This app offers much more than merely calculate dew point and absolute moisture content out of air temperature and relative humidity. Dew point warner is able to receive the latest weather information for your location automatically and warn, if necessary, to open or close the windows and effectively help you to properly ventilate your rooms to reduce humidity!
Furthermore, a simple calculator is included, with which you can quickly compare 3 pairs of temperature/humidity in terms of dew point and absolute moisture content of the air, without saving the values.

Functions in detail:
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✔ Monitor each number of rooms
✔ 1 series of measurements for outside and one series for each room
✔ Instant indication of dew point and absolute humidity content at input
✔ Storing of the values, together with the current time
✔ Instant comparison to the external values when internal values are entered
✔ Automatic downloading of temperature / humidity for any location in definable intervals (1-6 hours); data from openweathermap.org
✔ Warnings with the windows closed: if the external dew point falls below the dew point in the room and/or below a fixed value
✔ Warnings with the windows open: if the dew point outside exceeds the value of internal value and/or dew point exceeding the minimum internal temperature (condensation!); frost warning
✔ For all warnings fixed values or thresholds can be defined
✔ Warnings are defined separately for each room
✔ Alerts are shown in notification bar, with or without sound
✔ Alerts are triggered by automatic weather data reception, as well as by manual entries of outdoor values
✔ All entries can be provided with comments
✔ Dew point calculator for a quick comparison of three temperature/humidity measurement points

Required app permissions:
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Coarse location: for single transmission of location coordinates to openweathermap.org to set the region for the automatic reception of weather data; however, the choice is also possible via name search
Network access: required to download the weather data