The three apps and their descriptive statistics
| App | Operating System (OS) | First release date | Downloads (n) (est.) | Versions since first release | Reviews (so far) | |
| Reviews (n) | Average stars | |||||
| NHS COVID-19 | Android | 13 August 2020 | 12 500 000+ (www.bbc.co.uk/news/technology-54326267) | 16 | 17 905 | 2.8 |
| iOS | 6021 | 2.7 | ||||
| Protect Scotland | Android | 10 September 2020 | 1 270 000+ (prod.news.stv.tv/scotland/more-than-a-million-download-scotlands-tracing-app) | 6 | 1018 | 3.8 |
| iOS | 195 | 3.2 | ||||
| Stop COVID NI | Android | 28 July 2020 | 375 000+ (play.google.com/store/apps/details?id=net.hscni.covidtracker) | 6 | 317 | 2.8 |
| iOS | 127 | 2.3 | ||||
OS, operating system.