The single deciding difference between these two percussion massagers comes down to structural footprint versus digital ecosystem: the Theragun Pro provides a substantial, Bluetooth-enabled frame engineered for deep tissue therapy across the entire body, whereas the Ekrin B37 delivers an ultra-compact, lightweight format with a quiet brushless motor for effortless daily handling.
Athletes and practitioners who require smart connectivity and a heavy-duty percussive frame should invest in the Theragun Pro.
Shoppers prioritizing agile maneuverability, low arm fatigue, and quiet home recovery should choose the Ekrin B37.
Theragun Pro vs Ekrin B37 at a Glance
| Feature | Theragun Pro | Ekrin B37 |
|---|---|---|
| Brand | Therabody | EKRINATHLETICS |
| Item Model Number | Pro (5th Gen) | B37v2 |
| Dimensions | 11.9 x 4.2 x 12.3 inches | 5.91 x 3.15 x 2.36 inches |
| Weight | 5.8 pounds | 2.2 pounds |
| Motor Type | Deep tissue percussion motor | High-powered brushless motor |
| Speed Settings | The listing does not specify | 5 speeds |
| Included Attachments | The listing does not specify | 4 attachments |
| Connectivity | Bluetooth enabled | The listing does not specify |
| Battery | 1 Lithium Ion battery required (included) | 1 Lithium Ion battery required (included) |
| Best For | Connected deep tissue routines and athletic recovery | Lightweight handling and quiet daily muscle relief |
Size, Weight, and Ergonomic Maneuverability
Physical mass and chassis dimensions dictate how comfortable a percussion tool feels during long treatment sessions. The B37 weighs in at 2.2 pounds with compact dimensions of 5.91 x 3.15 x 2.36 inches. This slender footprint lets you shift your grip effortlessly, angle the massage head without excessive forearm strain, and store the unit easily in a compact travel pouch. When assessing how a device feels over a full fifteen-minute routine, shedding more than half the weight of traditional commercial massagers makes an undeniable difference for everyday users.
By contrast, the Pro stands out as a significantly larger machine. The manufacturer listing notes dimensions of 11.9 x 4.2 x 12.3 inches and a total item weight of 5.8 pounds. This considerable heft anchors the massager against major muscle groups, providing the physical presence that sports therapists often rely on to sustain pressure without pressing down manually. However, users managing chronic back tension or reaching around their own shoulder blades will experience quicker wrist and grip fatigue compared to a lighter design, a trade-off often observed in our theragun prime vs pro analysis.
When deciding between the Theragun Pro or Ekrin B37 for back pain, the physical distribution of weight changes your ability to self-treat. The substantial 5.8-pound chassis of the Pro can act as natural ballast when working on lower extremities, but maneuvering that same bulk along your thoracic spine without assistance presents a physical challenge. The B37, at barely over two pounds, permits fluid single-handed passes across sensitive shoulder blades and hard-to-reach lumbar regions without requiring intense physical effort.
Edge: Ekrin B37 because its 2.2-pound lightweight chassis drastically reduces arm fatigue during self-treatment sessions.
Motor Performance, Speed Control, and Mechanical Output
Percussion therapy relies on sustained motor power to push past the superficial layers of fascia without bogging down. The B37 features a dedicated high-powered brushless motor configured with 5 distinct speed settings. This broad speed ladder allows users to dial back the velocity for sensitive regions like the cervical spine or ramp up into higher cycles when breaking up dense knots in the hamstrings and quadriceps. Brushless engineering also minimizes internal friction, promoting longevity and steady mechanical pacing.
The Pro is built around a heavy-duty percussion system designed specifically for intensive deep tissue therapy, blood flow circulation, and muscular relief across the neck, back, legs, and shoulders. While many readers analyzing an Ekrin B37 vs Theragun Pro comparison look specifically for advertised power numbers, the manufacturer listings present different technical disclosures. The Pro listing confirms a fifth-generation deep tissue personal massager mechanism, though it does not publish an exact numerical speed breakdown or stroke count on the Amazon product page.
