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Nurosym vs Dolphin Neurostim Vagus Nerve Stimulator | HRV Benefits, Side Effects, Price & Review

Key Takeaways

Nurosym and Dolphin Neurostim are popular vagus nerve stimulators.
Nurosym uses patented electrical signals to stimulate the vagus nerve.
Dolphin Neurostim targets acupuncture points to relieve pain and stress.
Both devices have demonstrated benefits for Heart Rate Variability (HRV).
An alternative to these devices is Pulsetto, a wearable device that stimulates the vagus nerve using electrical impulses to promote relaxation, reduce stress, and enhance well-being.

Vagus Nerve Stimulation Overview

The vagus nerve is one of the most important nerves in your body. It plays a crucial role in regulating your parasympathetic nervous system, which controls rest and digestion. Vagus nerve stimulation (VNS) has gained popularity for its ability to improve various health outcomes, including stress relief, enhanced mood, and better heart rate variability (HRV).

Nurosym vs Dolphin Comparison Table

Nurosym and Dolphin Neurostim both stimulate the vagus nerve, but they do so in different ways. Understanding these differences can help you make an informed decision.

Feature	Pulsetto	Nurosym	Dolphin Neurostim
*Price	$269	€699 (about $750)	$424 (for the Dolphin Pro Pain Management kit only)
Technology Used	Neck-wearable transcutaneous vagus nerve stimulation (tVNS)	Transcutaneous auricular vagus nerve stimulation (taVNS)	Microcurrent stimulation
Key Features	Neck-wearable, 5 stimulation programs for anxiety, stress, sleep, and pain management	Earpiece-based, clinically validated, environmental contribution	Multi-purpose kit for pain management and relaxation
App Integration	Yes, with customizable settings	No app integration	No app integration
Certifications	FCC, CE	CE, FDA Non-Significant Risk Designation	CE, FDA Non-Significant Risk Designation
Money-Back Guarantee	30 days	30 days	Not specified
Warranty	2 years	2 years on the device and 3 months on all accessories	Not specified
Battery Life	Up to 1 week on a single charge and with daily use	Up to 1 week on a single charge	Not specified
HRV Benefits	Proven to improve HRV	Supported by clinical research	Improves HRV through stimulation
Side Effects	Minimal discomfort, mild irritation	Mild discomfort and irritation are possible	Mild irritation at the application site

*Prices were taken at the time of writing and may be different now.

Pulsetto: Revolutionary Vagus Nerve Stimulator

Reduce stress and anxiety in just 4 minutes with Pulsetto, the innovative vagus nerve stimulator designed to biohack your parasympathetic nervous system. Clinically proven and FCC-certified, Pulsetto has helped 86% of users feel calmer and less anxious within two weeks. Rated 4.5/5 by over 20,137 customers. Enjoy benefits like free worldwide shipping, a 30-day money-back guarantee, a 2-year warranty, and recyclable materials.

Experience the calming effect of Pulsetto today!

Rated 4.5/5 by 20,137+ Customers

Pulsetto vagus nerve stimulator: feel calmer and sleep better in just 4 minutes a day

Experience immediate relaxation with the Pulsetto vagus nerve stimulator.

Sit back, close your eyes, and immerse yourself in the soothing Pulsetto experience, designed to gently promote a state of calmness and well-being.

Best Value Deal! Save $200!

FREE WORLDWIDE SHIPPING

Select your device:

Pulsetto dual-technology, hands-free device.

Free lifetime Pulsetto App with 5 expert-designed programs for Stress, Anxiety, and More.

One 60g gel tube (can be used up to a month), USB-C charging cable, user guide included

Extra gift: Pulsetto Premium 14-day Free Trial. 3 extra stimulations, 11 unique guided meditations, 54 breathing exercises, 1200 positive affirmations, and more.

$278 ~~$478~~

In Stock: Ships Within 24 Hours
(30-Day Money-Back Guarantee)

$278 / $478

In Stock: Ships Within 24 Hours
(30-Day Money-Back Guarantee)

Rated 4.5/5 by 20,137+ Customers

Pulsetto vagus nerve stimulator: feel calmer and sleep better in just 4 minutes a day

Experience immediate relaxation with the Pulsetto vagus nerve stimulator.

