It depends on the nature of your small project.
Mobile proxies do offer stronger trust scores across many platforms, especially those with aggressive anti-bot systems. Since mobile IPs are NAT-shared and rotate naturally through carrier networks, they tend to bypass detection mechanisms more easily than datacenter or even residential proxies.
That said, their high cost isn’t always justified for low-scale operations. If your project doesn’t involve mass automation or heavy scraping on high-security sites (e.g. TikTok, Instagram, banking apps), you might not need mobile-grade IPs. A good residential proxy with ISP filtering and proper rotation could be enough.
But if you're working with sensitive account creation, ad verification, or anything where reputation matters more than volume, then mobile proxies can be worth it — even at higher cost — because they reduce the need to replace burned IPs and accounts frequently.
In short: for light, low-risk tasks, you can skip them. For high-friction platforms or anything you're scaling up, they’re a smart investment.