The power of Kylie Jenner knows no bounds. Arguably once the underdog in the Kardashian-Jenner clan, Kylie's star continues to soar and she has even climbed to beat her superstar sister Kim with their latest projects: Apps and websites...

As revealed by Buro 24/7 Middle East earlier this week, Kylie, Kendall, Kim, Khloe and Kourtney are all entering the app business. Yesterday, the new applications made their debut, with the exception of Kourtney's, which will follow later.

Kylie Jenner's new app

Kylie took to Instagram to reveal that she has beat out all of her sisters to become the number one most downloaded app on the Apple list chart yesterday. The 18-year-old reality TV star turned beauty icon is using her app and her new website to capitalise on people's sudden interest in her appearance. Kylie famously captured the world's attention with her larger-than-usual lips, which she later admitted (after months of valuable and star-soaring media coverage) were thanks to help from a surgical procedure.

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The website and the app both feature beauty how-to tutorials (one of which Caitlyn Jenner makes an appearance in) alongside fashion features and even 'Kylie Radio'. The young star is already the most followed celebrity on Snapchat, and posts regularly to the video sharing app, sometimes even just hitting record and she and her friends chat. This millennial is one open book...

Kylie Jenner's new app

Kylie's big sister Kim's app is categorised into 'live', 'beauty', 'style', 'obsessed', 'bts' (behind the scenes), and 'Q + A'. The mother of one, with one on the way, also shares unique make up tutorials, style advice and outfit details. 

The Kardashian and Jenner apps are available for download in the iTunes store now and are priced at $2.99 per month following a 7-day trial