According to a programmer, based on what the source code contained, TikTok is effectively "legitimate spyware." Over and above the data that TikTok collects, the main contention has been that the app sends all this data to the company's head office in China.
The ViewFines leak, just like South Africa's largest data leak in 2017, highlights the importance of the country needing to have a fully functional Information Regulator who will be able to act on and enforce the countries Protection of Personal Information Act (POPIA).
Truecaller allows its users to have caller ID service despite not having the caller's telephone number in their phone's address book. Added to the caller ID feature, another popular feature on the Truecaller app is the call blocking one. But it violates privacy regulations.