They locate public Wi-Fi networks: They help you find free Wi-Fi hotspots in places like cafes, libraries, and airports. They offer limited data: Some give small amounts of free data in exchange for watching ads or completing tasks. They use VPNs and proxies: These tools can help access restricted content in some regions, but they do not guarantee free internet. They exploit network vulnerabilities: In some cases, apps may try to find loopholes in networks to offer unauthorized access, but this is illegal and can result in service suspension.