Table 2.
Summary of apps’ characteristics.
| Characteristics | Apps (N=115), n (%) | Selected app example | |
| Operation system | |||
| iOS | 106 (92.17) | TraceCovid | |
| Android | 9 (7.82) | Tawakkalna KSAa | |
| Pricing | |||
| Free | 114 (99.13) | Stop Covid19 | |
| Not free | 1 (0.87) | PreMedicus | |
| Developer/author | |||
| Government or national authority | 77 (66.95) | Covid-19 Armenia | |
| Company | 25 (21.73) | Covive | |
| Nonprofit organization or agency | 5 (4.35) | WHOb Info | |
| Hospital | 4 (3.48) | Trecovid19 | |
| University or research institute/center | 4 (3.48) | Covid Watcher | |
| The country of origin | |||
| US | 28 (24.35) | CovidWise | |
| India | 5 (4.35) | AarogyaSetu | |
| Italy | 4 (3.48) | Trecovid19 | |
| KSA | 4 (3.48) | Tabaud | |
| Mexico | 4 (3.48) | Plan Jalisco Covid-19 | |
| Spain | 4 (3.48) | GVA CoronVirus | |
| Vietnam | 4 (3.48) | Covid-19 Vietnam | |
| Global | 4 (3.48) | Covive | |
| Canada | 3 (2.61) | Canada Covid-19 | |
| Australia | 3 (2.61) | MyAus Covid-19 | |
| France | 3 (2.61) | Covidom Patient | |
| Netherlands | 3 (2.61) | COVID-19 Medisch Dossier | |
| UAE | 3 (2.61) | TraceCovid | |
| Malaysia | 2 (1.74) | MyTrace | |
| Ireland | 2 (1.74) | PatientMpower for COVID-19 | |
| South Korea | 2 (1.74) | Self-Quarantine app | |
| UK | 2 (1.74) | NHS24 Covid-19 | |
| Other | 35 (30.43) | N/Ac | |
aKSA: Kingdom of Saudi Arabia.
bWHO: World Health Organization.
cN/A: not applicable.