The MyTANITA app is available in 58 countries for Android users and in 55 countries for iPhone users. When you can't find the MyTANITA app in your Apple App Store or Google Play Store, this might be because your Apple App Store account or Google Play Store account is registered in a country where the MyTANITA app is not available.
Here you can see in which countries the MyTANITA app is available to download: