Comparison

GR11 vs Sailing Master M

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

Head to head
About

GR11

Features
Read full description

GR11 is a long distance route located in the Spanish Pyrenees. The route goes from the Atlantic Ocean to the Mediterranean Sea crossing the whole Pyrenean mountain range. Although there are stretches where signposting is scarce, the route is marked with the typical paintings of the GR paths, two horizontal stripes, one white and the other red. The route passes almost every day through some small town and there is plenty mountain refuges allows, if you want, to sleep every day in a accommodation. To fully enjoy it is advisable to travel autonomously with some kind of tent. From small mountain villages to the splendor of the natural parks of the Pyrenees, the GR11 is an unforgettable experience. "Digital Hiking Guide" is the proposal of **HIKEORAMA** as an assistant in long distance routes. It includes in a single application all the necessary information in your routes. Maps, meteorology and information of all the points that you will find along the way. All this presented in the most accessible possible way. It will allow you to position yourself on the route and will help you to take better decisions. Summary: ATM 13 Accommodation 48 Camp spot 258 Camping 15 Contact 52 Credit card 15 Difficult section 1 Electric connection 5 Food store 38 Garbage 46 Hut 48 Mountain pass 4 Natural pool 16 Natural shelter 5 Outfitter 3 Pharmacy 7 Phone signal 58 Picnic area 24 Post office 6 Public transport 15 Restaurant 40 Roof 38 Sign post 479 Source 149 Stream 306 Toilet 15 Tourism office 12 WIFI 2

About

Sailing Master M

This app provides comprehensive sailing data and performance optimization on various Apple devices. It displays over 35 sailing measurements from boat instruments, polars tables, and nautical charts, offering detailed wind, route, and map views. Connectivity is established through NMEA 0183 Wi-Fi gateways.

Highlights
  • Configurable data displays
  • 35+ sailing measurements
  • Wind, route, and map displays
  • NMEA 0183 Wi-Fi connectivity
  • Polars table integration
  • Nautical chart overlays
Features
Read full description

Sailing Master M offers comprehensive sailing data and performance optimization information on iPhones, iPads, iWatches, and ActiveLook smart glasses. The application provides configurable pages and data displays, utilizing over 35 sailing measurements from the boat’s instruments, polars tables, and nautical charts. On phones and pads, the Data and Analog Displays can include minimum and maximum values and time series graphs. The Wind Display provides wind, heading, route, and speed information. The Route Display shows the expected wind conditions on the next legs. The Map Display shows the vessel with direction, tacking and downwind laylines on a nautical chart, or the wind laylines in another location. The connectivity is through NMEA 0813 Wi-Fi gateways such as B&G Vulcan, Zeus, GoFree, Yacht Devices, Signal K, Actisense, and ShipModul. The application has evolved from its initial focus on NMEA data display to encompass a comprehensive suite of features. Consequently, the app’s name has been revised from 'Display0183M' to 'Sailing Master M'. For further information, please refer to the user’s guide available on the app’s website or within the app itself. Terms of use: The app is delivered under the Apple End User License Agreement (EULA, https://www.apple.com/legal/internet-services/itunes/dev/stdeula/) The following libraries and services are used: - Kitura/BlueSocket, published under the Apache 2.0 license - A modified version of GPX package, published under BSD 3-Clause License and copyrighted by Ioannis Silks - OpenStreetMap licensed under the Open Data Commons Open Database License (ODbL, https://opendatacommons.org/licenses/odbl/) by the OpenStreetMap Foundation Licence, and ©OpenStreetMap contributors. OpenSeaMap, which is licensed under the Open Data Commons (ODbL) license, and ©OpenSeaMap contributors The supported NMEA 0183 sentences are: - BWR: Bearing and distance to waypoint - DBS: Depth below surface - DBT: Depth below transducer. - DPT: depth of water. - CGA: Global Positioning System Fix data - GLL: Geographic position Latitude/Longitude - HDG: Heading magnetic - HDM: Heading magnetic - HDT: Heading true - MWD: undocumented, wind direction, wind speed - MTW: water temperature °C - MWV: Wind speed and angle (A,T) - RMB: XTE, range to destination, bearing to destination, destination closing velocity . - RMC: Speed over ground - RSA: Rudder sensor angle - VHW: Water speed and heading - VLW: Distance travelled through water - VPW: Speed - measured parallel to wind - VTG: Course over ground (T or M), speed over ground - VWR: Wind direction (A), wind speed (A) - WCV: Waypoint closure velocity - XDR: air temperature (°C), water temperature (°C) and barometric pressure (mbar). - XTE: Cross track error The data items from NMEA and polars are: - Waypoint bearing - Waypoint distance - Time to Waypoint - VMG waypoint - Cross track error - Depth - Heading - Heading - Course - Course - Water speed - Speed over ground - Water temperature - Air temperature - Air pressure - Wind speed apparent - Wind angle apparent - Wind speed true - Wind direction - Wind direction - VMG Wind - Latitude, Longitude - Waypoint laititude, longitude - Water Distance after reset - Total water distance - Ground distance after reset - Total ground distance - Velocity made good towards wind - Heel - Rudder - Boat target speed through the water - Boat speed of target speed (%) - Beat VMG boat target speed through the water - Run VMG boat target speed through the water - GPS based trip distance - Leeway

Screenshots

GR114 screens
Sailing Master M4 screens

Verdict

The call

The clearest difference is price: Sailing Master M at Free against GR11's $14.99. Sailing Master M also leads on update cadence (every 2 months vs every 5 months). GR11's advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 17). On ads 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

Sailing Master M is free to download; GR11 costs $14.99 up front. Sailing Master M sells 1 in-app purchase, starting at $11.99 per year. GR11 asks for nothing beyond the download.

UpkeepUpdate frequency

GR11 ships an update every 5 months, Sailing Master M every 2 months. The most recent releases landed on August 27, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 5 level
GR11 versus Sailing Master M: the parameters behind the verdict, then further details
ParameterGR11Sailing Master M
Price$14.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS14.0 — better17
Further details — not scored
Size14 MB26 MB
Age rating4+4+
DeveloperJorge Rodriguez-Flores EsparzaPekka Leppanen

In-app purchases

None

GR11

No in-app purchases

1 purchases

Sailing Master M

Subscriptions1
  • Pro annual14 Days trial$11.991 Year

Questions

Is GR11 free?
GR11 costs $14.99, with no in-app purchases.
Is Sailing Master M free?
Sailing Master M is free to download, with in-app purchases available.
Do GR11 or Sailing Master M have ads?
Neither GR11 nor Sailing Master M shows ads.
Which is updated more often, GR11 or Sailing Master M?
GR11 ships an update every 5 months, and Sailing Master M every 2 months. Most recently, GR11 was updated on August 27, 2026 and Sailing Master M on September 9, 2026.

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