Learn how to cancel O2Monitor- Oxygen duration Cal subscription on iPhone, Android, Paypal or directly.


Table of Contents:

  1. Cancel on iphone
  2. Cancel on android
  3. Cancel on Paypal
  4. Cancel via Email
  5. Cancel on Website


Reading time: 41 seconds

Cancel O2Monitor- Oxygen duration Cal Subscription on iPhone & iPad

  1. On your phone, open "Settings" and tap your Apple ID profile.
  2. Click "Subscriptions" and select "O2Monitor- Oxygen duration Cal".
  3. Click "Cancel Subscription" and confirm the cancellation.

Alternative method via AppStore:

  1. Goto the Appstore » your Profile » Subscriptions.
  2. select "O2Monitor- Oxygen duration Cal" and click "Cancel Subscription".


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Cancel O2Monitor- Oxygen duration Cal Subscription on Android


  1. Launch the PlayStore app and click the hamburger menu icon.
  2. Select "Subscriptions" » tap "O2Monitor- Oxygen duration Cal" » click "Cancel Subscription".
  3. Your subscription to O2Monitor- Oxygen duration Cal will now be canceled.


Cancel O2Monitor- Oxygen duration Cal Subscription on PayPal

  1. Sign in to your PayPal Account and click "Settings ".
  2. Select "Payments" and click "Manage Automatic Payments".
  3. Under Automatic Payments tab, click "O2Monitor- Oxygen duration Cal" or "Tobi S" » "Cancel".
  4. You are now unsubscribed from O2Monitor- Oxygen duration Cal


Cancel O2Monitor- Oxygen duration Cal via Email

  1. Open your email app
  2. Provide all the relevant information regarding your account.
  3. Provide a reason for the cancelation.
  4. Send the email to o2monitorapp@redacted... Login to see email.

Alternatively, you can directly ask O2Monitor- Oxygen duration Cal customer service to cancel your subscription using the form below:



Email Support directly



Chat with our AppContacter AI Support



Cancel Subscription Directly on O2Monitor- Oxygen duration Cal's Website

  1. Visit their website - http://o2monitorapp.tech and login to your account.
  2. Goto your profile or account page and click "Billings" or "Subscriptions".
  3. Click "Cancel" to remove your subscription.

About O2Monitor- Oxygen duration Cal App

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1. This app is intended for rescue service, nursing or fire brigade, NOT for any kind of blood oxygen measurement by smartphone or pulse control.

2. O2Monitor - Your personal oxygen duration calculator with alarm function!

3. This tool is intended for the training of rescue service staff such as paramedics, emergency paramedics, but also in areas of the fire brigade or healthcare.

4. This app is made for simple oxygen gas volume calculations and oxygen duration calculation, primaliry for educational purposes.

5. In rescue/firefighting applications the application keeps track of the oxygen bottle volume and gives warning signals when the supply is running low.

6. It is therefore ideal for paramedics, paramedic students, EMTs or EMT students, firefighters, intensive care or ambulance transport with oxygen!

7. O2Monitor offers a practical oxygen calculator with alarm for your smartphone.

8. Designed for rescue service, EMS, fire brigade and nursing staff.

9. It also allows you to calculate the remaining oxygen and gas volume easily.

10. Since the new update the monitor function is in test mode, because some Android versions handle background processes differently.

11. But also outside the operation - for example during vehicle inspection - the calculation function can be helpful and immediately take over the data for monitoring.

12. This can lead to the app being closed/paused in the background without the user noticing.

13. So please ALWAYS USE with caution and keep the app open to be on the safe side.

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