We may earn a commission when you buy through our links. Rankings are formula-based and never paid for. As an Amazon Associate I earn from qualifying purchases. Disclosure

Ekrin B37

Ranked #16 of 34 in Best Massage Guns: Theragun, Hypervolt, Bob and Brad, Renpho, Ekrin & Opove (2026). Here is every spec we scored, where it came from, and how it compares.

Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.

#16

Ekrin B37

Best for: 8 h battery at 35–55 dB

4.1/10

What we like

  • Top battery life in this comparison (8 h)

Watch out for

  • Amplitude (stroke) not published by Ekrin
  • Stall force not published by Ekrin

Score breakdown

Amplitude (stroke) * 25%
Stall force * 20%
Battery life 15%
Noise 10%
Weight 10%
Heated head included * 10%
Top speed 5%
Speed settings 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Amplitude (stroke)Not listed
Stall forceNot listed
Battery life8 h
Noise55 dB
Weight2.2 lb
Heated head includedNot listed
Top speed3200 per min
Speed settings5
Percussion range1,400–3,200 per minute
AmplitudeNot published by the maker
Stall forceNot published by the maker
Noise basis35–55 dB range as listed
PriceCheck price
Check price at Amazon
Specs source:

Ekrin B37 head-to-head

Head-to-headEkrin Kestrel vs Ekrin B37

How it compares

Open the full comparison table

Bob and Brad D6 Pro
6.5/10
#1 · Highest stall force here: 85 lb with 16 mm amplitude
Bob and Brad D6 Pro Max+
6.5/10
#2 · 16 mm amplitude, 85 lb stall force
Ekrin Kestrel
6.1/10
#3 · Widest range here: 1,800–3,500 RPM, 8 h battery
Opove Apex
5.8/10
#4 · 14.5 mm amplitude at 49 dB
Opove M3 Pro
5.8/10
#5 · 70 lb stall force with 12 mm amplitude
Bob and Brad X6 Pro Max
5.5/10
#6 · 55 lb stall force with heat and cold heads
Renpho Active+
5.4/10
#7 · 10 mm amplitude, 50 lb stall force, 3.5 h
Bob and Brad C2 Ultra
5.2/10
#8 · 44 lb stall force at 42 dB
Bob and Brad A7 Mini
5.1/10
#9 · 11 mm amplitude in a 1.3 lb mini
Renpho Power+ Thermacool
5.0/10
#10 · 12 mm amplitude, 6 speeds, 4 h battery
Bob and Brad D5 Pro
5.0/10
#11 · 13 mm amplitude, 55 lb stall force, 4 h battery
Renpho Active+ Thermacool
4.7/10
#12 · 50 lb stall force with heat and cold head
Theragun Prime Plus
4.7/10
#13 · 16 mm amplitude with 3 heat levels
Bob and Brad T2 Ultra
4.6/10
#14 · 45 lb stall force under 45 dB
Theragun PRO Plus
4.2/10
#15 · 16 mm amplitude with heat, LED and vibration
Opove M3 Mini
3.8/10
#17 · Lightest here: 0.58 lb at 40 dB
Bob and Brad S9 Ultra
3.8/10
#18 · 5 h battery with heat
Bob and Brad M7 Plus Mini
3.7/10
#19 · 0.88 lb mini with heat
Bob and Brad Q2 Pro Mini
3.7/10
#20 · 0.95 lb at 40 dB with heat and cold head
Theragun Prime
3.6/10
#21 · 16 mm amplitude, drop-resistant
Ekrin Bantam
3.5/10
#22 · 1.1 lb with a 6 h battery
Renpho Mini Thermal
3.3/10
#23 · 0.78 lb with heat, 26 lb stall force
Renpho Active Mini Thermacool
3.3/10
#24 · 8 mm mini with heat and cool head
Hypervolt 3
3.1/10
#25 · Quietest Hyperice listed here: 48 dB, heated head
Renpho Ascend
3.1/10
#26 · Adjustable 6–12 mm amplitude
Hypervolt 3 Pro
3.0/10
#27 · 6 speeds with heated head and 4 h battery
Theragun Mini Plus
2.8/10
#28 · Travel-size with heat
Theragun Sense
2.6/10
#29 · 12 mm amplitude with pressure feedback
Hypervolt Go 3
2.0/10
#30 · 1.6 lb with 4 h battery
Theragun Relief
2.0/10
#31 · Gentlest 10 mm amplitude at 1.37 lb
Theragun Mini (3rd Gen)
1.2/10
#32 · Travel-size, 150 minutes
Hypervolt Go 2
1.2/10
#33 · 1.5 lb travel gun
Hypervolt 2 Pro
1.1/10
#34 · Brushless 90 W motor