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Are you overfatigued? Let's check it out!
This app will easily calculate your fatigue level. All you need to do is to place your finger on the camera.The degree of fatigue is calculated by using the data of HRV got from the heart rate. The results are displayed as a percentage(%). If you are tired, it also displays simple tips.

This app also serves as heart rate monitor.Heart rate is displayed in the upper part graph of the app during measurement time(about 2minutes).

I'm worried that I am overtraining.
I am still convalescing today – would it be alright to work out as usual?
Which is more productive – getting up early to finish my work, or staying up late for it?

By dealing with fatigue before the symptoms appear, proper body conditions can be maintained.
Efficiency of work and study can be improved by keeping our body in optimum condition.
It may be possible to prevent future illnesses.
We may be able to dramatically change our life for the better without much effort.

How to use this App

Please use this App if you wish to know your fatigue level.
1. When you use this App for the first time, please enter your age and sex. The results of the calculations will be modified accordingly.
2. Please place your finger on the camera of your smart phone. (If you are a right-handed person ,please you use left index finger and vice versa.)While using the app, ensure that you are in a sitting position, in a brightly lit room as far as possible.
Allow the app to perform the measurements after you follow the displayed instructions.
3. Calculations are completed in two minutes.
4. Degrees of fatigue are displayed as a percentage (%). If you are fatigued, some advice will also be displayed.
Results will be corrected according to age, sex, and time zone. If the measurement is not reliable, the App will display an approximation. Please perform the measurements again according to the instructions.


The result is sometimes unstable when other applications are open or the cache of this app is full. In such a case, please close all the other applications and clear the app’s cache. (Go to Settings → app → Life Optimizer; and clear the cache). Always measure in a bright room.

Please use mobile phone with flash light.

This app is not designed for medical use, therefore we do not take any responsibility for the action taken based on the result shown by the app. Please follow your doctor’s instruction in some cases.
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What's New

1.4:UI change,privacy policy description, open source library description
1.3:Size of profile icon was adjusted.
1.2:Transition to the SD card was implemented.
1.1:Some problem of display was fixed.
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Additional Information

October 1, 2017
Current Version
Requires Android
7.0 and up
Content Rating
Offered By
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