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Guide · Gear

4 ways to use Kompas on the water

It works with no phone at all, and with everything. The more sensors, the richer the data; with two sources, each checks the other.

The same 4 ways on every boat

A single-hander, a 420, a J/70 or a yacht: the log, the watch, the phone and the earbud do the same job on each.

  • Single-handerSingle-hander
  • 420420
  • J/70J/70
  • YachtYacht

Photos: 420: Johann-Nikolaus Andreae, CC BY-SA 2.0 · J/70: Hein.Mück, CC BY-SA 4.0 · Yacht: Beth Fitzpatrick / Pexels

No device on the boat; the log is kept ashore.
Scoring an element in Kompas
A real screen from the app.

Way 1

Log only

The phone stays ashore. You plan the training session and log it when you’re back.

  • Log

What you get

  • Plan the training session, or your coach plans it
  • Log it when you’re back; the scores go on the wheel
  • Your history, your wheel and what to work on, in one place

What you don’t

  • No track: no course, speed or manoeuvre analysis
A watch on the helm’s wrist.
Tack analysis of a training session in Kompas
A real screen from the app.

Way 2

Watch only

Garmin or Polar, connected to Kompas. The phone can stay ashore.

  • Log
  • Watch

What you get

  • Track and heart rate
  • Tack and gybe analysis back on shore

What you don’t

  • No audio cues
  • No talking with your coach

Tip Set the watch to record “Every second”. Smart recording leaves 2–5 second gaps, and manoeuvres get lost in them.

The phone in a case on the buoyancy aid, an earbud in, a speaker on the boom.
The Kompas recording screen: course, speed, heel
A real screen from the app.

Way 3

Phone in a case, earbud or speaker

In a waterproof case, on your buoyancy aid or on the boat. An IP68 earbud or a small IP67 speaker.

  • Log
  • Phone
  • Earbud / speaker

What you get

  • Full track and heel
  • Audio cues: countdown, tacks, gybes
  • Two-way talk with your coach: the coach listens, you speak, the coach answers
  • Talk between the crew on the boat

What you don’t

  • You can’t see the screen

Tip If you can’t hear the phone through its case, clip a small speaker in the cockpit or on the boom or vang: the whole crew hears the countdown and the tack and gybe calls. It also suits anyone who doesn’t want something in their ear. A speaker can’t pick up your voice, so talking with your coach needs earbuds (or the phone’s own mic).

The phone on a mast mount, a watch on the wrist, an earbud in, a speaker on the boom.
The start countdown and distance to the line on the Kompas display
A real screen from the app.

Way 4

Everything: mount, watch, earbud or speaker

The phone on a mount becomes your display; the watch on your wrist; sound in your ear or on the boom.

  • Log
  • Watch
  • Phone
  • Earbud / speaker

What you get

  • Speed, stats, countdown, heel and coach messages on screen
  • Everything in way 3
  • Data checked by two sources: phone and watch

What you don’t

Nothing missing.

What each one gives

What1Log only2Watch only3Phone in a case4Everything
Plan, log and wheelYesYesYesYes
Track: course and speedNoYesYesYes
Tack and gybe analysisNoYesYesYes
Heart rateNoYesNoYes
HeelNoNoYesYes
Audio cuesNoNoYesYes
Talk with your coachNoNoYesYes
Seeing the screenNoNoNoYes
Checked by two sourcesNoNoNoYes

Talking with your coach needs an earbud or the phone’s mic; a speaker can’t pick up your voice.

Example gear

These are only examples. Any similar product does the job. The shops are in Türkiye.

  • IP68 earbuds

    Example: JBL Endurance Pace. One ear, with a snug tip.

    Ways 3 and 4

    Go to product

    Opens Hepsiburada

  • Small IP67 Bluetooth speaker

    Example: Xiaomi Sound Pocket. In the cockpit or on the boom or vang.

    Ways 3 and 4

    Go to product

    Opens Trendyol

  • Waterproof phone pouch with a neck strap

    Inside your buoyancy aid.

    Way 3

    Go to product

    Opens Decathlon

  • Shockproof waterproof case, up to 6.9 inches

    Universal; for a mount or the deck.

    Ways 3 and 4

    Go to product

    Opens HT Store

  • Arm phone holder

    Universal; for wingfoil and windsurf.

    Ways 3 and 4

    Go to product

    Opens Trendyol

Start with what you have.

Start with the log alone; as a watch, an earbud or a mount comes along, Kompas sees more.

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Free until 1 January 2027. iPhone · Android · English and Türkçe · Works offline

The recording display in its dark mode: course 243°, speed 6.4 kn, heel 4°. Sample data.