From strategically finding love, to helping researchers search for extraterrestrial life—there is quite literally an app for almost anything these days.

It is therefore no surprise that apps have become one of the largest consumer ecosystems on the planet, with the global app economy expected to reach $6.3 trillion by 2021.

Today’s graphics pull data from a recent report by Sensor Tower that ranks the top 20 most downloaded apps of 2019. New entrants are rising up and threatening the dominance of more established tech companies—but can they sustain their current position on the leaderboard?