【Sisters Sex Scandal】

YouTube can Sisters Sex Scandalnow add "most popular iPhone app of the year" to its list of accomplishments.

Apple just released its lists for the most downloaded apps of 2018 and YouTube took the number one spot, beating out Facebook, Instagram and Snapchat for the honor.

YouTube held the #3 spot last year, when Bitmoji and Snapchat came in at #1 and #2 respectively. This year, Snapchat dropped to third place and Bitmoji down to sixth, with Instagram climbing to the #2 slot.

These are the top 20 free apps of the year, according to Apple

1. YouTube

2. Instagram

3. Snapchat

4. Messenger

5. Facebook

6. Bitmoji

7. Netflix

8. Google Maps

9. Gmail

10. Spotify Music

11. Amazon

12. Uber

13. WhatsApp Messenger

14. Pandora

15. Wish

16. TikTok

17. Cash App

18. Google Photos

19. Google Chrome

20. Twitter

While there aren't many surprises on that list, it's notable that YouTube has now edged out Instagram and Snapchat. Though not a new app by any means, YouTube is increasingly becoming the app social media companies need to compete with. Earlier this year, a Pew poll found that YouTube is the most-used app among teens.

Two other notable additions this year include TikTok, the music video app formerly known as Musicall.y, and Cash App, Square's P2P payments app.

Over on the paid app charts, photography apps once again came out on top. The most popular paid app was (for the second year in a row) Facetune, followed by special effects app kirakira+.

Like last year, Apple also released separate rankings for games where -- surprise, surprise -- Fortnitetook the top spot for free apps. Also making the list was PUBGand HQ Trivia.

The full list of the top 20 most downloaded free games is below:

1. Fortnite

2. Helix Jump

3. Rise Up

4. PUBG MOBILE

5. Hole.io

6. Love Balls

7. Snake VS Block

8. Rules of Survival

9. ROBLOX

10. Dune!

11. Subway Surfers

12. Episode

13. Word Link

14. Toon Blast

15. Color Road!

16. HQ Trivia

17. Twisty Road!

18. 8 Ball Pool™

19. Kick the Buddy

20. Sniper 3D Assassin: Gun Games

In addition, Apple's App Store editors also announced their own picks for the best apps of the year. They named sketching app Procreate Pocket as the overall best iPhone app of the year and Donut Countrythe top game.

You can check out the full rankings over on iTunes, where you can also view the most popular podcasts, books, movies and television shows.