Grubby.ai is an AI tool mostly known as an “AI humanizer.”

The founder handles the marketing himself.

He owns four of the TikTok accounts, and on each one, he uses a different name to act as a different creator.

This can mean two things:

Either he’s testing formats before paying creators, or he wants to see how much content he can get out on his own.

In most videos he shows the website directly, positioning it as the tool you use after ChatGPT.

“Turnitin Update (Humanizers clapped) 100% detected as AI”->100K views

He also talks about AI in general and exposes AI‑generated content.

“Editing my pictures so I can get my money back on DoorDash 💕”->725.4K views

But the only video that actually pulled views wasn’t about humanizing text, it was another classroom‑style AI video.

The site launched an app three months ago, so now we wait to see whether the strategy stays the same.