Version history
qtVlm
40
ASO score
Text
51/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
3.9
Votes
104
App Age
9y 11m
Last Update
Dec 02, 2025
iAP
$39.99 - 39.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
3.89
|
4.57
|
-15%
|
|
Number of Ratings (Voted)
|
104
|
266K
|
-100%
|
|
App Age
|
9y 11m
|
9y 2m
|
+8%
|
|
In-app Purchases Price
|
$50
|
$67
|
-25
%
|
|
Update Frequency
|
32d
|
62d
|
-48%
|
|
Title Length
|
5
|
22
|
-77%
|
|
Subtitle Length
|
30
|
24
|
+25%
|
|
Description Length
|
1 158
|
2 596
|
-55%
|
|
Number of Screenshots
|
2730
|
1456
|
+88
%
|
|
Size
|
93MB
|
221MB
|
-58
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 06, 2025 | Dec 13, 2025 |
|---|---|---|
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
5
of 30
)
qtVlm
Subtitle
(
Characters:
30
of 30
)
Navigation and weather routing
Description
(
Characters:
1158
of 4000
)
qtVlm is a navigation software for Sailing Boats. The application has a free version with basic features and a full version available through in-app purchase.
The free version of qtVlm is a full grib viewer displaying all types of gribs and providing many advanced grib functions. It supports basics charts and some simple instruments. It includes also an Anchor Alarm module, a viewer for shapefiles, for instance those coming from SHOM, and can be configured to receive boat position either from internal GPS or from an external NMEA source connected through tcp, udp or gpsd.
The full version adds many functions and features:
- Weather routing and route modules,
- A complete set of navigation Instruments,
- Charts modules for Raster charts, Vector charts (S57, S63 and CM93) and mbtiles,
- Support for Harmonic files (tides and currents),
- Iridium GO! communication
- AIS,
- Start line mode,
- Access to Great Circle gribs,
qtVlm can also be used in Simulation Mode, which allows you to simulate a navigation through our server. This is the best way to learn using qtVlm.
Once activated the full version will be available on all your iOS devices.}
Read more
Other
Additional Information
Version history
5.12.1904
Dec 02, 2025
Fix an issue when using main dashboard to activate next WP on a route
Reactivation of barriers contextual menu
5.12.1903
Nov 29, 2025
Add sound for MOB alarm and add MOB generation via NMEA message WPL (NKE)
Add possibility to send a NMEA message VWR (TWA/TWS) to NMEA outputs