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These [1] people disagree. Can you commment? Personally I don't know enough to judge myself. [1] https://www.scimex.org/newsfeed/expert-reaction-covidsafe-app-

• danieltillett 6y ago
  No they don’t. They are all saying it doesn’t work when the app is in the background on iOS. This makes the app worthless on iOS as nobody it going to walk around with the app in the foreground the whole time. The NHS app appears to solve this problem.
  • brutusborn 6y ago
    Ahhh that makes sense, thanks for the clarification.