qtVlm

Meltemus SAS · Navigation

3.5 8 ratings Free

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What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 3.29 → 3.5
Aug 26, 2026
New version 5.12.2601 → 5.12.2701

Fix an issue with Alarms dialog

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 3.3 3.4 3.5 Aug 26 15:40 Aug 27 04:23 Aug 27 17:07 Aug 28 05:50 Aug 28 18:33

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About

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.

What's new · 5.12.2701

Fix an issue with Alarms dialog

Details

DeveloperMeltemus SAS
ReleasedJan 2016
UpdatedJun 2026
Version5.12.2701
Size103.6 MB
RequiresiOS 12.0 or later
Age rating4+
LanguagesEnglish, French, Italian, Portuguese, Spanish
PriceFree
Categories NavigationWeather
Bundle IDcom.meltemus.qtvlm