I have a Nuki Smart Lock Pro 5 and am really happy with it. What was important to me: it’s made in Europe (Austria) and doesn’t send your info to China or USA. There is no fee for some shady online service. In fact, it doesn’t require online connectivity, but if you opt to connect it to Wi-Fi (for free), you can use some of its „smarter“ features. It does have a function to re-lock the door as soon as it closes, this does require the additional purchase of some sensor which I don‘t have. I did however choose to purchase the optional fingerprint reader so the kids can enter and leave easily. There are a lot of great additional features. I really love that thing.

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I still use my Pocketbook Lux 3. It must be about 10 years old now and still works beautifully (even the backlight). One battery charge usually lasts me weeks, even with heavy backlight use. They are made in Europe (Switzerland) and run some flavour of Linux. They‘re not rock-bottom bargains, but the cost of the entry-level model seems quite fair in my opinion (€107). https://pocketbook.de/