The defining distinction between the Theragun Prime Plus and the Ekrin B37 comes down to integrated thermal therapy versus lightweight, ultra-quiet portability. While the Theragun model introduces heated percussive treatment to melt away stubborn stiffness, the Ekrin alternative focuses on an agile, whisper-quiet motor chassis designed for effortless one-handed use.
Choose the Theragun Prime Plus if you prioritize warming thermal relief to loosen dense muscle fibers before and after intense physical activity. Opt for the Ekrin B37 if you need a nimble, multi-speed massager that weighs half as much and delivers quiet recovery sessions without fatiguing your arm.
Theragun Prime Plus vs Ekrin B37 at a Glance
| Feature | Theragun Prime Plus | Ekrin B37 |
|---|---|---|
| Manufacturer | Theragun (Therabody) | Ekrin Athletics |
| Model Number | Theragun Sense + Prime Parent | B37v2 |
| Weight | 4.45 pounds | 2.2 pounds |
| Dimensions | 8.07 x 4.43 x 9.57 inches | 5.91 x 3.15 x 2.36 inches |
| Thermal Capabilities | Integrated heated deep tissue massage | Not listed |
| Motor Type | Not listed | High-powered brushless motor |
| Speed Options | Not listed | 5 speed settings |
| Included Attachments | Heated deep tissue attachment | 4 interchangeable attachments |
| Power Source | 1 Lithium-ion battery (included) | 1 Lithium-ion battery (included) |
| Best For | Heated deep tissue tension relief | Quiet, lightweight, full-body recovery |
Thermal Therapy and Muscle Warming
Percussive therapy relies on rapid mechanical strikes to disrupt pain signals and stimulate blood circulation in targeted muscle tissue. When heat is added directly to that percussive mechanism, the physiological response accelerates significantly. The Theragun Prime Plus integrates heated deep tissue massage capabilities directly into its treatment head, allowing users to apply thermal energy simultaneously with percussive force. Combining warmth with percussion relaxes muscular guarding, pliable tissue warms up faster, and blood flow increases more efficiently than with mechanical pounding alone.
In contrast, the Ekrin B37 does not feature any thermal capabilities according to its product specifications. Users seeking to replicate that heat effect with the Ekrin must rely strictly on friction generated from high-frequency percussion or apply external heating pads before starting a session. While mechanical movement alone naturally stimulates local circulation over several minutes, the theragun prime vs theragun prime plus evolution demonstrates how integrated heating shortens pre-workout prep routines by warming dense collagen structures rapidly. For chronic stiffness in thick muscle groups like the glutes, quads, or lower back, having an active thermal head provides a noticeable edge in muscle pliability.
Adding heat therapy directly to the massage cycle transforms the user experience from standard mechanical hammering into a soothing, restorative recovery protocol. This makes the theragun prime plus heated attachment particularly valuable for athletes who train in cold conditions or individuals managing chronic joint and tendon stiffness. The Ekrin B37 provides an effective standard percussive punch, but it cannot match the dual-action thermal stimulation engineered into the Theragun system.
Edge: Theragun Prime Plus due to its built-in heated deep tissue massage functionality that loosens stiff muscle fibers faster than percussion alone.
Portability, Weight, and Handheld Ergonomics
Handheld percussion massagers are only as useful as they are comfortable to hold. During an extensive self-care session on hard-to-reach areas like the upper back, rear deltoids, or hamstrings, the physical weight of the tool directly influences how long you can treat yourself before grip fatigue sets in. The Ekrin B37 weighs just 2.2 pounds and measures 5.91 x 3.15 x 2.36 inches, making it a remarkably compact device that packs flat into gym duffels, carry-on bags, or desk drawers without claiming excessive space.
By comparison, the Theragun Prime Plus listing specifies a total product weight of 4.45 pounds and overall dimensions of 8.07 x 4.43 x 9.57 inches. This makes the Theragun more than double the weight of the Ekrin B37 and substantially larger in physical volume. When evaluating theragun prime vs ekrin b37 ergonomics, that extra weight can be an asset when applying downward pressure onto large muscle beds like the quadriceps, as gravity does part of the work. However, when reaching behind the shoulders or working overhead, lifting nearly four and a half pounds quickly strains the forearms and wrists.
For individuals who travel frequently or carry their recovery gear to the gym, track, or office, the compact footprint of the Ekrin B37 offers unmatched convenience. The reduced bulk makes maneuvering around awkward angles simpler for individuals with smaller hands or limited grip strength. If you need a recovery tool that feels weightless in a backpack and remains comfortable through a continuous fifteen-minute session across multiple muscle groups, the Ekrin model holds a substantial practical advantage.
Edge: Ekrin B37 because its 2.2-pound weight and compact frame cut down user fatigue and improve portability compared to the 4.45-pound Theragun.
Motor Engineering, Speed Settings, and Operational Noise
Motor construction governs both the precision of percussive relief and the auditory environment during a session. The Ekrin B37 is built around a high-powered brushless motor explicitly designed for ultra-quiet operation. Brushless motor architecture reduces internal friction, prolongs mechanical longevity, and eliminates the loud buzzing or grinding sounds common to older massagers. The listing highlights an ultra-quiet hand-held design, ensuring you can use the massager while watching television, taking a phone call, or resting in shared living spaces without creating a disturbance.
