Omron
Omron Pocket Pain Pro (PM400)
$51.99Cheaper
Best Tens Units · head-to-head
Omron Pocket Pain Pro (PM400) vs Compex Edge 3.0
A sourced, side-by-side comparison. Omron Pocket Pain Pro (PM400) is cheaper at $51.99. Every spec and price links to its source.
Compex
Compex Edge 3.0
$149.99
Which is better: the Omron Pocket Pain Pro (PM400) or Compex Edge 3.0?
On the specs we track, they're closely matched. The Omron Pocket Pain Pro (PM400) is the cheaper at $51.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Omron Pocket Pain Pro (PM400) | Compex Edge 3.0 |
|---|---|---|
| US price | $51.99 | $149.99 |
| Brand | Omron | Compex |
| Released | — | — |
| Output channels | 1 | 4 |
| Intensity levels | 10 | 999 |
| Preset modes | 5 (3 pain-relief programs: Arm/Shoulder, Lower Back, Leg/Foot + 2 massage modes: Knead, Steady) | 4 (Resistance, Strength, Recovery, TENS) |
| Power source | 2x AAA batteries (included) | rechargeable Li-ion battery (USB), up to 8 hrs of stimulation |
| Electrode pads included | 2 | 6 |
| Timer range min | 0-15 | — |
| Wireless | No | No |
| Fda cleared | Yes | Yes |
Sources — Omron Pocket Pain Pro (PM400): omronhealthcare.com (verified 2026-08-01). Compex Edge 3.0: medgrade.org (verified 2026-08-01).
What's the difference between the Omron Pocket Pain Pro (PM400) and Compex Edge 3.0?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Output channels: Omron Pocket Pain Pro (PM400) 1 vs Compex Edge 3.0 4
- Intensity levels: Omron Pocket Pain Pro (PM400) 10 vs Compex Edge 3.0 999
- Preset modes: Omron Pocket Pain Pro (PM400) 5 (3 pain-relief programs: Arm/Shoulder, Lower Back, Leg/Foot + 2 massage modes: Knead, Steady) vs Compex Edge 3.0 4 (Resistance, Strength, Recovery, TENS)
- Power source: Omron Pocket Pain Pro (PM400) 2x AAA batteries (included) vs Compex Edge 3.0 rechargeable Li-ion battery (USB), up to 8 hrs of stimulation
- Electrode pads included: Omron Pocket Pain Pro (PM400) 2 vs Compex Edge 3.0 6