Enthusiasts regularly search for specific metrics such as Ekrin B37 stall force and Theragun Pro amplitude to gauge absolute penetrating depth. The official Amazon listing data does not specify an exact stall force poundage for the B37, nor does it list the stroke amplitude in millimeters for the Pro. However, comparing hardware classifications reveals clear application differences: the B37 emphasizes adjustable multi-speed brushless output, while the Pro focuses on uncompromising deep-tissue percussion, a dynamic similar to what readers encounter in our theragun pro vs hypervolt 2 pro breakdown.
Edge: Ekrin B37 because its high-powered brushless motor includes 5 explicitly defined speed settings for granular intensity control.
Smart Connectivity and Digital Routine Integration
Modern recovery tools increasingly incorporate smart tech to bridge the gap between amateur self-massage and guided physical therapy. The Pro directly addresses this with built-in Bluetooth connectivity. This wireless integration enables communication with compatible software platforms, allowing the device to execute structured recovery sequences tailored to specific muscle groups such as the neck, back, legs, and shoulders. Having pre-programmed guided pacing takes the guesswork out of recovery durations and targeted body placement.
The B37 takes a strictly analogue, standalone approach to recovery. Its Amazon listing does not specify any wireless connectivity, Bluetooth hardware, or app synchronization. Instead, the B37 relies entirely on on-device physical controls to shift through its 5 speeds. For users who prefer a direct plug-and-play experience without opening a smartphone application, this simplified operation eliminates setup friction and digital troubleshooting entirely.
Nevertheless, for serious performance tracking and step-by-step guidance, digital integration adds measurable value. In any comprehensive Theragun Pro review, the inclusion of Bluetooth serves as a core justification for the device’s specialized positioning, helping users treat complex pain patterns systematically. Readers examining connected recovery options in our theragun pro vs hypervolt 2 comparison will find that the Pro excels when paired with interactive therapeutic protocols.
Edge: Theragun Pro because its integrated Bluetooth connectivity supports structured, app-guided percussive therapy.
Attachment Selection and Anatomical Targeting
The attachments bundled with a percussive massager determine how effectively you can adapt the stroke to different muscular contours. The B37 listing explicitly confirms the inclusion of 4 targeted attachments alongside its high-powered motor. Having four distinct head profiles allows users to switch between broader surfaces for large muscle groups like the glutes and focused applicators for pinpoint trigger point relief along the calf muscles and arches of the feet.
The Pro Amazon listing highlights targeted relief across five primary anatomical zones: neck, back, leg, shoulder, and general body circulation. However, the product specifications on the listing do not specify the exact count or material composition of the included attachments in the box. While the device is fully equipped to deliver deep tissue relief across all major muscle chains, buyers looking strictly at the provided retail data are given an explicit count with the Ekrin product that is missing from the Pro listing.
When asking whether to pick the Theragun Pro or Ekrin B37 for athletes, attachment flexibility matters as much as raw motor strength. Runners, weightlifters, and field sport athletes need dedicated shapes to trace along tendon insertions and muscle bellies safely. As highlighted in our review of the theragun prime vs ekrin b37, having a clearly stated suite of 4 attachments out of the box guarantees immediate functional versatility without requiring separate accessory purchases.
Edge: Ekrin B37 because its specifications explicitly verify a comprehensive 4-attachment kit for varied anatomical applications.
Noise Level and Daily Acoustic Practicality
The acoustic output of a percussive massager heavily influences where and when you can use it. The B37 listing specifically identifies the device as an ultra-quiet hand-held massager powered by a brushless motor. Brushless motors generate significantly less mechanical clatter and internal vibration than traditional brushed designs. This acoustic dampening makes the B37 practical for unwinding in front of the television, treating sore shoulders in an office cubicle, or waking up tight muscles early in the morning without disturbing housemates.
The Pro is built as a fifth-generation personal massager focused on powerful, deep tissue impact. While modern design updates continue to refine internal sound baffling, the Amazon product listing does not list proprietary quiet-force technology or decibel ratings for this model. Given its larger 5.8-pound frame and heavy-duty percussion motor, acoustic output and chassis vibration will naturally feel more prominent in hand than a whisper-quiet compact massager.
When buyers consider is Ekrin B37 worth it or is Theragun Pro worth it, daily convenience often outweighs laboratory performance. A tool that operates quietly and holds comfortably in the hand gets used far more consistently than a bulky machine that rattles the room. While heavy-duty power has its place, the acoustic discretion of the B37 makes it remarkably user-friendly for everyday routines, a point echoed in our hypervolt 2 pro vs ekrin b37 evaluation.
