Can Fenzly read my data?

No. Fenzly is built on a blind server model:

• the positions you share and the names of your places are encrypted and never readable server-side;
• your presence at a place is computed on your phone, never transmitted;
• your address book and the composition of your circles stay on your device only.

The server is an encrypted relay and a switchboard: it knows whom to forward a message to, never what it contains. What it holds comes down to your account, your devices and your subscription receipts, and you can check that yourself with the “Server data” export in the app, Settings → Personal data → Download my data. Your data is hosted in Switzerland, in line with the GDPR and the Swiss nDPA.

Two details, both about maps:

• Address search. When you search for an address or name a place, the lookup passes through the server, which relays it to the map provider so that the provider does not see your IP address. The server therefore sees that address or that spot at that moment, without tying it to your account.
• Map backgrounds. They are loaded by your phone straight from MapTiler, our map provider. MapTiler sees your IP address and the areas displayed, not your account or the positions drawn on the map. Backgrounds already loaded stay cached on your phone.