You can measure your fever with an Android smartphone or iPhone using a smartwatch and an app that counts your heart rate and detects your temperature

App to measure fever Nowadays very little is needed to measure vital signs such as heart rate and blood pressure using smartwatches, all useful information also for measuring body temperature.

With these measurements it is also possible to have a fever indicator, as you would by feeling the pulse. In general, if an adult’s heart beats, when at rest, is between 60 and 80 per minute, it would not be wrong to say that an increase of 10 beats per minute could mean an increase in temperature and, therefore, a line of additional fever.

In the following guide we will show you how to measure fever on Android and iPhoneintegrating the data with those obtainable with a smartwatch equipped with advanced biometric sensors (such as theApple Watch).

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1) Wrist temperature (Apple Watch)

Owners of an Apple Watch Series 8 or later can turn on full sleep tracking to record nightly changes in wrist temperature, which can help you better understand your overall health and alert you to temperature issues and impending health issues. .

To activate this function we open the app Sleep on the smartwatch and activate the voice Track your sleep with Apple Watch. To establish a reference temperature we activate the full immersion Sonno and we wear Apple Watch while sleeping. Wrist temperature data will be available after approximately five nights.

Alternatively we can check the wrist temperature by opening the app Salute on the iPhone paired with the Apple Watch by pressing the button Browsepressing on Body measurements and pressing up Wrist temperature.

2) Body temperature with Fitbit (Android)

As an alternative to the Apple Watch you can use the smartwatch Fitbit Versa 3.

Using this watch and installing the Fitbit app from Google Play Store we can record the body’s internal temperature by opening the app Today from the clock, pressing on Internal temperature and finally up Register.

Alternatively, open the Fitbit app on your phone, tap the box Temperaturelet’s get on the path Discover -> Health and Fitness Stats -> Temperature and we press on Salva.

3) Body temperature with Notify for Mi Band (Android)

Another app that we can use to measure body temperature is Notify for Mi Bandcompatible with all Xiaomi Mi Band and free to download for Android.

After installing the app we follow the on-screen instructions to ensure correct data synchronization (installing the official app, setting the app Notify for Mi Band in self-start and removing energy saving).

Once the initial setup is complete, we activate continuous heart rate monitoring, saturation measurement and sleep monitoring (from the watch settings), then open the app Notify for Mi Band and let’s check the screen COVID-19 regularly to see the temperature variations linked to the measurement of heart rate, saturation and other information obtained from the smartband sensors.

On the Mi Band we can also read our guides on how to activate constant measurement on the Mi Band come on how to silence Mi Band at night.

On the Notify app we can read our guide to app to improve the Mi Band and add features.

Fever measurement app for Android and iPhone

If it is true that it is not possible to measure fever with a telephone (and anyone who claims the opposite is lying), it is however true that with the smartphone (the iPhone and modern Samsung, Xiaomi or others with Android system) is able to measure the heart rate via your phone’s camera.
With this measurement it is also possible to have a fever indicator, as you would by feeling the pulse.
In general, if an adult’s heart beats, when at rest, is between 60 and 80 per minute, it would not be wrong to say that an increase of 10 beats per minute could mean an increase in temperature and, therefore, a line of additional fever.
The iPhone itself does not have a temperature sensor, therefore, whoever developed the application used a trick already experimented with the app that measures heart rate and heart rate, applying it for a purpose that is certainly more useful these days, namely to measure fever.
The measurement will not be as perfect as that of a wrist thermometer, but it can give an indication of your health.
To facilitate the counting of beats per minute, therefore, a special application can be used, which may not be as precise as a real medical thermometer, but offers an immediate indicator to know whether we have a fever or not.

The best thermometer app for Android (which actually measures beats per minute and not temperature) is Cardiographeasy to use, which only requires you to put your finger in front of the phone’s camera to operate.
With this type of app, the calculations will have to be done by hand to estimate the temperature.

Il Fever measuring thermometer for iPhone instead, it is the app that allows us to estimate the body temperature by doing the calculation for us based on the heartbeat detected.
It is also used by placing the index finger of the hand (horizontally) on the camera lens for 20 or 30 seconds so that the sensor can count the heartbeats.
The first measurement is taken when you are well, to have a basic heart rate value that can then be compared with future measurements. Depending on the speed of the beats it is capable of calculate body temperature and therefore allows you to know if you have a fever or are well.
The app also keeps the measurements taken in memory and creates various personal profiles to be used by the whole family.
It’s obvious that the app cannot replace the normal medical thermometerbut it can always be useful when you are outto get a basic indication when you feel unwell, a little hot, with a rising fever.

Conclusions

The only truly effective tools for measuring body temperature via app is the use of a thermometer provided by the smartwatch. Obviously none of these methods can replace the normal medical thermometerbut it can always be useful when you are outto get a basic indication when you feel unwell, a little hot, with a rising fever.

To learn more we can read the guides to app for SOS, emergencies, accidents and first aid for Android and iPhone not app to use to monitor pregnancy, ovulation or fertility.

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