Sit back, close your eyes, and immerse yourself in the soothing Pulsetto experience, designed to gently promote a state of calmness and well-being.

Best Value Deal! Save $250!

FREE WORLDWIDE SHIPPING

Select device:

Pulsetto dual-technology, hands-free device

Best if you wear size S or smaller tops.
Only with FIT

New stimulation that rises and falls, which feels more fun (coming July–Aug 2025).
Only with FIT

20% longer battery life for fewer recharges.
Only with FIT

Free lifetime Pulsetto App with 5 expert-designed programs for Stress, Anxiety, and More.

One 60g gel tube (can be used up to a month), USB-C charging cable, user guide included

Extra gift: Pulsetto Premium 14-day Free Trial. 3 extra stimulations, 11 unique guided meditations, 54 breathing exercises, 1200 positive affirmations, and more.

$296 ~~$546~~

In Stock: Ships Within 24 Hours
(30-Day Money-Back Guarantee)

$296 / $546

In Stock: Ships Within 24 Hours
(30-Day Money-Back Guarantee)

HRV Benefits

Heart Rate Variability (HRV) is the measure of the variation in time between each heartbeat. Higher HRV scores are generally associated with better cardiovascular health and greater resilience to stress. Both Nurosym and Dolphin Neurostim have shown promising results in improving HRV.

Nurosym HRV Benefits

Nurosym sends patented electrical signals to the brain via the vagus nerve, activating specific therapeutic mechanisms. Clinical studies have shown that one-hour sessions of Nurosym can significantly improve all three parameters of HRV compared to a placebo.

Here’s how you wear the Nurosym.

Clinical studies have also suggested that Nurosym can improve learning, short-term memory, and cognition. This makes it a good choice for individuals looking to boost their mental performance and overall well-being.

Dolphin Neurostim HRV Benefits

Dolphin Neurostim takes a different approach—it applies brief, concentrated DC micro-impulses to acupuncture treatment points. This stimulation helps to reduce sympathetic stress and improve HRV.

By targeting these points, Dolphin Neurostim helps to balance the autonomic nervous system, leading to improved HRV.

You can get different types of Dolphin kits - the one shown above is the Dolphin Pro Pain Management + Vagal Stim Kit.

Side Effects

Nurosym Side Effects

Nurosym is generally well-tolerated, but some users may experience mild side effects. These can include skin irritation at the site of application, mild headaches, or dizziness during initial use. Most of these side effects are temporary and subside as the body adjusts to the device. Follow the manufacturer's instructions and consult with a healthcare provider if any severe or persistent side effects occur.

Dolphin Neurostim Side Effects

Similarly, Dolphin Neurostim users may experience some mild side effects. These can include skin irritation, temporary fatigue, or drowsiness. Because it targets acupuncture points, some users may experience slight discomfort. As with any medical device, follow manufacturer guidelines and consult a doctor if any adverse effects persist.

Price Comparison

Nurosym Price

The $750 Nurosym includes the device, earpiece, charger, case, and quick start guide. Its premium build and clinical backing justify the high price.

Dolphin Neurostim Price

Dolphin Neurostim is slightly more affordable, with prices ranging from $424 for the Dolphin Pro Pain Management kit to $1049 for the Dolphin Pro Scar Release + Vagus Nerve Stim Kit. Optional accessories such as additional electrodes, may incur extra costs.

Customer Reviews

Nurosym User Review

Many users report significant improvements in stress levels, mood, and sleep quality. Some have also noted enhanced cognitive function. But they have also commented on the high price.

“It's a very subtle difference that I feel, but I feel more calm. I feel like I have better mental clarity.” - A Nurosym user

Dolphin Neurostim Review

Currently, Dolphin Neurostim has limited online reviews, but those available highlight its effectiveness in managing pain for conditions like migraines, back pain, and stress. Users generally find it beneficial, though some note a steep learning curve.

Try The Pulsetto Vagus Nerve Stimulator

Pulsetto is an affordable, easy-to-use, and effective alternative to Nurosym and Dolphin Neurostim for boosting mental and emotional well-being.

Here’s how you should wear our Pulsetto device

Pulsetto offers a more affordable and user-friendly alternative to Nurosym, utilizing a neck-worn device for quick stress relief and improved HRV. While Dolphin Neurostim is effective for pain, Pulsetto's app integration and HRV focus make it more versatile for daily use.

With the app settings and diverse programs (you’ll get 3 extra simulations if you choose the Premium app) targeting stress, anxiety, and sleep, Pulsetto fits seamlessly into any lifestyle.

Experience the calming effect of Pulsetto today!

Frequently Asked Questions (FAQ)

What are the main differences between Nurosym and Dolphin Neurostim?

Nurosym uses patented electrical signals to stimulate the vagus nerve, focusing on improving HRV and cognitive function through a clinically validated approach. Dolphin Neurostim targets acupuncture points with microcurrent stimulation, aiming to relieve pain and improve HRV through traditional and neural therapies.

How do these devices affect Heart Rate Variability (HRV)?

Nurosym improves HRV by activating therapeutic mechanisms via the vagus nerve, supported by clinical studies. Dolphin Neurostim enhances HRV by balancing the autonomic nervous system through targeted acupuncture point stimulation.

Are there any side effects associated with these devices?

Both devices have minimal side effects. Nurosym may cause mild skin irritation or headaches, while Dolphin Neurostim users might experience slight discomfort at the application site or temporary fatigue.

How do the prices of Nurosym and Dolphin Neurostim compare?

Nurosym is priced at around $750, reflecting its advanced technology and clinical backing. Dolphin Neurostim is more affordable, with prices starting at $424 for the pain management kit, making it accessible for users seeking pain relief.

Is there a more affordable alternative to these devices?

Yes, Pulsetto is a budget-friendly alternative at $269, with a neck-wearable design and app integration for customized vagus nerve stimulation programs, making it a versatile choice for stress relief and HRV improvement.

Start your journey today

Have a Question See Our FAQs

Is Pulsetto safe to use every day?

Absolutely. The Pulsetto device itself is fully certified by the FCC and CE, which means it complies with strict laws and is approved for use for general health. It uses the lowest bluetooth energy, called “ultra low radiofrequency energy” (ULRE), which is safe for use on the body.

It’s also clinically tested and designed for daily use. Since it’s non-invasive and drug-free, there’s no risk of dependency or side effects. You can use it once a day or several times depending on your needs, before bed, during a stressful moment, or to reset between work tasks. It’s safe, simple, and built for consistency, so the more you use it, the better your nervous system functions over time.

Above all, Pulsetto devices have performed more than 1.5 million simulations already with zero side effects.

How fast will I feel results?

Most users feel noticeably calmer within just 4 minutes. That’s because Pulsetto uses clinically proven vagus nerve stimulation to rapidly shift your nervous system out of fight-or-flight mode and into rest-and-digest. Unlike supplements or meditation apps, there’s no need to wait weeks for subtle changes, relief starts almost immediately. Over time, regular use also strengthens your vagal tone, making you more resilient to stress and better able to stay calm throughout the day.

What does it feel like?

It feels pleasant! Most users describe it as a slight tingling sensation, or a tickle. It’s designed to relax you, so it’s completely pain-free — otherwise it wouldn’t be very calming, would it!

What exactly is the vagus nerve, and why does it matter?

The vagus nerve is the longest cranial nerve in your body, and it plays a crucial role in regulating your mood, stress, digestion, heart rate, and sleep. It’s like your body’s internal switchboard for calm and recovery. Pulsetto gently stimulates this nerve to activate the parasympathetic nervous system, helping you slow down, relax, and restore balance. It’s the same nerve doctors stimulate in clinical settings to treat mood and anxiety disorders, but Pulsetto brings this powerful science home.

