diff --git a/briar-android/artwork/notification_ongoing.svg b/briar-android/artwork/notification_ongoing.svg
new file mode 100644
index 0000000000000000000000000000000000000000..b85939f22e36b43a19e8d316ef10001d3ca9286c
--- /dev/null
+++ b/briar-android/artwork/notification_ongoing.svg
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Ebene_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 24 24"
+   xml:space="preserve"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="notification_ongoing.svg"
+   width="24"
+   height="24"><metadata
+     id="metadata61"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
+     id="defs59" /><sodipodi:namedview
+     pagecolor="#000000"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1020"
+     id="namedview57"
+     showgrid="false"
+     inkscape:zoom="11.466748"
+     inkscape:cx="-4.790356"
+     inkscape:cy="17.536496"
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+     inkscape:window-y="24"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="Ebene_1"
+     units="px" /><style
+     type="text/css"
+     id="style3">
+	.st0{fill:#FFFFFF;}
+	.st1{display:none;fill:#87C214;}
+	.st2{fill:#87C214;}
+	.st3{display:none;fill:#FFFFFF;}
+	.st4{fill:#95D220;}
+	.st5{display:none;fill:#95D220;}
+</style><path
+     style="fill:#ffffff;stroke-width:0.07272727"
+     d="M 12,0 A 12,12 0 0 0 0,12 12,12 0 0 0 12,24 12,12 0 0 0 24,12 12,12 0 0 0 12,0 Z M 8.1454545,3.4764204 h 0.6036931 c 0.7054546,0 1.2872164,0.5817614 1.2872164,1.287216 V 6.4 H 6.8582386 V 4.7636364 c 0,-0.7054546 0.5817614,-1.287216 1.2872159,-1.287216 z m 7.0545455,0 h 0.603693 c 0.712727,0 1.287216,0.5817614 1.287216,1.287216 V 13.454545 H 13.912784 V 4.7636364 c 0,-0.7054546 0.581761,-1.287216 1.287216,-1.287216 z M 4.7127841,6.9090909 H 13.403693 V 10.087216 H 4.7127841 c -0.7127273,0 -1.287358,-0.5817618 -1.287358,-1.2872156 V 8.1963069 c 0,-0.7127273 0.5819034,-1.287216 1.287358,-1.287216 z m 12.8872159,0 h 1.636364 c 0.705454,0 1.279943,0.5817615 1.287216,1.287216 v 0.6036935 c 0,0.7127269 -0.581762,1.2872156 -1.287216,1.2872156 H 17.6 Z M 6.8582386,10.596307 h 3.1781254 v 8.690909 c 0,0.705454 -0.5817618,1.287358 -1.2872164,1.287358 H 8.1454545 c -0.7127272,0 -1.2872159,-0.581904 -1.2872159,-1.287358 z m -2.1454545,3.367329 h 1.6363636 v 3.178125 H 4.7127841 c -0.7127273,0 -1.287358,-0.581761 -1.287358,-1.287216 v -0.603693 c 0,-0.712727 0.5819034,-1.287216 1.287358,-1.287216 z m 5.8326709,0 h 8.690909 c 0.705454,0 1.279943,0.581761 1.287216,1.287216 v 0.603693 c 0,0.705455 -0.581762,1.287216 -1.287216,1.287216 h -8.690909 z m 3.367329,3.687216 h 3.178125 v 1.636364 c 0,0.705454 -0.581761,1.287358 -1.287216,1.287358 H 15.2 c -0.705455,0 -1.287216,-0.581904 -1.287216,-1.287358 z"
+     id="circle7"
+     inkscape:connector-curvature="0" /></svg>
diff --git a/briar-android/artwork/notification_reminder.svg b/briar-android/artwork/notification_reminder.svg
new file mode 100644
index 0000000000000000000000000000000000000000..7d30fd683dc8119476a58e8f795ce8930977568e
--- /dev/null
+++ b/briar-android/artwork/notification_reminder.svg
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Ebene_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 24 24"
+   xml:space="preserve"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   sodipodi:docname="notification_reminder.svg"
+   width="24"
+   height="24"><metadata
+     id="metadata61"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
+     id="defs59" /><sodipodi:namedview
