ESA Instruments vs Dinghy Sailing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESA Instruments
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ESA Instruments is the new App from Astra Yacht that transform your iPhone/iPad in a full function marine display. Connect ESA Instruments to an Astra Yacht GAMP (http://www.astrayacht.com/wp/en/shop/multiplexer-gamp-nmea-0183-esa/) and you can visualize every information coming from the boat instruments. Moreover, if you haven't any electronic instruments on board, you can use ESA Instruments App combined with the Astra Yacht box EBI. EBI has an internal GPS at high speed, and it's able to receive wind data directly from the most popular wind sensors both wired and wireless, and it can be connected to 4 other NMEA 0183 sensors (such as speed-depth sensor, electronic compass, AIS, wind sensor). Data from various sensors can be displayed via Wi-Fi directly on Apple devices through the App ESA Instruments that, in addition to the visualization of data in a very light and flexible way, allows you to easily calibrate your sensors thanks to a user friendly settings procedure. With ESA Instruments you can visualize data in various format: - page with a single data ; - page with two data; - page with tree data; - page with four data; - page with analog wind indicator; - page with GPS data; - page with graphic wind history (5', 10', 20' or 60' time period). in every page you can select the data you want to display in a very simple way.
Dinghy Sailing
This app provides sailing navigation instruments, replacing expensive digital equipment. Mount your device to your vessel to display up to eight instruments, including race timers and flags. Customize your display by enabling, disabling, and rearranging instruments.
- Replaces expensive digital instruments
- Displays up to eight instruments
- Race timer functionality
- Flag display
- Customizable instrument layout
- Vertical device mounting
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Dinghy Sailing is a useful tool for sailors. It can replace expensive digital instruments. Mount your iPad or iPhone to your vessel in a vertical position (either landscape or portrait). Dinghy Sailing displays up to eight instruments. Use the tabs to select the race timer, flags and instrument editor. You can enable/disable each instrument and drag to rearrange the order of the instruments on display.
Screenshots
Verdict
The clearest difference is update cadence: Dinghy Sailing at every 9 days against ESA Instruments's every 6 months. ESA Instruments's advantage is iOS requirement (15.6 vs 18.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ESA Instruments ships an update every 6 months, Dinghy Sailing every 9 days. The most recent releases landed on September 11, 2026 and September 16, 2026 respectively.
| Parameter | ESA Instruments | Dinghy Sailing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ASTRA Yacht srl | Gordon Aspin |
In-app purchases
ESA Instruments
No in-app purchases
Dinghy Sailing
No in-app purchases
Questions
Is ESA Instruments free?
Is Dinghy Sailing free?
Do ESA Instruments or Dinghy Sailing have ads?
Which is updated more often, ESA Instruments or Dinghy Sailing?
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