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Vagal Buddy tVNS
Vagal Buddy tVNS
Most chosen. Current-controlled, wireless charging.
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Vagal Oh!
Wireless and discreet. App-controlled.
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Vagal Boost
Try it first. Phone-powered.
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Vagal vs Nurosym Comparison

Vagal devices compared with Nurosym. Same ear-based approach, different technology and price.

Vagal vs Nurosym: quick answers

We make Vagal devices, so weigh our view accordingly. Facts about other brands come from their own websites, checked in October 2026.

What is a cheaper alternative to Nurosym?

Vagal Buddy ($349) and Vagal Oh! ($249) clip to the same spot on the tragus. The Parasym device costs about $900 in the US, as Nuropod, or about £599 or €700 in the UK and Europe, as Nurosym.

What is the main difference?

Where they sit is the same: a clip on the tragus. The difference is control. Buddy and Oh! measure the current they deliver and hold it at the level you set, so you know the dose of every session. Nurosym’s maker does not say whether its device does this.

Do I need a phone?

Not with Buddy: it has its own screen and joystick, and the app is optional. Oh! is run from the free Vagal app on iPhone or Android. Nurosym has no app.

Do I need gel?

No. Nurosym uses water on the tragus. With Buddy and Oh!, gel or paste is optional and only changes comfort, and a tube comes in the box. More on gel.

How long do I have to return it?

Buddy and Oh! come with 45 days from delivery. Nurosym offers 30 days. Buddy and Oh! are also HSA/FSA eligible in the US.

Vagally Curious?

Vagal Buddy vs Nurosym

Looking for a cheaper Nurosym or Nuropod alternative? Same goal. Same spot: both clip to the tragus, the small flap in front of the ear canal. Six differences that matter.

Vagal Buddy

$349

Nurosym

~$900

Where it clips

The tragus
A titanium clip on the tragus, the small flap of cartilage in front of the ear canal, where the auricular branch of the vagus nerve reaches the skin.

Where it clips

The tragus
The same spot. Nurosym's instructions for use tell you to clip the earpiece to the tragus.

Stimulation type

Current-controlled (tVNS)
EverSteady adjusts in real time. The current stays constant regardless of changing skin impedance. The dose you set is the dose delivered.

Stimulation type

Voltage-controlled (tENS)
The voltage stays fixed but the current fluctuates as skin moisture, temperature and contact pressure change.

Stimulation protocols

Multiple, updatable via app
New protocols loaded through the Vagal Tones app as research advances. Your device evolves without replacing hardware. Want Nurosym's pulse pattern? It reverses the pulse polarity, and our Bespoke Tone ($39) has the same pulse-reverse mode, called Alternating, on Buddy or Oh!.

Stimulation protocols

Fixed
One stimulation protocol. No app-based updates to parameters.

Ongoing costs

Earpiece replacement over time
Gel optional, for comfort only. No subscription. The ear clip will eventually need replacing with regular use; affordable replacements are available in our store.

Ongoing costs

Earpiece replacement over time
No gel or subscription. 6-month warranty on earpiece electrodes. Replacements available at additional cost.

Ease of use

Display + joystick
A clear on-device display shows your session settings at a glance. The joystick lets you adjust intensity mid-session without fiddling with buttons.

Ease of use

Single button + LED
Intensity adjusted by pressing a button repeatedly. A small LED indicates status but doesn't show settings.

Try it risk-free

45 days
A 45-day money-back guarantee. Not feeling like you again? Send it back for a full refund. No questions.

Try it risk-free

30 days
30-day return window from delivery.

Price

$349
Clinical-grade tVNS with EverCharge wireless charging. Current-controlled accuracy and updatable protocols included.

Price

~$900
Retail price as listed. Discounts occasionally available.

Same spot on the ear. Different technology. For less.

Both devices clip to the tragus and stimulate the auricular branch of the vagus nerve there. Vagal Buddy uses current-controlled stimulation for a consistent dose every session. Nurosym uses voltage-controlled tENS, where the dose fluctuates with your skin. Buddy costs less, includes EverCharge wireless charging, and comes with a 45-day money-back guarantee.

View Buddy - $349 Compare all devices
Keep exploring
Oh! vs Pulsetto
Prefer wireless? See how Oh! compares to Pulsetto.
Pulsetto vs Nuropod
Comparing the two competitors head to head.
Vagal vs Sensate
Electrical stimulation vs chest vibration.

