Ekrin B37 Review: The Best Independent Massage Gun

Design & Build Quality

The Ekrin B37 uses a 15-degree angled handle — between a straight handle and the 90-degree pistol grip used by Hypervolt. This angle suits most users naturally and feels comfortable on a range of muscle groups. At 2.2 lbs it is slightly heavier than the Theragun Prime but not fatiguing.

Five attachments included: round ball, flat head, bullet, fork, and a flat broad head. All attach via a simple twist mechanism. The build quality is noticeably above budget alternatives — materials feel solid and nothing flexes.

The carrying case is functional but not as premium as the Theragun or Hypervolt cases. The overall impression is a product built for performance rather than branding.

Power & Performance

56 lbs stall force at 12mm amplitude. The stall force is the standout specification: at $130, 56 lbs exceeds the Theragun Prime (30 lbs) and approaches the Hypervolt 3 (60 lbs) at roughly half the price. For sustained deep-tissue application on large muscles under significant hand pressure, the B37 maintains its stroke without stalling where many competing mid-range devices would slow.

12mm amplitude is the same as the Hypervolt 3 and Go 3 — shorter than Theragun’s full-size 16mm. In practice this is adequate for all standard muscle groups. Users who specifically require 16mm depth for dense large muscles should look at Theragun’s range.

Speed & Customisation

Five speeds from 1,400 to 3,200 PPM. The upper speed range (3,200 PPM) is higher than most reviewed devices, which delivers faster percussive action for activation and light warm-up applications. No Bluetooth, no app. Speed selection is via a single button that cycles through the five presets.

Five attachments, no guided routines, no body mapping. For experienced users this is fine; for beginners, the absence of guided direction is the main limitation.

Noise Level

Approximately 50 dB in independent testing — quieter than most mid-range devices and significantly quieter than older-generation devices at this stall force level. The brushless motor runs smoothly without significant vibration into the handle. Usable in most domestic settings without disturbing others in the same room.

Battery Life

8 hours per charge. This is best-in-class by a significant margin — the next-best reviewed device (Ekrin Bantam) achieves 6 hours; most flagship devices deliver 2–4 hours. For personal daily use, 8 hours represents weeks between charges. For a personal trainer or sports physio treating multiple clients daily, the B37 eliminates mid-day charging entirely.

Charging via USB-A (older B37) or USB-C (B37S revision) takes approximately 4–5 hours for a full charge. The battery-to-charge-time ratio is not the B37’s strength, but the baseline capacity means most users rarely need to charge from flat.

App & Software

No companion app, no Bluetooth connectivity. Speed selection and operation are standalone — no phone required. Firmware updates are not available. For users accustomed to guided routines and body-mapped treatment suggestions, this is a real limitation.

Data Privacy

No data is collected — the Ekrin B37 does not connect to any network, account, or application. No privacy considerations apply. For users who have concerns about health data collection, the B37 is the only major device in this review that collects nothing.

Value for Money

~$130 for 56 lbs stall force, 8-hour battery, five attachments, and a lifetime warranty is the best hardware value in this review by a considerable margin. The only genuine sacrifice is the absence of app connectivity — which is worth $119 to some users (the Hypervolt 3 premium) and irrelevant to others.

For budget-conscious users who do not need guided routines, the B37 is the strongest purchase in this category. See the best massage guns guide and best massage guns for athletes for full comparison context.

Final Verdict

The Ekrin B37 is the best mid-range massage gun for users who do not need app connectivity. Its hardware specifications — particularly stall force and battery life — outperform devices that cost considerably more. The lifetime warranty removes long-term replacement risk. For experienced users who know their own treatment needs, it is the most rational purchase across the full range.

Who Should Buy?

Buy the Ekrin B37 if:

• You want the best hardware value and do not need app-guided routines
• 8-hour battery life is a practical benefit for your use pattern
• Long-term ownership with warranty security matters to you

Buy the Hypervolt 3 instead if:

• App connectivity, a pressure sensor, and guided routines are worth $119 more

Buy the Theragun Prime instead if:

• Therabody’s 16mm amplitude and app access are specifically important