Trendoline
Weekly challenges aiming to connect the world in a fun way
Trendoline launched on March 24, 2017 with 88 votes, #562 of 3,481 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 9 years on.
What it does
Trendoline turns scrolling into playing. You start a challenge and put a clock on it. Best latte art, ends Sunday. Teach me a dance move. Other people join with their own video/photo, everybody votes, and a live leaderboard moves in real time until somebody wins. Or you pull one person into a duel, two entries head to head. What makes it different: your follower count is worth nothing here. Someone with 4 followers and someone with 4 million start from the same line, and the better video wins.
Trendoline is a video challenge app where you create or join challenges, record your take, and let the community vote for the winner.
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