Fair point, at under $30, there really isn’t much out there that performs like a proper pond fountain.
Most of what you’ll find in that range are small solar floating units that only spray water in strong sunlight and usually struggle once there’s any algae or debris. They look nice for a bit, but they’re not built for real pond circulation.
Something like EasyPro Pond Fountains is in a completely different category, those are designed for actual pond use, better flow, and long-term reliability, so they naturally sit way above that budget.
If you’re trying to stay cheap, the only realistic option is those basic solar floating pumps or even just focusing on aeration instead of a fountain look. It won’t be flashy, but it’ll actually help the pond stay healthier.
At that price point, it’s more about “what can survive in your pond” than “what looks like a fountain.”