Comparison

Watt And Sea vs Anchor & Course

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

Head to head
About

Watt And Sea

Monitor your hydrogenerator's performance in real-time. Connect via Bluetooth to view current, voltage, and status. Record and share data logs, and access a knowledge base for troubleshooting.

Highlights
  • Real-time data monitoring (current, voltage, status)
  • Bluetooth connectivity
  • Data logging and sharing
  • Access to knowledge database
  • Error status reporting
Features
Read full description

This app allows you to : * Connect to embedded Bluetooth module of the Watt And Sea hydrogenerator. * Monitor the data in real time (current, voltage, status and errors) * Record datalogs and share them by email to Watt And Sea support * Get access to our online knowledge database to troubleshoot frequent problems.

About

Anchor & Course

Features
Read full description

Main features are listed below. For Anchoring: β€’ set the sae area for your anchoring. Adjust flexible shape (not just a circle) β€’ raise an alarm if your boat leave the safe area β€’ check the wind and weather forecast for given anchoring point β€’ 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: β€’ check remotely the boat’s position in anchoring mode. What is needed: β€’ Anchor & Course application installed on your and remote devices β€’ users logged in on both devices β€’ remote users added to the list of accepted users on each device (to achieve both way data exchange) β€’ data is sent only between two devices and temporarily displayed on the second device. β€’ 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 phoneβ€”no GPS or cellular connection required! Perfect for navigation enthusiasts, educational purposes, and survival practice. Key Features: β€’ Calculate your approximate position completely offline. β€’ Take multiple measurements to improve your probable location calculation. β€’ 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: β€’ Smartphone sensor noise (magnetometer and accelerometer limitations). β€’ Variations in the Earth's magnetic field and declination. β€’ 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

Watt And Sea3 screens
Anchor & Course4 screens

Verdict

The call

The clearest difference is in-app purchases: Watt And Sea at none against Anchor & Course's 7. Watt And Sea also leads on iOS requirement (14.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard2 real differences Β· 6 level
Watt And Sea versus Anchor & Course: the parameters behind the verdict, then further details
ParameterWatt And SeaAnchor & Course
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.0 β€” better18.2
Further details β€” not scored
Size11 MB30 MB
Age rating4+4+
DeveloperMatthieu MichouMichal Sidorczyk

In-app purchases

None

Watt And Sea

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 Watt And Sea free?
Watt And Sea 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 Watt And Sea or Anchor & Course have ads?
Neither Watt And Sea nor Anchor & Course shows ads.
Which is updated more often, Watt And Sea or Anchor & Course?
Watt And Sea ships an update every 3 weeks, and Anchor & Course every 3 weeks. Most recently, Watt And Sea was updated on September 9, 2026 and Anchor & Course on September 10, 2026.

Other comparisons