Based on publicly available specifications as of March 2026; Nurosym's placement checked against its instructions for use in November 2026. Prices approximate and may vary. We encourage you to verify current details directly with each manufacturer. Nurosym is a trademark of Parasym Ltd.

Vagally Curious?

Vagal Oh! vs Nurosym

Both clip to the tragus. Both use electrical stimulation. One fits in your pocket. The other doesn't.

Vagal Oh!

$249

Nurosym

~$900

Stimulation type

Current-controlled (tVNS)
EverSteady maintains a constant current regardless of skin impedance. The dose you set is the dose delivered, every session.

Stimulation type

Voltage-controlled (tENS)
The voltage stays fixed but the current fluctuates as skin moisture, temperature and contact pressure change.

Form factor

23mm wireless earpiece
The world's smallest wireless VNS. Clips discreetly to the tragus. No wires, no handheld unit. Use it on the train, at your desk, in bed. Nobody knows.

Form factor

Handheld unit + wired earpiece
A separate handheld controller connects by cable to an earpiece that clips to the tragus, the same spot as Oh!. Requires holding or resting the device during each session.

Stimulation protocols

Multiple, updatable via app
New protocols loaded through the Vagal Tones app. The device evolves with the science, with no new hardware needed. Want Nurosym's pulse pattern? It reverses the pulse polarity, and our Bespoke Tone ($39) has the same pulse-reverse mode, called Alternating, on Oh! or Buddy.

Stimulation protocols

Fixed
One stimulation protocol. No app-based updates to parameters.

Ongoing costs

Earpiece replacement over time
Paste optional, for comfort only. No subscription. The earpiece will need replacing with regular use; affordable replacements are available in our store.

Ongoing costs

Earpiece replacement over time
No gel or subscription. 6-month warranty on earpiece electrodes. Replacements available at additional cost.

Price

$249
Wireless, current-controlled, app-updatable. Everything Nurosym does and more, for less.

Price

~$900
Retail price as listed. Discounts occasionally available.

Wireless. Current-controlled. For less.

Oh! delivers current-controlled tVNS from a wireless 18g earpiece: no handheld unit, no cables. Nurosym uses voltage-controlled tENS with a wired earpiece and costs more. Both clip to the tragus. Only one controls the dose.

View Oh! - $249 Compare all devices
Keep exploring
Buddy vs Nurosym
Wired but for less.
Oh! vs Pulsetto
How Oh! compares to the neck-based alternative.
Vagal vs Sensate
Electrical stimulation vs chest vibration.

Based on publicly available specifications as of March 2026; Nurosym's placement checked against its instructions for use in November 2026. Prices approximate and may vary. Nurosym is a trademark of Parasym Ltd. Verify current details with each manufacturer.

Vagally Curious?

Vagal Boost vs Nurosym

A $59 ear stimulator vs a ~$900 one. Both tENS. What's the actual difference?

Vagal Boost

$59

Nurosym

~$900

Stimulation type

Voltage-controlled (tENS)
Fixed voltage output. The current varies with skin conditions. Simple and effective for general use.

Stimulation type

Voltage-controlled (tENS)
Also voltage-controlled. Proprietary waveform, but the current still fluctuates with skin impedance.

Stimulation target

Ear (auricular)
Targets the tragus, the most direct vagal pathway to the brainstem.

Stimulation target

Ear (auricular)
Also targets the ear tragus via a wired clip connected to a handheld controller.

Ongoing costs

None
Powered by your phone. No gel, no subscription, no replacement parts.

Ongoing costs

Earpiece replacement over time
6-month warranty on earpiece electrodes. Replacements at additional cost.

Price

$59
The most affordable ear-based vagus nerve stimulator available.

Price

~$900
Retail price as listed. Discounts occasionally available.

Same technology. A fraction of the price.

Both Boost and Nurosym use voltage-controlled stimulation through the ear. Boost costs $59. Nurosym costs about $900 in the US. If you want to try tENS ear stimulation, Boost is the most affordable way in. If you want current-controlled accuracy, Vagal Buddy tVNS ($349) delivers what neither of these can: a constant, known dose every session.

Start getting better Compare all devices

Based on publicly available specifications as of March 2026. Prices approximate and may vary. Nurosym is a trademark of Parasym Ltd. Verify current details with each manufacturer.