Vagal Boost vs Buddy
One is the $59 starting point. The other is the device clinicians recommend. Here’s what the upgrade gets you.
Vagally Curious?
Vagal Boost vs Vagal Buddy
One is the affordable starting point. The other is the device clinicians recommend. Here's what the upgrade gets you.
Vagal Boost
$59
Vagal Buddy
$349
Stimulation type
Voltage-controlled (tENS)
Sets a fixed voltage. The actual current reaching the nerve varies with skin moisture, temperature and contact pressure.
Stimulation type
Current-controlled (tVNS)
EverSteady adjusts in real time. The current stays constant regardless of changing skin conditions. The dose you set is the dose delivered.
Stimulation protocols
Single preset
One fixed stimulation protocol. Simple and effective for general use.
Stimulation protocols
Multiple, updatable via app
Load new protocols through the Vagal Tones app as research advances. Choose the right parameters for your goals.
Adjustment
Phone volume control
Intensity adjusted via your phone's volume. Powered by the headphone jack — no charging needed.
Adjustment
5-way precision joystick
Fine-grained control on the device itself. USB-C powered, works with any power bank for use anywhere.
Research use
Consumer only
Designed as an accessible entry point to vagus nerve stimulation.
Research use
Research edition available
Upgradeable to research edition. The same device used by clinicians and university researchers for repeatable, publishable results.
Price
$59
The lowest-cost way to try vagus nerve stimulation. A great starting point.
Price
$349
Current-controlled accuracy, EverCharge wireless charging, multiple protocols, and precision adjustment. No subscription, no gel.
Start with Boost. Upgrade when you're ready.
Boost is a genuine vagus nerve stimulator at an unbeatable price — a perfect way to experience the benefits. When you want consistent dosing, updatable protocols, and research-grade precision, Buddy is the step up.
Start with Boost - $59 Ready to upgrade? View Buddy - $349Keep exploring
Both devices are made by Vagal.com and stimulate the vagus nerve through the ear. Boost uses voltage-controlled stimulation (tENS). Buddy uses current-controlled stimulation (tVNS), which delivers a more consistent therapeutic dose. Both come with a 45-day money-back guarantee.