WHOOP ONE 5.0 Sensor vs WHOOP 4.0 Sensor
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  WHOOP ONE 5.0 Sensor |  WHOOP 4.0 Sensor |
|---|---|---|
| Price | KSh 37,000.00 | KSh 36,000.00 |
| Battery capacity | Internal lithium-ion battery; capacity not published | Internal rechargeable battery; capacity not published |
| Water resistance | IP68, dust-tight and water-resistant up to 10 m; swimming and showering supported, not diving | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin temperature, recovery, strain, steps, VO2 max and hormonal insights; not a medical device | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device |
Full specifications
2 of 4 products
| Specification | WHOOP ONE 5.0 Sensor | WHOOP 4.0 Sensor |
|---|---|---|
| Identity & design | ||
| Brand | WHOOP | WHOOP |
| Model | WHOOP 5.0 sensor — One membership bundle | WHOOP 4.0 sensor |
| Dimensions | 34.7 × 24 × 10.6 mm | Exact dimensions not published in current WHOOP support documentation |
| Weight | Approximately 26.5 g with band | Exact weight not published in current WHOOP support documentation |
| Build materials | Compact screen-free sensor housing with durable skin-safe metal components | Screen-free continuous-wear sensor housing |
| Sensors, health & fitness | ||
| Sensors | Enhanced PPG sensor and skin-temperature sensor; no ECG or Blood Pressure Insights on WHOOP 5.0 | Photoplethysmography sensors and skin-temperature sensing |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin temperature, recovery, strain, steps, VO2 max and hormonal insights; not a medical device | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device |
| Sleep tracking | Sleep duration, stages, sleep need, sleep performance and recovery tracking | Automatic sleep detection, sleep duration, stages, sleep need and sleep performance |
| Sports / workout modes | More than 145 supported activities | Automatic and manual activity tracking |
| Battery & durability | ||
| Battery capacity | Internal lithium-ion battery; capacity not published | Internal rechargeable battery; capacity not published |
| Battery life | Up to 14+ days per charge | Approximately 5 days |
| Charging | USB-C Basic Charger off-wrist; Wireless PowerPack supported for on-wrist charging | WHOOP 4.0 slide-on wireless Battery Pack for on-wrist charging |
| Water resistance | IP68, dust-tight and water-resistant up to 10 m; swimming and showering supported, not diving | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving |
| Compatibility | ||
| Phone compatibility | Compatible iPhone or Android phone; current support recommends iOS 18+ or Android 11+ | Compatible iPhone or Android phone; current support recommends iOS 18+ or Android 10+ |
| Companion app | WHOOP app | WHOOP app |
| Colors | Jet Black CoreKnit band in the One bundle | — |
| Additional specifications | ||
| Vibration motor | Haptic alarm motor | — |
| Charging time | Approximately 120 minutes | Approximately 150 minutes for the sensor; around 2 hours for the Battery Pack |
| Movement sensors | High-accuracy accelerometer | Accelerometer |
| Bluetooth and Wi-Fi | Bluetooth; Bluetooth 5.0 or later recommended | Bluetooth 4.2 or higher |
| Packing list | WHOOP 5.0 sensor, CoreKnit Jet Black band and corded Basic Charger | WHOOP 4.0 sensor, compatible band and WHOOP 4.0 Battery Pack |
| Smart recognition | Automatic activity detection supported | Automatically recognizes 45 activity types |
| Energy, load and readiness features | Recovery, Strain and Sleep scores with coaching | Recovery, Strain and Sleep scores with personalized coaching |
| strap material | CoreKnit performance knit | SuperKnit performance band |
| armband | WHOOP 5.0 CoreKnit band; WHOOP 4.0 bands are not compatible | WHOOP 4.0 band; not compatible with WHOOP 5.0 or MG |
| temperature monitoring | Skin-temperature trend tracking | — |
| offline storage | Continuous sensor data sync through the WHOOP app | — |
| heart rate broadcast | Real-time heart-rate broadcast supported | Real-time heart-rate broadcast supported |
| Included membership tier | WHOOP One, 12-month subscription bundle as listed | — |
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