🇺🇸 American design and engineering 🇺🇸

🇺🇸 American design and engineering 🇺🇸

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A coach for every swim

You get to the pool...then what? The same old set? Counting laps? Welcome to a new way to swim.

All levels

Whether you’re a newbie or seasoned triathlete, we have a filter for difficulty level.

Hit songs

Every workout has music, with the playlist included in the description.

Expert coaches

Our coaches have unique backgrounds and charisma to keep you motivated.

Community

This isn’t just about tech. We’re building a community for swimmers everywhere.

Make the most of your pool time

We were beginners once, too. That’s why our app has content for swimmers of every level, with an easy-to-use filter. Our coaches can take you from testing the waters to triathlon training.

Over 300 on-demand workouts available

Sample our classes

Finding a good coach is difficult, which is why we spent years recruiting our all-star lineup. Listen to these short snippets for a taste of how Zygo coaches bring their own style to their classes.

20 min Lady Gaga Leg Blaster

Kick like you're on the edge of glory while the paparazzi snaps your photo! Fins optional. Dry hair option.

30 min Recovery Swim

This endless pool workout is an easy swim to keep your muscles moving on a lighter training day.

20 min Heart Rate Intervals

Get your heart rate pumpin' with these intervals at your threshold and sprint freestyle pace.

35 min 2,000 yd Swim

If you feel comfortable doing 100 yards in 1-min 30-sec intervals, here is a great 2,000 yard challenge for you.

Find your perfect swim

Our library features easy-to-use filters for pool size, duration, and difficulty level, among other categories.

Find your perfect swim

Our library features easy-to-use filters for pool size, duration, and difficulty level, among other categories.

Start your 2-week FREE trial today

Try the app - we’re sure you’ll love it.

When you sign up you get your first two weeks free. Check out all our content and features before you decide. You can cancel at any time.

Demo Mode

Create a profile and explore the app. Play any workout or use the tempo trainer for up to 3 minutes. No subscription or payment details needed.

Monthly Plan

$14.99/month

Yearly Plan

$119.99/year

Save 33%

Guided Workouts Underwater

With Zygo, take all your favorite content into the water.

GET YOURS NOW 👉
star star star star star
(4.9) 320 Reviews

Finally, guided swim workouts!

Our app brings swimming up to speed with the rest of the fitness world.

star star star star star

“Game changer for swim workouts.”

Got Questions?

Check Out Our FAQs Below....

Top FAQs

Yes. Zygo connects to your phone (or other audio source) and streams whatever it is playing, be it Spotify, a podcast, audio book, or the guided workouts in our App.
The range depends on how deep you are and the type of water (salt water versus fresh water makes a big difference). At 2 feet below the surface in a chlorinated swimming pool, the range should be roughly 50 meters. Above the water - for activities like standup paddle boarding and water skiing - the range is up to 1/3 a mile.
Yes! For our Standard size headset, you will soon be able to update the software remotely to enable lab counting; our Large size will have this capability in a few weeks.
This current version will likely cut out during a flip turn at the far end of the pool; however, we are in the process of implementing a software workaround that will be ready late 2023.
We ship within the continental US at no charge, and to Hawaii and Alaska for an extra fee. As a small startup, we aren't in a position to offer the same high level of customer service around the world, but we hope to expand internationally in the near future.
We offer a 6-month warranty from the time you receive your order. This is only valid within the US and does not apply to customers who are using their Zygo abroad.
Within 30 days of receiving your Zygo, we have a money-back guarantee as long as the product is in working condition. Beyond that, we accept returns on a case-by-case basis. In all instances, we process refunds after receiving the product back.
You cannot use your watch to stream directly to the headset since Bluetooth does not travel through water; that's why we have the transmitter - to convert Bluetooth into a different radio frequency. You could technically pair your watch to the transmitter but the watch would need to stay on land, as the Bluetooth signal would fail if you wear your watch while swimming.

