Fourth Frontier
Fourth Frontier Frontier X2
$579
Best Portable Ecg Monitors · head-to-head
Fourth Frontier Frontier X2 vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900)
A sourced, side-by-side comparison. OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) is cheaper at $163.99. Every spec and price links to its source.
Omron
OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900)
$163.99Cheaper
Which is better: the Fourth Frontier Frontier X2 or OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900)?
On the specs we track, they're closely matched. The OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) is the cheaper at $163.99.
See Fourth Frontier Frontier X2 on Amazon See OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Fourth Frontier Frontier X2 |  OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) |
|---|---|---|
| US price | $579 | $163.99 MSRP on omronhealthcare.com |
| Brand | Fourth Frontier | Omron |
| Released | — | — |
| Leads | 1 (continuous single-lead ECG resembling the V5 12-lead position) | 1 |
| Recording duration | Up to 24 hours of continuous ECG recording per session | 30 seconds (single-lead EKG capture during a BP reading) |
| Afib detection | — | Yes |
| Fda clearance | FDA 510(k) cleared (device itself is marketed as wellness, not diagnostic, per its own disclaimer) | FDA 510(k) cleared (product code DXN, Class II) |
| Bluetooth | Yes | Yes |
| Display | None; chest-strap wearable with no on-device screen, data reviewed via app/web dashboard | No on-device large-digit or icon display for the EKG trace itself; readings reviewed primarily in the OMRON Connect app |
| Onboard storage | Onboard memory chip records data with no phone connection required, described as 'zero data loss' | 90 blood-pressure measurements stored on device; unlimited via app sync |
| Battery | Up to 14 days on typical use (~1 hour of ECG recording per day) | 4x AA batteries (included); no AC-adapter option |
| Companion app | Frontier X app (live dashboards, trends, workout history) plus a web dashboard | OMRON Connect (iOS/Android) |
Sources — Fourth Frontier Frontier X2: fourthfrontier.com (verified 2026-11-05). OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900): omronhealthcare.com (verified 2026-08-05).
What's the difference between the Fourth Frontier Frontier X2 and OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900)?
Where the two actually differ on the specs we track (7 of 9). Matching specs are omitted.
- Leads: Fourth Frontier Frontier X2 1 (continuous single-lead ECG resembling the V5 12-lead position) vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) 1
- Recording duration: Fourth Frontier Frontier X2 Up to 24 hours of continuous ECG recording per session vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) 30 seconds (single-lead EKG capture during a BP reading)
- Fda clearance: Fourth Frontier Frontier X2 FDA 510(k) cleared (device itself is marketed as wellness, not diagnostic, per its own disclaimer) vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) FDA 510(k) cleared (product code DXN, Class II)
- Display: Fourth Frontier Frontier X2 None; chest-strap wearable with no on-device screen, data reviewed via app/web dashboard vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) No on-device large-digit or icon display for the EKG trace itself; readings reviewed primarily in the OMRON Connect app
- Onboard storage: Fourth Frontier Frontier X2 Onboard memory chip records data with no phone connection required, described as 'zero data loss' vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) 90 blood-pressure measurements stored on device; unlimited via app sync
- Battery: Fourth Frontier Frontier X2 Up to 14 days on typical use (~1 hour of ECG recording per day) vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) 4x AA batteries (included); no AC-adapter option
- Companion app: Fourth Frontier Frontier X2 Frontier X app (live dashboards, trends, workout history) plus a web dashboard vs OMRON Complete Wireless Upper Arm Blood Pressure Monitor + EKG (BP7900) OMRON Connect (iOS/Android)