$10k in volume per month but still no virality

A few months ago, I launched https://unzipme.xyz/, a solution for selling photos/documents via a payment link! You set a price for your content, your content is blurred, and the generated link gives access to your content, which is blurred until the amount is paid.

In 3 months, we have 3,000 users, creators who generate a few thousand euros in volume, but still no virality!

I feel like I'm stuck, guys! How did they manage to scale up and make this viral? I'm considering a big TikTok strategy?