Headset

The headset is totally waterproof (IP68 rating) in any kind of water. After using it in chlorine and salt, we recommend rinsing it off with fresh water.
No, but we have two sizes: Standard and Large, so please check the Sizing page to ensure you choose the right one, as over-flexing the Standard headset can break it.
Yes, but in all honesty there are better options for land! We optimized the fit and acoustics of Zygo for the aquatic use case, and you always need the transmitter with you to stream.
Yes. Zygo connects to your phone (or other audio source) and streams whatever it is playing, be it Spotify, a podcast, audio book, or the guided workouts in our App.
No. The headset receives one-way communication from the transmitter. It does not have its own mic for sending audio back.
Yes. We designed the headset to fit comfortably with a swim cap, goggles, sunglasses, and a hat. We suggest putting the headset on first.
Yes, you can use earplugs, and they tend to improve the audio by minimizing external noise, but they are not necessary. We include a pair in the box for you to compare the difference.
The range depends on how deep you are and the type of water (salt water versus fresh water makes a big difference). At 2 feet below the surface in a chlorinated swimming pool, the range should be roughly 50 meters. Above the water - for activities like standup paddle boarding and water skiing - the range is up to half a mile.
Yes. There are volume buttons on the headset (that double as the power on/off buttons). You can also control the volume of streaming audio directly on your phone, and for optimal audio performance we recommend keeping it below max volume.
No. It is necessary to use the transmitter (or your phone) for these actions.
No.
The headset is merely a receiver, with no transmitting capabilities - like headphones. Zygo is FCC and CE approved.
Yes. The headset can handle sand in small doses, but we recommend rinsing it off with fresh water.
Yes, you can find this option on the Shop page, but please note that you must have a Zygo case to charge it.
Rinse it off with water, or add a light amount of soap, and dry thoroughly before returning it to the case.

Transmitter

For maximum range, place the transmitter vertically on the edge of the pool, facing you as you swim. We include a stand in the case for this purpose.
Yes, with an IP67 rating, but it should not be intentionally submerged and can only stream audio when on dry land.
Bluetooth cannot penetrate water, so we use a different radio frequency. The transmitter is the central middleman technology, syncing with your phone (or other device) and broadcasting streaming audio and live speech through the water. It's small, lightweight, and waterproof, so you can leave it with your towel on the side of the pool, the beach, the boat, or wherever else you take off from.
Yes! When plugged in, it broadcasts live speech continuously. NB: Not all external mics are compatible with Zygo, so if you'd like a recommendation, please get in touch: help@zygoco.com
Open up Bluetooth settings on your device to pair; a blue LED light will indicate the status.
The transmitter and headset pair automatically when turned on together. Multiple headsets can pair with the same transmitter as long as they’re in close proximity to it.
Yes. The transmitter can handle sand in small doses, but we recommend rinsing it off with fresh water.
Yes. One transmitter can pair with an unlimited number of headsets.
Yes. There are up to 100 channels within our radio frequency band to avoid interference among multiple users in the same location.
Yes, you can find this option on the Shop page, but please note that you must have a Zygo case to charge it.
Rinse it off with water, or add a light amount of soap, and dry thoroughly before returning it to the case.

Charging

On average, the headset lasts 3 hours and the transmitter lasts 6 hours.
No. It is splash-proof but should not be submerged.
Plug in the micro USB cable that comes in the case into any outlet. Yellow LED lights on the headset and transmitter indicate the charging status.
No. It must be plugged in to charge.
No. In order to create resilient waterproof products, we used a closed architecture design with wireless charging. If something happens to your case, you can order a new one.
Yes, but for optimal charging, we recommend using the one we include in the box.
Not really. It is made of a splash-proof material with a zipper seal, so take it to the beach but try to keep sand from getting inside.

app

The Zygo app contains pre-recorded workouts paired to music as well as a tempo trainer, and we'll be constantly adding new features to further enhance the experience. NB: the app is not required to use the headset.
Yes. This is the iOS link. And this is the Android link.
$14.99 per month, with a 2-week free trial.
No. Each membership is intended for one individual.
Yes. You can use the app with any audio device.
The app is available in the US, UK, and Canada.

Music Underwater

Take your favorite songs into the water.

GET YOURS NOW 👉
star star star star star
(4.9) 320 Reviews

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