diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/preferences/MainPreferencesFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/MainPreferencesFragment.java
index 83ad3110a..891d3737b 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/preferences/MainPreferencesFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/MainPreferencesFragment.java
@@ -1,6 +1,8 @@
 package de.danoeh.antennapod.fragment.preferences;
 
 import android.content.Intent;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
 import android.os.Bundle;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -42,15 +44,26 @@ public class MainPreferencesFragment extends PreferenceFragmentCompat {
         // and afterwards remove the following lines. Please keep in mind that AntennaPod is licensed under the GPL.
         // This means that your application needs to be open-source under the GPL, too.
         // It must also include a prominent copyright notice.
-        String packageName = getContext().getPackageName();
-        if (!"de.danoeh.antennapod".equals(packageName) && !"de.danoeh.antennapod.debug".equals(packageName)) {
+        int packageHash = getContext().getPackageName().hashCode();
+        if (packageHash != 1790437538 && packageHash != -1190467065) {
             findPreference(PREF_CATEGORY_PROJECT).setVisible(false);
             Preference copyrightNotice = new Preference(getContext());
+            copyrightNotice.setIcon(R.drawable.ic_info_white);
+            copyrightNotice.getIcon().mutate()
+                    .setColorFilter(new PorterDuffColorFilter(0xffcc0000, PorterDuff.Mode.MULTIPLY));
             copyrightNotice.setSummary("This application is based on AntennaPod."
                     + " The AntennaPod team does NOT provide support for this unofficial version."
                     + " If you can read this message, the developers of this modification"
                     + " violate the GNU General Public License (GPL).");
             findPreference(PREF_CATEGORY_PROJECT).getParent().addPreference(copyrightNotice);
+        } else if (packageHash == -1190467065) {
+            Preference debugNotice = new Preference(getContext());
+            debugNotice.setIcon(R.drawable.ic_info_white);
+            debugNotice.getIcon().mutate()
+                    .setColorFilter(new PorterDuffColorFilter(0xffcc0000, PorterDuff.Mode.MULTIPLY));
+            debugNotice.setOrder(-1);
+            debugNotice.setSummary("This is a development version of AntennaPod and not meant for daily use");
+            findPreference(PREF_CATEGORY_PROJECT).getParent().addPreference(debugNotice);
         }
     }
 
diff --git a/core/src/debug/res/drawable-nodpi/ic_launcher_foreground_no_finish.png b/core/src/debug/res/drawable-nodpi/ic_launcher_foreground_no_finish.png
new file mode 100644
index 000000000..825421990
Binary files /dev/null and b/core/src/debug/res/drawable-nodpi/ic_launcher_foreground_no_finish.png differ