diff --git a/metadata/ch.admin.bag.covidcertificate.verifier.yml b/metadata/ch.admin.bag.covidcertificate.verifier.yml
index ee84b86ec9..4691d0d371 100644
--- a/metadata/ch.admin.bag.covidcertificate.verifier.yml
+++ b/metadata/ch.admin.bag.covidcertificate.verifier.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   Tracking:
     en-US: The app automatically checks for updates when started
+  TetheredNet:
+    en-US: Relies on BAG backend.
 Categories:
   - Sports & Health
 License: MPL-2.0
diff --git a/metadata/ch.admin.bag.covidcertificate.wallet.yml b/metadata/ch.admin.bag.covidcertificate.wallet.yml
index 09aa147785..5ca3dc6294 100644
--- a/metadata/ch.admin.bag.covidcertificate.wallet.yml
+++ b/metadata/ch.admin.bag.covidcertificate.wallet.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   Tracking:
     en-US: The app automatically checks for updates when started
+  TetheredNet:
+    en-US: Relies on BAG backend.
 Categories:
   - Sports & Health
 License: MPL-2.0
diff --git a/metadata/ch.famoser.mensa.yml b/metadata/ch.famoser.mensa.yml
index b982eeb517..8f16ac8f78 100644
--- a/metadata/ch.famoser.mensa.yml
+++ b/metadata/ch.famoser.mensa.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   NonFreeNet:
     en-US: The ETH/UZH backends are proprietary
+  TetheredNet:
+    en-US: Relies on ETH/UZH backends.
 Categories:
   - Internet
   - Sports & Health
diff --git a/metadata/ch.protonvpn.android.yml b/metadata/ch.protonvpn.android.yml
index 0ada4bc8b2..0c201d3966 100644
--- a/metadata/ch.protonvpn.android.yml
+++ b/metadata/ch.protonvpn.android.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   NonFreeNet:
     en-US: The backend is proprietary
+  TetheredNet:
+    en-US: Relies on Proton's API and VPN servers
   Tracking:
     en-US: Usage and crash reporting are enabled by default (require opt-out).
 Categories:
diff --git a/metadata/ch.threema.app.libre.yml b/metadata/ch.threema.app.libre.yml
index d0b3719727..760a54300b 100644
--- a/metadata/ch.threema.app.libre.yml
+++ b/metadata/ch.threema.app.libre.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   NonFreeNet:
     en-US: The server-side code is not open source.
+  TetheredNet:
+    en-US: Relies on Threema's servers.
 Categories:
   - Internet
 License: AGPL-3.0-only
diff --git a/metadata/proton.android.pass.fdroid.yml b/metadata/proton.android.pass.fdroid.yml
index 0b2a567927..24ddd6ff3e 100644
--- a/metadata/proton.android.pass.fdroid.yml
+++ b/metadata/proton.android.pass.fdroid.yml
@@ -1,6 +1,8 @@
 AntiFeatures:
   NonFreeNet:
     en-US: The backend is proprietary.
+  TetheredNet:
+    en-US: Relies on Proton's servers.
 Categories:
   - Security
 License: GPL-3.0-or-later