Ekrin B37 v2 vs ReAthlete DEEP4s - Clinical Comparison
Compare Ekrin B37 v2 and ReAthlete DEEP4s side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations
Performance Metrics
Performance Metrics
Percussion Quality
Evaluates the depth, smoothness, and consistency of the percussive strokes under varying levels of pressure.
Percussion Quality
Evaluates the depth, smoothness, and consistency of the percussive strokes under varying levels of pressure.
Ease of Use
Measures how intuitive the device is to operate, including ergonomics, interface, and attachment swapping.
Ease of Use
Measures how intuitive the device is to operate, including ergonomics, interface, and attachment swapping.
Noise Level
Assesses the operational volume of the device across different speed settings.
Noise Level
Assesses the operational volume of the device across different speed settings.
Value for Money
Evaluates the device's feature set and performance relative to its retail price.
Value for Money
Evaluates the device's feature set and performance relative to its retail price.
Clinical Efficacy
Clinical Efficacy
Muscle Recovery Effectiveness
How well the device accelerates muscle recovery and reduces delayed onset muscle soreness (DOMS).
Muscle Recovery Effectiveness
How well the device accelerates muscle recovery and reduces delayed onset muscle soreness (DOMS).
Pain Reduction
The device's ability to temporarily alleviate acute and chronic muscle pain.
Pain Reduction
The device's ability to temporarily alleviate acute and chronic muscle pain.
Range of Motion Improvement
Impact on flexibility and joint mobility following application.
Range of Motion Improvement
Impact on flexibility and joint mobility following application.
Deep Tissue Penetration
The ability to treat thick, dense muscle groups and deep trigger points effectively.
Deep Tissue Penetration
The ability to treat thick, dense muscle groups and deep trigger points effectively.
Specifications
| Specification | Ekrin B37 v2 | ReAthlete DEEP4s |
|---|---|---|
| Price | $188 | $130 |
| FDA Status | FDA Registered | FDA Registered |
| Clinical Evidence | Moderate Clinical Evidence | Strong Clinical Evidence |
| Clinical Recommendation | Highly Recommended | Highly Recommended |
Value for Money
Ekrin B37 v2
Strengths
- ✓ Signature 15-degree angled handle significantly reduces wrist strain
- ✓ Incredible 8-hour battery life with USB-C PD charging
- ✓ 5 distinct speed settings ranging up to 3200 RPM
- ✓ Includes a protective travel case and 4 locking attachments
- ✓ Backed by an industry-leading lifetime warranty
Limitations
- × Lacks Bluetooth app connectivity and guided smart routines
- × 12mm amplitude may be too shallow for users desiring maximum deep tissue penetration
- × Independent testing suggests functional stall force feels slightly lower than the stated 56 lbs
ReAthlete DEEP4s
Strengths
- ✓ 3-angle adjustable arm provides superior reach and ergonomics
- ✓ Professional-grade 60 lb stall force
- ✓ Exceptionally quiet operation under 55 dB
- ✓ Long-lasting battery providing up to 8 hours of use
- ✓ Incredible price-to-performance ratio
Limitations
- × Lacks Bluetooth connectivity and smart app features
- × Slightly bulkier than newer, streamlined fixed-arm models
- × 1-year warranty is shorter than some direct competitors
Expert Review Summary
Our clinical assessment and verdict for each device
Ekrin B37 v2
"The Ekrin B37 v2 pairs a highly ergonomic 15-degree angled handle with an astounding 8-hour battery life, making it a reliable, long-lasting choice for daily muscle recovery."
The Ekrin B37 v2 distinguishes itself in the mid-tier massage gun market primarily through its exceptional ergonomics and battery efficiency. Built with a signature 15-degree angled handle, it allows users to utilize a 'tower grip' to reach the upper back and posterior chain with significantly less wrist and forearm strain than traditional T-shaped or hammer-style designs. Under the hood, it delivers a 12mm amplitude and a manufacturer-stated 56 lbs of stall force. It features 5 speed settings ranging from 1400 to 3200 RPM, giving users the ability to perform everything from light muscle activation to aggressive lactic acid flushing. While it lacks smart app connectivity, it makes up for it with a massive 8-hour battery life via USB-C PD charging, 4 quality locking attachments, and Ekrin's lifetime warranty. At its price point, it provides outstanding durability and usability for both casual users and dedicated athletes.
ReAthlete DEEP4s
"The ReAthlete DEEP4s offers exceptional value by providing a 3-angle adjustable arm, massive stall force, and deep percussive reach for a fraction of the price of premium competitors."
The ReAthlete DEEP4s stands out as one of the best overall value propositions in the percussive therapy market, proving that you do not need to spend upwards of $400 for professional-grade recovery. It boasts an impressive 60 lb stall force and a deep amplitude (variously listed and tested between 12mm and 16mm) that easily rivals flagship models like the Theragun PRO. A major highlight of the DEEP4s is its 3-angle adjustable arm, which significantly improves ergonomics by allowing users to treat hard-to-reach areas like the mid-back, shoulders, and hamstrings without awkward wrist strain. Operating across 4 speed settings (ranging from 1200 to 3200 RPM), it runs exceptionally quietly-registering under 55 dB even at maximum power. With a battery life extending up to 8 hours (or 3 hours on maximum speed), 90-minute fast charging, and 5 interchangeable attachment heads included in a premium travel case, it is a durable, high-performance workhorse. While it skips the smart app connectivity and OLED screens of higher-end brands, its raw mechanical power, adjustable ergonomics, and $129.99 price point make it a top recommendation for athletes and recovery enthusiasts alike.
Where to Buy
Verified purchase options and current availability
Ekrin B37 v2
Ekrin Athletics
$187.50ReAthlete DEEP4s
Top ChoiceReAthlete
$129.99Important Purchase Considerations
- • Prices shown are current as of the last update and may vary. Always verify pricing at the retailer's website.
- • Some medical devices may require a prescription. Check with your healthcare provider before purchasing.
- • Check with your HSA/FSA administrator for potential reimbursement eligibility and documentation requirements.
- • Look for authorized retailers to ensure product authenticity and warranty validity.