Chart Mosaic

No in-app purchases

Questions

Is DistanceSurvey free?
DistanceSurvey costs $0.99, with no in-app purchases.
Is Map Chart Mosaic free?
Map Chart Mosaic costs $3.99, with no in-app purchases.
Which has better reviews, DistanceSurvey or Map Chart Mosaic?
Map Chart Mosaic is rated higher. DistanceSurvey averages 1.0 out of 5 from 1 ratings, while Map Chart Mosaic averages 2.6 from 5 ratings.
Do DistanceSurvey or Map Chart Mosaic have ads?
Neither DistanceSurvey nor Map Chart Mosaic shows ads.
Which is updated more often, DistanceSurvey or Map Chart Mosaic?
DistanceSurvey ships an update every 20 months, and Map Chart Mosaic every 5 weeks. Most recently, DistanceSurvey was updated on October 20, 2026 and Map Chart Mosaic on October 16, 2026.

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