specly

WHOOP 4.0 vs Ignite 2

WHOOP 4.0

2021 · $1 today

6756
Ignite 2

2021 · $179.95 today

7460
Health trackingFitnessBatteryDisplayComfortValue
WHOOP 4.0Ignite 2

Dashed outline = score at launch

Why WHOOP 4.0 is better

  • Weight: 9 g vs 35 g(3.9× less)
  • Water resistance: 10 m vs 3 ATM(3.3× more)

Why Ignite 2 is better

No standout numeric advantages.

Verdict

WHOOP 4.0 leads outright in 3 of 6 dimensions today.

Spec by spec

SpecWHOOP 4.0Ignite 2
Display
ScreenNone (app-only)
Form factorBand, no watch face
Screen size1.2 in
TypeAMOLED
Always-on optionNo
Battery & Build
Battery life5 days5 days
Water resistance10 m3 ATM
Weight9 g35 g
Health & Fitness
Recovery scoreYes
SpO2Yes
Skin temp sensorYes
Built-in GPSYes
Nightly RechargeYes
Sport profiles130+