How to use

How to use

1) Plug into phone

2) Press start

3) Blow into device

4) Perfectly managed asthma

Use in a well lit area

Use in a well lit area

For the best results, use the device in a well lit area. Proven more accurate than mechanical peak flow meters, as explained in the research article below.

Phone Compatibility Guide

1) What is your phone model?

If you have a newer phone than any of the phones listed below, continue to the next step.
If you have a newer phone than any of the phones listed below, continue to the next step.
If you have an older phone, the device will not work.
If you have an older phone, the device will not work.
  • Apple iPhone 5
  • Samsung Galaxy S3
  • All HTC phones work
  • Huawei P8
  • Google Nexus 6
  • LG Nexus 5
  • Sony Xperia Z2
  • Motorola Moto X
  • OnePlus One
  • Nokia 6
  • Asus Zenfone Go Z00VD
  • Lenovo A2
  • All Xiaomi phones work
  • In general, any phone created after 2014 should work, but we suggest you check first.
  • Apple iPhone 5
  • Samsung Galaxy S3
  • All HTC phones work
  • Huawei P8
  • Google Nexus 6
  • LG Nexus 5
  • Sony Xperia Z2
  • Motorola Moto X
  • OnePlus One
  • Nokia 6
  • Asus Zenfone Go Z00VD
  • Lenovo A2
  • All Xiaomi phones work
  • In general, any phone created after 2014 should work, but we suggest you check first.
To find out what model your phone is you can use the visual guides below.
To find out what model your phone is you can use the visual guides below.

Check model for Apples below:

Check model for Android by following steps below:

  • 1
  • 2
  • 3

Yes it works for iPad & Tablets too.

2) Does your phone have an audiojack port?

If yes, continue to the next step.
If yes, continue to the next step.
If no, you may need to purchase an adapter. Go to the device page and add the adapter to your order. That's all you need to use the device!
If no, you may need to purchase an adapter.

Go to the device page and add the adapter to your order. 

That's all you need to use the device!
For Android phones only, you will need a USB-C to Audio Jack adapter. 

3) That's it! You're ready to purchase.