+     pagecolor="#000000"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1020"
+     id="namedview57"
+     showgrid="false"
+     inkscape:zoom="32.43286"
+     inkscape:cx="6.4172501"
+     inkscape:cy="12.231457"
+     inkscape:window-x="1442"
+     inkscape:window-y="24"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="Ebene_1"
+     units="px" /><style
+     type="text/css"
+     id="style3">
+	.st0{fill:#FFFFFF;}
+	.st1{display:none;fill:#87C214;}
+	.st2{fill:#87C214;}
+	.st3{display:none;fill:#FFFFFF;}
+	.st4{fill:#95D220;}
+	.st5{display:none;fill:#95D220;}
+</style><path
+     style="display:inline;fill:#ffffff;stroke-width:0.07272727"
+     d="M 12 0 A 12 12 0 0 0 4.875 2.3613281 L 6.9316406 4.4160156 C 7.0875805 3.8805807 7.5639651 3.4765625 8.1464844 3.4765625 L 8.7480469 3.4765625 C 9.4535014 3.4765625 10.035156 4.0582174 10.035156 4.7636719 L 10.035156 6.4003906 L 8.9140625 6.4003906 L 9.4238281 6.9101562 L 13.404297 6.9101562 L 13.404297 10.085938 L 12.601562 10.085938 L 13.914062 11.398438 L 13.914062 4.7636719 C 13.914062 4.0582174 14.495717 3.4765625 15.201172 3.4765625 L 15.802734 3.4765625 C 16.515461 3.4765625 17.089844 4.0582174 17.089844 4.7636719 L 17.089844 13.455078 L 15.96875 13.455078 L 16.478516 13.964844 L 19.236328 13.964844 C 19.941782 13.964844 20.516165 14.546498 20.523438 15.251953 L 20.523438 15.853516 C 20.523438 16.436036 20.119418 16.91242 19.583984 17.068359 L 21.638672 19.125 A 12 12 0 0 0 24 12 A 12 12 0 0 0 12 0 z M 1.2617188 1.3632812 L 0 2.6269531 L 2.3125 4.9472656 A 12 12 0 0 0 0 12 A 12 12 0 0 0 12 24 A 12 12 0 0 0 19.027344 21.707031 L 21.314453 24 L 22.576172 22.734375 L 2.7519531 2.8554688 L 1.9863281 2.0898438 L 1.2617188 1.3632812 z M 17.599609 6.9101562 L 19.236328 6.9101562 C 19.941782 6.9101562 20.516165 7.4918111 20.523438 8.1972656 L 20.523438 8.7988281 C 20.523438 9.511555 19.941782 10.085937 19.236328 10.085938 L 17.599609 10.085938 L 17.599609 6.9101562 z M 4.359375 6.9980469 L 7.4394531 10.085938 L 4.7128906 10.085938 C 4.0001632 10.085938 3.4257813 9.504282 3.4257812 8.7988281 L 3.4257812 8.1972656 C 3.4257812 7.6133228 3.8294199 7.1540656 4.359375 6.9980469 z M 6.859375 10.595703 L 7.9472656 10.595703 L 10.035156 12.689453 L 10.035156 19.287109 C 10.035156 19.992562 9.4535014 20.574219 8.7480469 20.574219 L 8.1464844 20.574219 C 7.4337573 20.574219 6.859375 19.992563 6.859375 19.287109 L 6.859375 10.595703 z M 4.7128906 13.964844 L 6.3496094 13.964844 L 6.3496094 17.140625 L 4.7128906 17.140625 C 4.0001632 17.140625 3.4257813 16.558971 3.4257812 15.853516 L 3.4257812 15.251953 C 3.4257812 14.539226 4.007436 13.964844 4.7128906 13.964844 z M 10.544922 13.964844 L 11.306641 13.964844 L 14.474609 17.140625 L 10.544922 17.140625 L 10.544922 13.964844 z M 13.914062 17.650391 L 14.982422 17.650391 L 16.992188 19.666016 C 16.827053 20.182975 16.371277 20.574219 15.802734 20.574219 L 15.201172 20.574219 C 14.495717 20.574219 13.914063 19.992563 13.914062 19.287109 L 13.914062 17.650391 z "
+     id="circle7" /></svg>
\ No newline at end of file
diff --git a/briar-android/src/main/AndroidManifest.xml b/briar-android/src/main/AndroidManifest.xml
index 3c3ac063e6085c12a485364264e48268f73f0070..f105d57e9706e53679d3ba75d2c8baed390c9497 100644
--- a/briar-android/src/main/AndroidManifest.xml
+++ b/briar-android/src/main/AndroidManifest.xml
@@ -14,6 +14,7 @@
 	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
+	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
 	<uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
 
