ESA Coach vs BoatNotes Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESA Coach
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ESA Coach is the new app designed by Astra Yacht for sailing coaches, which allows you to monitor and analyze in real time the wind and current weather conditions, and to keep track of athletes' performance. Connect this App to the ESA Coach kit (https://www.astrayacht.com/prodotto/en/esa-coach/) and turn your iPhone / iPad into a perfect weather station. The ESA Coach kit consists of a control unit (integrated GPS and compass), a wind sensor and a current / speed sensor. The data processed by the sensors are immediately visible on your screen, allowing you to make the best decisions in training and racing. The ESA Coach app makes data available in various formats: - Map: for viewing the position and data in real time, setting the routes, creating events; - Wind history page: to view the wind data (intensity and direction) in real time and through graphs that record each variation; - Current history page: with automatic calculation of the current (intensity and direction) in real time and through graphs; - Current analysis page: makes it possible to calculate the current even in the absence of a speed sensor installed; - Real-time data summary page. The ESA Coach app allows you to easily and immediately calibrate the wind and current sensors installed on the boat. Thanks to the complete integration with the ESA Dinghy devices (https://www.astrayacht.com/en/schede/esa-dinghy/), all navigation data and trim of the boats on which the control unit is mounted, are immediately available on the your iPad (position, speed, heeling, attitude). You will thus be able to monitor the performance of your athletes in real time to refine their technique. Record all the data and review them at any time, for a perfect de-briefing! The additional functionality, designed for the Race Committees, allows you to set the race course and create events, in which more users can participate. It is therefore possible to view marine weather data simultaneously in multiple points of the course and monitor the wind trend during the race. Through the "route management" function it is possible to better position the waypoints, tracing the distance, the angle to the wind and the total length. Record the event and relive it whenever you want! Compatible with: - iPhone 5,6 - iPad Mini (all version) - iPad (all version) - iPad Air (all version)
BoatNotes Pro
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No more downloading photos & transcribing your scribbled notes after a long day on the water. Send a formatted report for Analysis.
Screenshots
Verdict
The clearest difference is price: ESA Coach at Free against BoatNotes Pro's $4.99. ESA Coach also leads on iOS requirement (15.6 vs 17.0). BoatNotes Pro's advantage is update cadence (every 3 days vs every 3 months). On ads, in-app purchases 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
ESA Coach is free to download; BoatNotes Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ESA Coach ships an update every 3 months, BoatNotes Pro every 3 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.
| Parameter | ESA Coach | BoatNotes Pro |
|---|---|---|
| Price | Free — better | $4.99 |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ASTRA Yacht srl | Susanne LEECH |
In-app purchases
ESA Coach
No in-app purchases
BoatNotes Pro
No in-app purchases
Questions
Is ESA Coach free?
Is BoatNotes Pro free?
Do ESA Coach or BoatNotes Pro have ads?
Which is updated more often, ESA Coach or BoatNotes Pro?
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