Table 2.
Examples of mHealth apps developed by government agencies for contact tracing and information delivery to curtail the spread of C19.
| Country/Region | App | Type of App | Impact | References |
|---|---|---|---|---|
| Australia | COVIDSafe | tracing |
 epidemiological surveillance, date, time and duration of contact  user data privacy concerns, lack of trust, ethical issues, security vulnerabilities, technical constraints |
[147,148] |
| France | StopCovid | |||
| TousAntiCovid | ||||
| Germany | Corona-Warn-App | |||
| Globally | TraceTogether | |||
| COVID Trace | ||||
| NOVID Share Trace Safe2 |
 the user receives a unique ID, and at the time of infection, he is redirected to medical applications |
[149] | ||
| Italy | Immuni |
 epidemiological surveillance, date, time, and duration of contact  user data privacy concerns, lack of trust, ethical issues, security vulnerabilities, technical constraints |
[147,148] | |
| Spain | AsistenciaCOVID-19 | |||
| Switzerland | SwissCovid | |||
| Globally | HowWeFeel | medical |
 for health care professionals and researchers; a useful tool for patients, quarantine advice, and measures to ensure well-being. The authorized access was ensured by firewalls, antiviruses, and cryptographic algorithms |
[149] |
| Mexico | Sofia |
 video consultations: internal medicine and pediatric consultations, prescriptions, follow-up indications; high levels of patient satisfaction, versatile and convenient tool to manage the situation |
[150] | |
| USA | Teladoc |
 access to low-cost and high-quality doctors, clinical expertise, virtual care for consumers and clinicians |
[151] |
The limitations refer to mobile device ownership or accessibility to mobile apps, network connection problems, misdiagnosis of C19, or app takeover by the pharmaceutical industry [152].