 	<application
@@ -24,6 +25,14 @@
 		android:logo="@mipmap/ic_launcher_round"
 		android:theme="@style/BriarTheme">
 
+		<receiver
+			android:name="org.briarproject.briar.android.BootReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="android.intent.action.BOOT_COMPLETED"/>
+			</intent-filter>
+		</receiver>
+
 		<service
 			android:name="org.briarproject.briar.android.BriarService"
 			android:exported="false">
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/AndroidNotificationManagerImpl.java b/briar-android/src/main/java/org/briarproject/briar/android/AndroidNotificationManagerImpl.java
index c18d2a7c641b846534d351f09669b4345854c27b..91743a06c12957cc3a51b40343e3150495a94954 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/AndroidNotificationManagerImpl.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/AndroidNotificationManagerImpl.java
@@ -85,13 +85,6 @@ import static org.briarproject.briar.android.settings.SettingsFragment.SETTINGS_
 class AndroidNotificationManagerImpl implements AndroidNotificationManager,
 		Service, EventListener {
 
-	// Notification IDs
-	private static final int PRIVATE_MESSAGE_NOTIFICATION_ID = 3;
-	private static final int GROUP_MESSAGE_NOTIFICATION_ID = 4;
-	private static final int FORUM_POST_NOTIFICATION_ID = 5;
-	private static final int BLOG_POST_NOTIFICATION_ID = 6;
-	private static final int INTRODUCTION_SUCCESS_NOTIFICATION_ID = 7;
-
 	private static final long SOUND_DELAY = TimeUnit.SECONDS.toMillis(2);
 
 	private static final Logger LOG =
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/BootReceiver.java b/briar-android/src/main/java/org/briarproject/briar/android/BootReceiver.java
new file mode 100644
index 0000000000000000000000000000000000000000..20fed7c138c7d9949535ef11f8c5b0520131d25b
--- /dev/null
+++ b/briar-android/src/main/java/org/briarproject/briar/android/BootReceiver.java
@@ -0,0 +1,67 @@
+package org.briarproject.briar.android;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.content.ContextCompat;
+
+import org.briarproject.briar.R;
+import org.briarproject.briar.android.navdrawer.NavDrawerActivity;
+
+import static android.app.NotificationManager.IMPORTANCE_LOW;
+import static android.content.Context.NOTIFICATION_SERVICE;
+import static android.content.Intent.ACTION_BOOT_COMPLETED;
+import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.os.Build.VERSION.SDK_INT;
+import static android.support.v4.app.NotificationCompat.PRIORITY_LOW;
+import static android.support.v4.app.NotificationCompat.VISIBILITY_SECRET;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_NOTIFICATION_ID;
+
+public class BootReceiver extends BroadcastReceiver {
+
+	@Override
+	public void onReceive(Context ctx, Intent intent) {
+		String action = intent.getAction();
+		if (action != null && action.equals(ACTION_BOOT_COMPLETED)) {
+			showSignInNotification(ctx);
+		}
+	}
+
+	private void showSignInNotification(Context ctx) {
+		NotificationManager nm = (NotificationManager)
+				ctx.getSystemService(NOTIFICATION_SERVICE);
+		if (nm == null) return;
+
+		if (SDK_INT >= 26) {
+			NotificationChannel channel =
+					new NotificationChannel(REMINDER_CHANNEL_ID, ctx.getString(
+							R.string.reminder_notification_channel_title),
+							IMPORTANCE_LOW);
+			channel.setLockscreenVisibility(VISIBILITY_SECRET);
+			nm.createNotificationChannel(channel);
+		}
+
+		NotificationCompat.Builder b =
+				new NotificationCompat.Builder(ctx, REMINDER_CHANNEL_ID);
+		b.setSmallIcon(R.drawable.notification_reminder);
+		b.setColor(ContextCompat.getColor(ctx, R.color.briar_primary));
+		b.setContentTitle(ctx.getText(R.string.reminder_notification_title));
+		b.setContentText(ctx.getText(R.string.reminder_notification_text));
+		b.setAutoCancel(true);
+		b.setWhen(0); // Don't show the time
+		b.setPriority(PRIORITY_LOW);
+
+		Intent i = new Intent(ctx, NavDrawerActivity.class);
+		i.setFlags(FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TOP);
+		b.setContentIntent(PendingIntent.getActivity(ctx, 0, i, 0));
+
+		nm.notify(REMINDER_NOTIFICATION_ID, b.build());
+	}
+
+}
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/BriarService.java b/briar-android/src/main/java/org/briarproject/briar/android/BriarService.java
index bfd2ed156380575fcde912f16e629a3f2550bb56..523935278bf0baa04299c6f24f945ec8d9da1fd4 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/BriarService.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/BriarService.java
@@ -50,6 +50,11 @@ import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.ALREADY_RUNNING;
 import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.SUCCESS;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_NOTIFICATION_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_CHANNEL_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.ONGOING_NOTIFICATION_ID;
+import static org.briarproject.briar.api.android.AndroidNotificationManager.REMINDER_NOTIFICATION_ID;
 
 public class BriarService extends Service {
 
@@ -60,14 +65,6 @@ public class BriarService extends Service {
 	public static String EXTRA_STARTUP_FAILED =
 			"org.briarproject.briar.STARTUP_FAILED";
 
