French social app Yubo, with 40M+ users, raises $47.5M Series C led by existing and new investors including Iris Capital and Gaia Capital Partners
French startup Yubo is the biggest social media app you've never heard of — unless you're a teen. With a focus on young people under 25 …
Context & Ripple Effects
Yubo's $47.5M Series C is an up-round built on momentum from its €11M raise just under a year earlier — with Iris Capital returning to lead both rounds, the existing investor is doubling down rather than handing the company off at the growth stage. The Protocol profile in the related coverage explains why: engagement up nearly 400% year over year and a user base of at least 40 million concentrated among under-25s, a demographic mainstream platforms struggle to hold.
First-order effects
- Yubo gains a multi-year runway to scale its live video discussion product for teens, with Gaia Capital Partners joining as new capital alongside incumbent Iris Capital — a signal the growth story, not a pivot, is what attracted the money.
Second-order effects
- The funding lands against a trust-and-safety overhang: teenagers told the Washington Post that Yubo ignored reports the Uvalde shooter threatened violence on the app (the Uvalde reporting), so the new capital effectively arrives with moderation spending baked into expectations.
Third-order effects
- The pattern points toward teen social splitting into two camps — scaled, venture-funded live platforms like Yubo versus deliberately small, algorithm-free spaces like Yope's micro-communities — with investor diligence on safety practices becoming a structural condition of financing youth-facing apps.
The trend: Venture capital is consolidating behind scaled teen live-video social apps even as safety incidents push moderation from a cost center into a core condition of their funding.