Comparison

WatchMate vs Anchor & Course

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

Head to head
About

WatchMate

This app provides remote control and situational awareness for your Vesper Marine AIS Transponder. View AIS targets, manage alarms, and control transponder settings directly from your mobile device.

Highlights
  • View AIS targets
  • Manage collision prevention alarms
  • Control Anchor Watch alarm
  • View GPS position, course, and speed
  • Remote control transponder settings
  • Configure vessel AIS static data
  • Perform firmware upgrades
Read full description

The WatchMate App connects with your Vesper Marine AIS Transponder to place remote control functionality and situational awareness in the palm of your hand on your iPhone or on your iPad. The WatchMate App becomes the user interface for configuring and remote control of your Vesper Marine AIS Transponder, especially where it does not have its own display such as the Vesper Marine XB-8000. - View AIS Targets received by your Vesper Marine AIS Transponder. - Setup and manage collision prevention alarm profiles. - Manage your MOB alarms. - Control and view your Anchor Watch alarm. - View your AIS Transponder's own GPS Position, Course and Speed. - Check the operational status of your AIS Transponder. - Remote control of your AIS Transponder settings. - Switch easily between Silent Mode and Normal Transmitting mode. - Configure your Vessel's AIS Static data. (MMSI, Call Sign, Vessel Type, Vessel Size) - Perform firmware upgrades. Connects to your WatchMate device's WIFI access point or by being on the same wifi network. - Supports Vesper Marine XB-8000 AIS Transponder. - Supports Vesper Marine WatchMate Vision®. The complex nature of our innovative WatchMate App makes coding mishaps difficult to eliminate despite the superhuman efforts of our developers so please remember Vesper Marine does not warrant that this product is error-free. As the adventurous user it's your job to exercise common sense and the best navigational judgement you can muster. Although we think the WatchMate App is awesome nothing beats using all your human senses, so best you still rely on these at least as much as you rely on the WatchMate App for making navigational safety decisions. Our advice is; even with the WatchMate App it’s still a clever idea to maintain a permanent watch and use more than one aid for navigation.

About

Anchor & Course

Features
Read full description

Main features are listed below. For Anchoring: • set the sae area for your anchoring. Adjust flexible shape (not just a circle) • raise an alarm if your boat leave the safe area • check the wind and weather forecast for given anchoring point • set and adjust the safe area manually, without map’s support in areas with no internet access For Course tracking: set the straight course to the desired destination (not straight on a map, but really straight) set the acceptable track threshold, within which the course is considered OK raise an alarm if boat leaves behind the set threshold, meaning the course is lost manually set and adjust the course destination point, with no internet access needed For the communication: • check remotely the boat’s position in anchoring mode. What is needed: • Anchor & Course application installed on your and remote devices • users logged in on both devices • remote users added to the list of accepted users on each device (to achieve both way data exchange) • data is sent only between two devices and temporarily displayed on the second device. • data is not stored anywhere and is lost once the user closes the app. Celestial Navigation in Your Pocket Determine your approximate global position using just your phone—no GPS or cellular connection required! Perfect for navigation enthusiasts, educational purposes, and survival practice. Key Features: • Calculate your approximate position completely offline. • Take multiple measurements to improve your probable location calculation. • Enter manual values to bypass phone sensor limitations. IMPORTANT ACCURACY DISCLAIMER: Please note that a smartphone is not a professional optical sextant. Expect an accuracy margin of roughly 20 to 150 km. This tool is for educational and recreational use only and should NEVER be relied upon for critical navigation. > Inaccuracies are a natural result of: • Smartphone sensor noise (magnetometer and accelerometer limitations). • Variations in the Earth's magnetic field and declination. • Atmospheric refraction affecting the perceived altitude of celestial bodies. Standard Apple Terms of Use (EULA) apply (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

Screenshots

WatchMate4 screens
Anchor & Course4 screens

Verdict

The call

The clearest difference is in-app purchases: WatchMate at none against Anchor & Course's 7. WatchMate also leads on iOS requirement (13.0 vs 18.2). Anchor & Course's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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

Both are free to download. Anchor & Course sells 7 in-app purchases, starting at $1.99 per month. WatchMate asks for nothing beyond the download.

UpkeepUpdate frequency

WatchMate ships an update every 2 months, Anchor & Course every 3 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
WatchMate versus Anchor & Course: the parameters behind the verdict, then further details
ParameterWatchMateAnchor & Course
PriceFreeFree
Rating3.5 (11 ratings) — better—
Positive reviews44.4% of reviews—
Number of ratings11 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.2
Further details — not scored
Size14 MB30 MB
Age rating4+4+
DeveloperGarmin New Zealand LtdMichal Sidorczyk

In-app purchases

None

WatchMate

No in-app purchases

7 purchases

Anchor & Course

Subscriptions3
  • Full access 1 month$1.991 Month
  • Full access 6 months$9.996 Months
  • Full access 1 year$14.991 Year
One-time4
  • 1-Month Access (One-Time)$2.99
  • 6-Months Access (One-Time)$12.99
  • 1-Year Access (One-Time)$17.99
Show 1 more
  • Lifetime Full Access$49.99

Questions

Is WatchMate free?
WatchMate is free to download, with no in-app purchases.
Is Anchor & Course free?
Anchor & Course is free to download, with in-app purchases available.
Do WatchMate or Anchor & Course have ads?
Neither WatchMate nor Anchor & Course shows ads.
Which is updated more often, WatchMate or Anchor & Course?
WatchMate ships an update every 2 months, and Anchor & Course every 3 weeks. Most recently, WatchMate was updated on June 1, 2026 and Anchor & Course on September 10, 2026.

Other comparisons