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Wing makes tracking COPD & asthma simple.
With Green, Yellow, and Red stoplight zones, you'll never be left guessing. Automatically tracking everything over time, Wing does the hard work for you.


No batteries — no charging.

Pocket-size — use it anywhere.

Durable — no moving parts.

Easy to Clean — just soap and water.


Blast off into space to discover new planets, customize your spaceship, earn rewards, and explore the galaxy!


Wing measures Peak Flow & FEV1 with medical–grade accuracy. Cleared by the FDA, Wing provides powerful objective data. Wing also has built-in error detection and reproducibility checks.


Wing helps you stay one step ahead with Personal Best goals and intelligent reminders.


Your account is securely synced to the cloud using 256-bit encryption.

Easily share data reports with your family or doctor.


Wing is more than a peak flow meter.

Track and visualize everything that impacts your COPD or asthma like meds, triggers, and symptoms to see the full picture.


  • 3.2 x 2.4 x 1.5 inches (81 x 61 x 37mm)
  • 0.15 lb (70g)
  • Apple: iPhone and iPad (iOS 9 or later)*
  • Android: Coming later in 2017
  • *For iPhone 7 or 7+, simply use Apple’s included "Lightning to Headphone Jack” adapter.

  • Adults and Children aged 5 and up
  • Over-the-Counter
  • Meets ATS standard for measuring FEV1 & Peak Flow
  • Automatic reproducibility checks
  • FEV1: ±0.1L or ±5%
  • Peak Flow: ±20L/min or ±10%
  • Green Zone: 100-80% Reference Peak Flow
  • Yellow Zone: 79-50% Reference Peak Flow
  • Red Zone: 0-49% Reference Peak Flow
  • FDA-Clearance (Class II Medical Device)
  • IEC 60601-1 (Electrical Safety)
  • IEC 60601-1-2 (Electromagnetic Compatibility)
  • IEC 10993-1 (Biocompatibility)