Which one reads more of my boat?

Theirs, clearly. Four independent CAN ports covering NMEA 2000, CAN Open, J1939 and Modbus, plus Ethernet and a wireless sensor range. Oria reads NMEA 2000 and NMEA 0183 and nothing else. If breadth of protocol is your requirement, the comparison is over.

Is Oria the French option here?

No, and it would be dishonest to suggest it. Yacht Sentinel France is a French-registered company with a head office in Boulogne-Billancourt. Both companies are French. The one documentation difference we can point to is that their YS Pro user and installation manuals are published in English only, while their marketing site does have a French version.

Do they do maintenance on engine hours like you do?

Yes. Their manual describes maintenance items triggering on hours reported by a sensor, engine hours from NMEA 2000 among them. Usage-based maintenance is not something only we do, and we will not claim it is.

Why is your box so much cheaper?

Because it does less, and because the money arrives differently. Theirs is a large multi-protocol unit with a security alarm set, sold outright at 1 590 EUR excluding VAT. Ours is a smaller single-purpose box folded into a monthly subscription. Over several years the totals move closer together; the difference is what you get for it and when you pay.

How do I know this page is fair?

Every claim above comes from Yacht Sentinel's own product pages, FAQ and published manuals, checked on 25 August 2026 and listed below. During fact-checking we removed several claims that turned out to be wrong, including an IP rating we had wrongly attributed to them and quotes that did not exist on their French pages. If you find something else wrong, write to antoine@oria-marine.com.

Comparison

Oria vs Yacht Sentinel YS Pro

Both are French companies selling a box that reads the NMEA 2000 bus. The YS Pro is the larger machine: four CAN ports, several industrial protocols, a sensor range, a Wi-Fi hotspot and a security alarm set. Oria is deliberately narrower, and priced accordingly. This page is about which of those two shapes fits your problem.

The short version

The YS Pro does more than the Oria Box, and we are not going to pretend otherwise. It reads J1939 and Modbus as well as NMEA 2000, it takes a satellite feed, it doubles as a Wi-Fi hotspot, it drives a range of wireless sensors and it carries a serious alarm set. If your problem is protecting a valuable boat, or reading engines that speak J1939, buy theirs. Oria answers a narrower question: what did each boat in this fleet do, what did it burn, and when is it next due. For that question we are cheaper to start, we hand the data back as CSV or through an API, and access can be scoped by group and role.

See how the box works

Side by side

Two different shapes of product

Both read engine hours off the NMEA 2000 bus and both trigger maintenance on measured use. The differences are around that shared core.

OriaYS Pro

What the box reads

NMEA 2000

Other protocolsNMEA 0183.CAN Open, J1939, Modbus and Ethernet, over four independent CAN ports.

Engine hoursAutomatic, from the bus.Automatic, from the bus.

Wireless sensorsNone. We sell no sensors.Eleven accessories priced from 40 to 130 EUR excl. VAT, including bilge, smoke, entry, motion and shore power.

Security alarmsNot a security product.Their pages state between 40 and 50 alarms, including tilt, shock, intrusion and battery.

Connectivity and install

Connectivity4G, SIM included.Cellular, and it doubles as a Wi-Fi hotspot if you insert your own SIM.

SatelliteConnects to a satellite antenna or Starlink over its Ethernet port.

Who fits itOria states the box is installed in under five minutes.Their manual requires a certified electrician or a person with advanced knowledge of boat electronics.

SizeIP65 housing, rated -20 to +55 C continuous.About 30 by 25.5 by 6.8 cm overall. No IP rating is published.

Running a fleet

Several boats on one account

Access controlScoped by group and role, so a base manager sees their boats and not the rest.Per boat, from read only to full admin, plus camera access. No group or base scoping is documented.

Getting your data outCSV export and a documented API on the Pro tier.In-platform reports and document storage. No data export is documented in their published material.

Fuel per outingLitres burned per outing, with miles and CO2.Fuel rate and consumption are read from the bus. Their published material describes in-platform reporting rather than a per-outing cost record.

Alerts and maintenance

ZonesZones you draw, with entry, exit, speed limit and dwell time.Geofence, anchor, safe return and home zones, polygon warning and danger zones, and a position alarm with a speed limit.

Dwell time in a zoneNot documented in their published material.

Maintenance on measured hours

Every figure on this page was taken from each vendor's own published material on 25 August 2026. Where a company does not publish something, this page says so rather than guessing.

Choose YS Pro if

Your engines speak J1939 rather than NMEA 2000. Commercial inboard diesels often do, and we do not read J1939 at all. This is a real gap on our side.
You need Modbus, CAN Open or several independent CAN networks on one boat. Their four-port design is built for exactly that.
Security is the point. Tilt, shock, intrusion and a large alarm set are their heritage, and we are not a security product.
You want wireless sensors for bilge, smoke, entry, motion or shore power. We sell none.
You go beyond cellular coverage and need satellite or Starlink, or you want the box to double as the boat's Wi-Fi hotspot.
You want to wake a powered-down NMEA 2000 network remotely to take a reading. Theirs does that; ours does not.

Choose Oria if

You want to start without a four-figure cheque. Our hardware is included with the subscription.
Your question is operational rather than protective: hours, fuel per outing, distance, and what each hull is costing you.
You need several people in the platform with what they see scoped by group and role, not just read only or admin on each boat.
You need the numbers out of the platform, as CSV or through an API, to feed invoicing or your own reporting.
You want the box fitted without booking a marine electrician.
You want zone alerts that include how long a boat stayed somewhere, not only where it went.

Price

What each one costs to start

Oria

29 EUR / month / boat

Pro tier, per boat, excluding VAT.
Hardware included with the subscription.
Twelve-month commitment, then no commitment.
SIM and connectivity included.

YS Pro

1 590 EUR excl. VAT

Central unit, their published price, bought directly from their web shop.
Plus a monthly subscription covering connectivity and cloud.
Accessories are extra, from 40 to 130 EUR excl. VAT each.
Installation by a certified electrician is not included.
Hardware warranty of 12 months.

Both figures here are excluding VAT, so they are comparable. One caution worth knowing before you budget: on 25 August 2026 Yacht Sentinel's own site published two different standard subscription prices at the same time, 10 EUR per month in their FAQ and 20 EUR per month on their product page and shop, with further zone tiers above that. We are not going to pick whichever number suits our argument, so ask them to confirm the rate for your zone.

Questions

Before you ask

Theirs, clearly. Four independent CAN ports covering NMEA 2000, CAN Open, J1939 and Modbus, plus Ethernet and a wireless sensor range. Oria reads NMEA 2000 and NMEA 0183 and nothing else. If breadth of protocol is your requirement, the comparison is over.

Twenty minutes, your fleet, an honest answer.

Tell us what your engines speak and what you are actually trying to find out. If your fleet is J1939 or your problem is security, we will point you at them.

See pricing

Sources

Every figure on this page was taken from each vendor's own published material on 25 August 2026. Where a company does not publish something, this page says so rather than guessing.

Product and company names are the trademarks of their respective owners. Naming them here is factual comparison, not affiliation or endorsement.