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Wearable comparison

WHOOP ONE 5.0 vs WHOOP 4.0

Compare battery life, health tracking, display and fit.

Compared products
01Selected
WHOOP ONE 5.0 Sensor

WHOOP ONE 5.0 Sensor

  • About 26.5 g.
  • Screenless tracker.
  • Up to 14+ days.
  • Bluetooth.
  • IP68 water and dust resistance.
KSh 37,000In Stock
02
WHOOP 4.0 Sensor

WHOOP 4.0 Sensor

  • Screenless tracker.
  • Approximately 5 days.
  • Bluetooth 4.2.
  • IP68 water and dust resistance.
  • PPG heart-rate sensor.
KSh 36,000In Stock

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2 of 4 products

Our quick verdict

Of these two screenless trackers, the WHOOP ONE 5.0 Sensor is the stronger choice: it lasts longer between charges (14 days vs 5 days), though it needs a WHOOP membership, while the WHOOP 4.0 Sensor only costs KSh 1,000 less.

Battery life

WHOOP ONE 5.0 Sensor
Up to 14+ days
WHOOP 4.0 Sensor
Approximately 5 days

Connections

WHOOP ONE 5.0 Sensor
Bluetooth
WHOOP 4.0 Sensor
Bluetooth 4.2

Charging

WHOOP ONE 5.0 Sensor
USB-C Basic Charger, compatible with Wireless PowerPack
WHOOP 4.0 Sensor
WHOOP 4.0 slide-on wireless Battery Pack

Companion app

WHOOP ONE 5.0 Sensor
WHOOP with One membership
WHOOP 4.0 Sensor
WHOOP

Strap / band

WHOOP ONE 5.0 Sensor
CoreKnit Jet Black
WHOOP 4.0 Sensor
WHOOP 4.0 SuperKnit

Key differences

The main differences to help you choose.

WHOOP ONE 5.0 Sensor

  • Longer battery life: up to 14 days (vs 5 days).
  • Charging: USB-C Basic Charger.

WHOOP 4.0 Sensor

  • Lower price: KSh 36,000 (vs KSh 37,000).
  • Charging: WHOOP 4.0 slide-on wireless Battery Pack.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Battery lifeUp to 14+ daysApproximately 5 days
ConnectionsBluetoothBluetooth 4.2
ChargingUSB-C Basic Charger, compatible with Wireless PowerPackWHOOP 4.0 slide-on wireless Battery Pack
Companion appWHOOP with One membershipWHOOP
Strap / bandCoreKnit Jet BlackWHOOP 4.0 SuperKnit
strap materialCoreKnitSuperKnit

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
DisplayScreenless trackerScreenless tracker
Screen resolutionNot applicableNot applicable
Display protection——

Connectivity

Connectivity specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Positioning / GNSSConnected smartphone GPS; no built-in GPSConnected smartphone GPS; no built-in GPS

Identity & design

Identity & design specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
BrandWHOOPWHOOP
ModelWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Dimensions34.7 × 24 × 10.6 mm—
WeightApproximately 26.5 g—
Build materialsSensor housing with stainless-steel components; LED indicatorsScreenless sensor housing
Strap / bandCoreKnit Jet BlackWHOOP 4.0 SuperKnit

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
SensorsPPG heart-rate sensor; accelerometer; skin-temperature sensorPPG heart-rate sensor; accelerometer; skin-temperature sensor
Health & wellness featuresContinuous heart rate; HRV; respiratory rate; skin temperature; Recovery; StrainContinuous heart rate; HRV; respiratory rate; skin temperature; Recovery; Strain
Sleep trackingLight, REM and deep sleep; duration; performance; consistency; sleep needLight, REM and deep sleep; duration; performance; consistency; sleep need
Sports / workout modesAutomatic and manual activity trackingAutomatic and manual activity tracking

Battery & durability

Battery & durability specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Battery lifeUp to 14+ daysApproximately 5 days
ChargingUSB-C Basic Charger; compatible with Wireless PowerPackWHOOP 4.0 slide-on wireless Battery Pack
Water resistanceIP68; up to 10 m for 2 hoursIP68; up to 10 m for 2 hours

Compatibility

Compatibility specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Phone compatibilityiOS 18 or later recommended; Android 11 or later recommendedAndroid 10 or later; iOS 18 or later recommended
Companion appWHOOP with One membershipWHOOP

Additional specifications

Additional specifications specifications comparison
SpecificationWHOOP ONE 5.0 SensorWHOOP 4.0 Sensor
Charging timeApproximately 120 minutesApproximately 150 minutes
Movement sensorsAccelerometerAccelerometer
Bluetooth and Wi-FiBluetoothBluetooth; phone Bluetooth 4.2 or later
Packing listWHOOP 5.0; CoreKnit Jet Black band; Basic ChargerWHOOP 4.0 sensor; compatible band; WHOOP 4.0 Battery Pack
Smart recognitionAutomatic activity detectionAutomatic activity detection
Energy, load and readiness featuresRecovery; Strain; Sleep scores; personalized coachingRecovery; Strain; Sleep scores; personalized coaching
strap materialCoreKnitSuperKnit
temperature monitoringSkin-temperature tracking—
Included membership tierWHOOP One, 12-month subscription bundle as listed—

Similarities

  • Both are rated IP68.
  • Both are water resistant to 10 m.
  • Both give daily scores (Recovery, Strain, Sleep need).
  • Same display: screenless tracker.
  • Same positioning / GNSS: connected smartphone GPS.
  • Same sensors: PPG heart-rate sensor.

In summary

For most buyers the WHOOP ONE 5.0 Sensor is the better buy; the WHOOP 4.0 Sensor makes sense if price matters most, as it costs less.

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