Both drive strong short-form engagement, with the better choice depending on where your audience already is. TikTok tends to reward discovery and trends, while Reels leans on an existing Instagram following. Rather than pick an abstract winner, follow your buyers and the creators who hold real engagement on each.
Whether Instagram Reels genuinely rivals TikTok for short-form engagement or lags behind it.
Both formats can carry a campaign, which makes the choice about audience rather than a league table. TikTok often rewards discovery and trend-driven reach, which lets a newer brand find fresh eyes there, while Reels leans on an existing Instagram following and pairs well with a broader Instagram presence. Many creators post to both, which means you do not always have to pick. The reliable move is to follow where your buyers already spend time and choose creators who hold genuine engagement on that surface rather than chasing the platform with the louder reputation. Flinque covers creators across four platforms including Instagram and TikTok, each with audience data and a fake-follower score, which lets you compare real short-form engagement side by side. Explore both free at /find-influencers/.