-	private static final int ONGOING_NOTIFICATION_ID = 1;
-	private static final int FAILURE_NOTIFICATION_ID = 2;
-
-	// Channels are sorted by channel ID in the Settings app, so use IDs
-	// that will sort below the main channels such as contacts
-	private static final String ONGOING_CHANNEL_ID = "zForegroundService";
-	private static final String FAILURE_CHANNEL_ID = "zStartupFailure";
-
 	private static final Logger LOG =
 			Logger.getLogger(BriarService.class.getName());
 
@@ -106,9 +103,9 @@ public class BriarService extends Service {
 		}
 
 		// Create notification channels
+		NotificationManager nm = (NotificationManager)
+				getSystemService(NOTIFICATION_SERVICE);
 		if (SDK_INT >= 26) {
-			NotificationManager nm = (NotificationManager)
-					getSystemService(NOTIFICATION_SERVICE);
 			NotificationChannel ongoingChannel = new NotificationChannel(
 					ONGOING_CHANNEL_ID,
 					getString(R.string.ongoing_notification_title),
@@ -140,6 +137,8 @@ public class BriarService extends Service {
 		}
 		b.setPriority(PRIORITY_MIN);
 		startForeground(ONGOING_NOTIFICATION_ID, b.build());
+		// Remove sign-in reminder notification
+		nm.cancel(REMINDER_NOTIFICATION_ID);
 		// Start the services in a background thread
 		new Thread(() -> {
 			String nickname = databaseConfig.getLocalAuthorName();
diff --git a/briar-android/src/main/java/org/briarproject/briar/api/android/AndroidNotificationManager.java b/briar-android/src/main/java/org/briarproject/briar/api/android/AndroidNotificationManager.java
index 0579dc87323f2421576ebc18def5fb03dc27b85a..c9415cbd5f19f1f75bf96b997dd2091d23b4066c 100644
--- a/briar-android/src/main/java/org/briarproject/briar/api/android/AndroidNotificationManager.java
+++ b/briar-android/src/main/java/org/briarproject/briar/api/android/AndroidNotificationManager.java
@@ -21,11 +21,26 @@ public interface AndroidNotificationManager {
 	String PREF_NOTIFY_VIBRATION = "notifyVibration";
 	String PREF_NOTIFY_LOCK_SCREEN = "notifyLockScreen";
 
+	// Notification IDs
+	int ONGOING_NOTIFICATION_ID = 1;
+	int FAILURE_NOTIFICATION_ID = 2;
+	int REMINDER_NOTIFICATION_ID = 3;
+	int PRIVATE_MESSAGE_NOTIFICATION_ID = 4;
+	int GROUP_MESSAGE_NOTIFICATION_ID = 5;
+	int FORUM_POST_NOTIFICATION_ID = 6;
+	int BLOG_POST_NOTIFICATION_ID = 7;
+	int INTRODUCTION_SUCCESS_NOTIFICATION_ID = 8;
+
 	// Channel IDs
 	String CONTACT_CHANNEL_ID = "contacts";
 	String GROUP_CHANNEL_ID = "groups";
 	String FORUM_CHANNEL_ID = "forums";
 	String BLOG_CHANNEL_ID = "blogs";
+	// Channels are sorted by channel ID in the Settings app, so use IDs
+	// that will sort below the main channels such as contacts
+	String ONGOING_CHANNEL_ID = "zForegroundService";
+	String FAILURE_CHANNEL_ID = "zStartupFailure";
+	String REMINDER_CHANNEL_ID = "zSignInReminder";
 
 	// Content URIs for pending intents
 	String CONTACT_URI = "content://org.briarproject.briar/contact";
diff --git a/briar-android/src/main/res/drawable/notification_reminder.xml b/briar-android/src/main/res/drawable/notification_reminder.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1defd7d3d3583a62e15eac36d7e8066b389903da
--- /dev/null
+++ b/briar-android/src/main/res/drawable/notification_reminder.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportHeight="24"
+        android:viewportWidth="24">
+	<path
+		android:fillColor="#ffffff"
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+</vector>
\ No newline at end of file
diff --git a/briar-android/src/main/res/values/strings.xml b/briar-android/src/main/res/values/strings.xml
index 1c0fb4d57e70d7c90c8462d4fd79390d6cd794b9..93fb23f4d95b19dab35d15896cd1d7de30f34e12 100644
--- a/briar-android/src/main/res/values/strings.xml
+++ b/briar-android/src/main/res/values/strings.xml
@@ -68,6 +68,9 @@
 	<string name="transport_lan">Wi-Fi</string>
 
 	<!-- Notifications -->
+	<string name="reminder_notification_title">Signed out of Briar</string>
+	<string name="reminder_notification_text">Tap to sign back in or swipe to dismiss.</string>
+	<string name="reminder_notification_channel_title">Briar Sign-in Reminder</string>
 	<string name="ongoing_notification_title">Signed into Briar</string>
 	<string name="ongoing_notification_text">Touch to open Briar.</string>
 	<plurals name="private_message_notification_text">