Can Spynger be installed on someone’s iPhone using only their iCloud credentials, without physical access Anyone tried this — what worked, what failed, and what legal/ethical risks should I know?

Most vendors claim iCloud-only installs are possible, but in practice reliable monitoring of an iPhone without physical access is rare: two-factor authentication, encryption and iOS limits block many features and vendors often require secondary access or fail. Reviews report refunds and nonworking setups. Beyond technical limits, secretly monitoring someone is usually illegal and ethically harmful; seek consent or legal routes. Read more on this article.