Can Pulsetto help me sleep better?

Yes, Pulsetto helps you fall asleep faster, stay asleep longer, and wake up more refreshed. By stimulating your vagus nerve, it activates your parasympathetic nervous system (the one responsible for rest and recovery), helping your body power down naturally. It’s a non-invasive, drug-free solution that works with your body’s own biology. Whether you struggle with racing thoughts, trouble falling asleep, or restless nights, Pulsetto helps create the calm, balanced state your body needs to enter deep, restorative sleep.

What’s included in the Pulsetto App? Is it free?

Yes, the app is 100% free and comes included with the Pulsetto device. It offers 5 unlimited stimulation programs for sleep improvement, nervousness, stress reduction, burnout, and pain management.

The app works with both iOS and Android. It also has a specialized Sound Library filled with sounds specifically designed for Pulsetto, which improve the overall experience.

Do I need to be tech-savvy to use it?

Not at all. Pulsetto is designed to be incredibly easy to use. Just place it around your neck, open the free app, and start your session. The app walks you through everything, from choosing the type of session to adjusting intensity levels. Even if you're not into tech, you’ll find it intuitive and seamless. It’s as easy as putting on a pair of headphones and pressing play, except instead of sound, you're stimulating calm.

Can Pulsetto really help with stress and anxiety?

Yes, and that’s where Pulsetto truly shines. Chronic stress and anxiety are often caused by an overactive sympathetic nervous system (the fight-or-flight response). Pulsetto works by activating the opposite system, the parasympathetic, which signals to your body that it’s safe, helping you relax almost instantly. Whether you're managing daily overwhelm or deeper emotional stress, Pulsetto gives you a powerful tool to self-regulate in a natural, consistent way. It’s peace of mind at the push of a button.

How is Pulsetto different from other wellness tools like meditation apps or supplements?

Meditation apps and supplements can help, but they often take time, focus, and commitment. Pulsetto works physically, not just mentally. By directly stimulating the vagus nerve, it taps into your nervous system’s core functions, creating a fast and reliable physiological shift. You don’t need to “get in the zone” or wait weeks for effects. It’s consistent, clinically supported, and easy to use daily. Pulsetto is not just a wellness tool, it’s a nervous system upgrade.

What if I don’t struggle with anxiety or sleep, can Pulsetto still benefit me?

Yes! Even if you’re not actively struggling, Pulsetto can still improve your overall health and performance. Regular vagus nerve stimulation boosts focus, sharpens mental clarity, supports digestion, reduces inflammation, and even enhances athletic recovery. Think of it like exercise for your nervous system, the more you use it, the stronger and more balanced it becomes. Pulsetto is perfect for anyone who wants to feel more grounded, energized, and resilient in their everyday life.

Who is Pulsetto designed for?

Pulsetto is for anyone who feels overwhelmed, stressed, tired, anxious, or sleep-deprived, basically, most people today. It’s especially helpful for busy professionals, parents, high-performers, and anyone seeking a non-medicated, science-backed way to feel better. Whether you're facing burnout or just want a daily mental reset, Pulsetto empowers you to take back control of your mood, focus, and energy, with just minutes a day.

What if it doesn’t work for me?

We stand behind Pulsetto with a 30-day money-back guarantee and a 2-year warranty. While over 86% of users report feeling calmer and less stressed, we understand that every body is different. That’s why we encourage you to try it risk-free and see how it fits into your routine. If you’re not satisfied, we’ll make it right, because your well-being comes first. No gimmicks, no pressure, just real results or your money back.

Will I have to pay any additional customs, duties or VAT fees when I receive my order?

Depending on your country, it is possible that you will be charged one or more of these fees when you receive your order.

Please note that all international orders are charged in US dollars. International charges are based on the standard exchange rates between your currency and the US dollar at the time of purchase or refund.

Will you notify me by email when my order has shipped?

Yes, we will send an invoice by email when your order has been placed and another when your order has been shipped.

If you can not find our emails in your normal inbox, it is worth checking in your spam or junk mail folder.