Best social media mobile app for summer: TikTok, Instagram, or another one?

With summer coming, and more time outdoor under the sun, the best social media app isn't the same than indoors! But what is the right app to use at the moment, with many newcomers on mobile media apps market, and especially the amazing rise of TikTok in 2019 than doesn't seem to stop?...

Thanks to a mobile phone, you can contact friends, relatives, colleagues at any time in order to get the information of interest. In addition to contacts, many people store memorable dates, ideas, thoughts, all kinds of files of a different nature on their mobile devices....