Edge: Ekrin B37 because its listing confirms an ultra-quiet hand-held design driven by a brushless motor.
Pros and Cons
Theragun Pro
Pros
- Bluetooth enabled connectivity
- Targeted neck back leg shoulder relief
- 5th generation deep tissue build
- Lithium-ion battery included
Cons
- Heavy 5.8-pound unit weight
- Large 12.3-inch frame
- Listing omits attachment count
Ekrin B37
Pros
- Lightweight 2.2-pound design
- High-powered brushless motor
- 5 adjustable speed settings
- 4 specialized attachments included
- Ultra quiet hand-held operation
Cons
- No Bluetooth app connectivity
- Compact frame offers shorter reach
Who Should Buy Each One
Choose the Theragun Pro If
- You want Bluetooth connectivity to run guided therapy programs from your mobile device.
- You prefer a substantial 5.8-pound commercial-style frame that provides heavy natural ballast against large muscle groups.
- You need an intensive 5th Gen personal massager built specifically for demanding athletic deep tissue work.
- You are treating full-body muscle chains across the neck, back, legs, and shoulders with structured protocols.
Choose the Ekrin B37 If
- You need an ultra-portable 2.2-pound massager that will not cause arm or wrist fatigue during self-treatment.
- You want a confirmed 5-speed setup driven by a quiet, high-powered brushless motor.
- You prefer an all-in-one recovery kit that explicitly lists 4 targeted attachments out of the box.
- You require a quiet device for use in shared living spaces, offices, or late-night recovery sessions.
Final Verdict
The Ekrin B37 is the superior choice for the vast majority of home users, casual fitness enthusiasts, and individuals suffering from daily muscle tightness. Its 2.2-pound lightweight body, ultra-quiet brushless motor, 5 discrete speed levels, and 4 included attachments combine to deliver a friction-free recovery experience. By eliminating unnecessary bulk, it allows you to treat hard-to-reach back and neck muscles without fatiguing your hands and arms in the process.
The Theragun Pro remains the dedicated selection for competitive athletes, sports trainers, and individuals who want a connected percussive therapy experience. With its 5th-generation deep tissue percussion mechanism and integrated Bluetooth capabilities, it excels at structured, app-driven recovery sessions where targeted full-body treatment routines are paramount. If you prioritize guided digital therapy and substantial percussive mechanics over lightweight convenience, the Pro delivers the heavy-duty build you need.
FAQ
Which massage gun is better for treating back pain?
The Ekrin B37 is generally easier for treating back pain because its 2.2-pound lightweight frame and compact dimensions allow you to reach behind your own torso without straining your shoulders or wrists. While the Theragun Pro provides deep tissue percussion across the back, its 5.8-pound listed weight makes unassisted back treatments much more physically demanding.
How much heavier is the Theragun Pro compared to the Ekrin B37?
According to the product specifications, the Theragun Pro weighs 5.8 pounds, whereas the Ekrin B37 weighs 2.2 pounds. This makes the Theragun Pro more than two and a half times heavier than the Ekrin B37.
What is the stall force of the Ekrin B37?
The Amazon product listing does not specify the exact stall force in pounds for the Ekrin B37. The listing confirms that the massager utilizes a high-powered brushless motor with 5 adjustable speeds, but does not publish a maximum stall pressure rating.
What is the amplitude measurement of the Theragun Pro?
The Amazon product listing does not specify the stroke amplitude in millimeters for the 5th Gen Theragun Pro. It identifies the device as a handheld deep tissue percussion massager designed for pain relief and circulation across major muscle groups.
Does the Ekrin B37 include Bluetooth connectivity?
The listing for the Ekrin B37 does not specify Bluetooth connectivity or mobile app pairing. It operates as an independent, standalone massage gun managed directly via its onboard controls, unlike the Bluetooth-enabled Theragun Pro.
How many speed settings does the Ekrin B37 offer?
The Ekrin B37 features 5 distinct speed settings, allowing users to customize the cadence of the high-powered brushless motor based on muscle sensitivity and treatment goals.
Are rechargeable batteries included with both massage guns?
Yes, the specifications for both models confirm that 1 Lithium Ion battery is required and included in the box with each massage gun.