Furthermore, the Ekrin B37 provides 5 distinct speed settings, giving users granular control over percussive frequency. Having five steps allows you to tailor the output precisely, starting on a delicate setting for sensitive muscle insertions, sore shins, and neck tissue, while dialing up to maximum velocity for dense muscle beds like the glutes and calves. The Theragun Prime Plus listing does not specify its exact motor type or the precise number of discrete speed intervals, leaving buyers to infer its mechanical pacing strictly from its general deep tissue classification.
In any rigorous ekrin b37 review, motor noise and vibration dampening stand out as critical factors for regular daily adoption. High operational noise often discourages users from treating their neck and upper trapezius muscles due to the loud auditory reverberation right next to the ears. By maintaining an ultra-quiet acoustic profile backed by five distinct speed settings, the Ekrin B37 enables comfortable, targeted recovery without overwhelming your senses or disturbing those around you.
Edge: Ekrin B37 thanks to its high-powered brushless motor, ultra-quiet performance, and five versatile speed options.
Attachment Versatility and Targeted Muscle Relief
Muscle anatomy varies drastically across the human body, from broad muscular sheets like the latissimus dorsi to focused trigger points in the piriformis and calf muscles. Addressing these distinct regions effectively requires specialized applicator heads that distribute percussive force appropriately. The Ekrin B37 comes equipped with 4 interchangeable attachments designed to target different muscle shapes, densities, and sensitivities across the entire body, allowing you to switch seamlessly from broad-surface sweeping to localized trigger-point therapy.
The Theragun Prime Plus centers its treatment experience on an advanced heated deep tissue attachment. This specialized head concentrates thermal energy directly onto tight tissues, making it an extraordinary tool for melting away stubborn knots and treating broad muscular tension. However, the listing does not detail additional standard heads, focusing its value proposition on the specialized heated applicator. When considering theragun prime plus vs hypervolt 2 pro or other versatile percussion setups, having multiple swappable geometries offers distinct mechanical advantages across varied body regions.
Deciding between these approaches depends on whether you prioritize thermal penetration or mechanical variety. When comparing the theragun prime plus vs ekrin b37 for athletes, multi-sport competitors often value having four swappable heads to treat delicate Achilles tendons, dense quads, and spinal erectors with specialized contours. However, for individuals whose primary goal is soothing intense, localized muscle spasms, the thermal output of the Theragun head delivers targeted therapeutic value that generic foam or plastic attachments cannot replicate.
Edge: Tie. The Ekrin B37 provides superior variety with 4 interchangeable heads, while the Theragun Prime Plus offers unmatched depth of thermal relief through its heated head.
Power Systems and Recovery Longevity
Both devices are powered by rechargeable internal lithium-ion batteries, freeing users from power cords and wall outlets during treatment. The Ekrin B37 includes a single lithium-ion battery packaged within its 2.2-pound chassis, operating its high-powered brushless motor with an emphasis on efficient daily output. The Theragun Prime Plus also requires and includes one lithium-ion battery, which must manage the dual energy demands of driving the percussive motor mechanism while simultaneously heating the thermal attachment.
Neither manufacturer listing specifies the exact runtime in hours or total milliamp-hour battery capacity. For readers exploring theragun prime plus battery life expectations, operating a heated element alongside a high-torque mechanical motor inherently draws more electrical power than running an unheated brushless motor alone. As examined across various comparisons like theragun prime plus vs hypervolt 2, massagers with thermal elements consume battery reserves at a faster rate when heat modes run at maximum output.
Because neither listing publishes exact runtime numbers, evaluating long-term power delivery relies on the physical footprint and workload requirements. The Ekrin B37 leverages an efficient brushless motor that directs all of its stored power exclusively into mechanical oscillation. The Theragun Prime Plus divides its battery resources between mechanical hammering and thermal heat generation. Both provide reliable cordless operation straight out of the box, ensuring uninterrupted recovery sessions regardless of where you sit.
Edge: Tie. Both massagers include reliable lithium-ion battery systems, though neither listing specifies total runtime figures.
Spinal Application and Treatment of Back Pain
Lower and upper back discomfort represents one of the most common reasons people invest in percussion massagers. Treating spinal musculature demands an ergonomic design that lets you reach the lats, rhomboids, and lumbar regions without straining the rotator cuff. The Ekrin B37 is specifically listed as an ergonomic back massager for pain relief, combining an angled grip orientation with its ultralight 2.2-pound body to make self-treatment across the back manageable without assistance.
When evaluating the theragun prime plus or ekrin b37 for back pain, the Theragun Prime Plus introduces a formidable therapeutic counterweight: thermal therapy. Back spasms and chronic lumbar tightness respond exceptionally well to heat, which increases local blood supply, reduces pain signaling, and softens rigid muscle tissue before mechanical percussion works out deep knots. A comprehensive theragun prime plus review highlights that while the 4.45-pound chassis can be cumbersome to hold against the mid-back for extended periods, the resulting heat penetration provides remarkable relief for chronic aching.
