#Rolling: Open recency-boosted formula, shown per clip

TikTok: Closed black box

#Rolling: Camera + canvas duets linked to the original

TikTok: Yes

#Rolling: Public or followers-only, enforced server-side

TikTok: Account-level mostly

#Rolling: Threaded chat room attached to each clip

TikTok: Comments only

#Rolling: Download any clip you can watch

TikTok: Limited / watermarked

#Rolling: Public reports dashboard for moderators

TikTok: Opaque

#Rolling: Growing creator community

TikTok: Billions of clips