DistanceSurvey vs Map Chart Mosaic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Distance measurement using GPS
- Distance measurement using compass
- Manual baseline stepping for short distances
- Triangulation for accurate measurements
- Display GPS coordinates and address
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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.
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.
- 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)
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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
Verdict
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
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.
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.
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.
| Parameter | DistanceSurvey | Map Chart Mosaic |
|---|---|---|
| Price | $0.99 — better | $3.99 |
| Rating | 1.0 (1 ratings) | 2.6 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 20 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #181 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | domesticusdevelop | AppMosaic.com |
Customer experience
DistanceSurvey
Map Chart Mosaic
In-app purchases
DistanceSurvey
No in-app purchases
Map Chart Mosaic
No in-app purchases
Questions
Is DistanceSurvey free?
Is Map Chart Mosaic free?
Which has better reviews, DistanceSurvey or Map Chart Mosaic?
Do DistanceSurvey or Map Chart Mosaic have ads?
Which is updated more often, DistanceSurvey or Map Chart Mosaic?
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