If you primarily self-treat hard-to-reach areas of the spine without a partner, the lightweight Ekrin B37 reduces the mechanical leverage and shoulder strain needed to hold the device in position. However, if you have someone to assist you or if you rest the unit against accessible lumbar points while seated, the Theragun Prime Plus delivers deeper therapeutic warmth that relaxes locked spinal erectors more effectively than percussion alone. Similar to dynamics seen in the theragun prime plus vs renpho active+ matchup, heat gives the Theragun a distinct functional advantage for chronic stiffness.
Edge: Theragun Prime Plus because active heat therapy provides superior physiological relief for deep back spasms and muscular tightness.
Pros and Cons
Theragun Prime Plus
Pros
- Integrated heated deep tissue therapy
- Dual-action heat and percussion
- Includes rechargeable lithium-ion battery
- Substantial build for deep pressure
Cons
- Heavy 4.45-pound total weight
- Listing does not specify speed count
View Theragun Prime Plus on Amazon
Ekrin B37
Pros
- Ultralight 2.2-pound body
- High-powered brushless motor
- 5 adjustable speed settings
- 4 interchangeable attachments
- Ultra-quiet operational sound
Cons
- No integrated thermal capabilities
- Listing does not specify amplitude
Who Should Buy Each One
Choose the Theragun Prime Plus If
- You want integrated heat therapy to loosen rigid joints, warm up cold muscles, and treat deep tissue knots.
- You suffer from chronic muscular tightness or lower back stiffness that requires thermal stimulation alongside percussion.
- You prefer a substantial, heavy-duty recovery tool where mass helps drive pressure down into large muscle groups.
- You frequently prep for workouts in colder environments and need rapid muscle warm-up capabilities.
Choose the Ekrin B37 If
- You need a lightweight, 2.2-pound massager that will not strain your wrists or shoulders during prolonged sessions.
- You want an ultra-quiet brushless motor that allows you to recover while watching television or working in an office.
- You prefer multiple speed steps and 4 distinct attachments to customize treatment across varied muscle groups.
- You travel regularly and require a compact device that fits effortlessly into gym bags and carry-on luggage.
Final Verdict
The Theragun Prime Plus and the Ekrin B37 approach personal recovery from two distinct philosophies. For those prioritizing deep physiological relief through combined heat and percussion, the Theragun Prime Plus stands out as a specialized powerhouse. Its ability to simultaneously deliver warming thermal relief alongside deep mechanical strikes melts away chronic tension, relieves lumbar spasms, and accelerates pre-exercise preparation in ways standard massagers cannot match, despite its bulkier 4.45-pound frame.
On the other hand, the Ekrin B37 captures the victory for everyday convenience, portability, and versatile usability. Cutting the weight down to 2.2 pounds while providing an ultra-quiet brushless motor, 5 speed settings, and 4 specialized attachments makes it an exceptionally approachable tool for daily full-body maintenance. If you want thermal therapy for severe knots and back stiffness, choose the Theragun Prime Plus. For an agile, whisper-quiet recovery tool that travels anywhere, the Ekrin B37 is the ideal selection.
FAQ
Does the Theragun Prime Plus include a heated attachment?
Yes. The Theragun Prime Plus features an integrated heated deep tissue massage configuration designed to deliver soothing thermal therapy directly into muscle tissue while the percussive mechanism is running.
How heavy is the Ekrin B37 compared to the Theragun Prime Plus?
The Ekrin B37 weighs 2.2 pounds, making it roughly half the weight of the Theragun Prime Plus, which is listed at 4.45 pounds. This lower weight significantly reduces wrist and arm fatigue during self-treatment.
What is the Ekrin B37 noise level during use?
The Ekrin B37 listing highlights an ultra-quiet hand-held design powered by a high-powered brushless motor, engineered to minimize motor noise so you can use it in shared spaces without causing a distraction.
How many speed settings and attachments come with the Ekrin B37?
The Ekrin B37 includes 5 speed settings and 4 interchangeable attachments, giving users broad versatility to tailor percussive frequency and head shape to different muscle groups.
What type of battery powers both massagers?
Both massagers run on rechargeable lithium-ion battery power, and each listing confirms that 1 lithium-ion battery is required and included with the product.
Is the Ekrin B37 good for back pain relief?
Yes. The Ekrin B37 is explicitly described as an ergonomic back massager for pain relief, utilizing a lightweight body and comfortable grip that makes reaching upper and lower back muscles straightforward without overextending your arms.
What is the amplitude of the Ekrin B37?
The product listing does not specify the exact stroke length or millimeter amplitude for the Ekrin B37, focusing its published specifications on the high-powered brushless motor, 5 speed settings, and 4 attachments.
Which massage gun is better for athletes?
Athletes dealing with dense muscular knots and requiring rapid warm-up benefit greatly from the heated deep tissue function of the Theragun Prime Plus, whereas athletes seeking a portable, lightweight tool with 4 versatile attachments for travel will appreciate the Ekrin B37.
