diff --git a/README.md b/README.md
index 55cd5baf1..d1ce45f0d 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,5 @@ for verbose logging
 adb shell setprop log.tag.FA VERBOSE
 adb shell setprop log.tag.FA-SVC VERBOSE
 
+To see crash logs:
+https://console.firebase.google.com/u/0/project/meshutil/crashlytics/app/android:com.geeksville.meshutil/issues?state=open&time=last-seven-days&type=crash
diff --git a/app/build.gradle b/app/build.gradle
index c6e3275d4..fa304c07d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,6 +3,9 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'com.google.gms.google-services'
 
+// Apply the Crashlytics Gradle plugin
+apply plugin: 'com.google.firebase.crashlytics'
+
 android {
     compileSdkVersion 29
     buildToolsVersion "29.0.2"
@@ -60,7 +63,8 @@ dependencies {
     androidTestImplementation("androidx.ui:ui-platform:$compose_version")
     androidTestImplementation("androidx.ui:ui-test:$compose_version")
 
-    // add the Firebase SDK for Google Analytics
+    // Add the Firebase SDK for Crashlytics.
+    implementation 'com.google.firebase:firebase-crashlytics:17.0.0-beta01'
 
     // add SDKs for any other desired Firebase products
     // https://firebase.google.com/docs/android/setup#available-libraries
diff --git a/app/src/main/java/com/geeksville/meshutil/MainActivity.kt b/app/src/main/java/com/geeksville/meshutil/MainActivity.kt
index 868217d3b..f10b56e11 100644
--- a/app/src/main/java/com/geeksville/meshutil/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/meshutil/MainActivity.kt
@@ -72,6 +72,7 @@ class MainActivity : AppCompatActivity() {
             /* Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                 .setAction("Action", null).show() */
 
+            // throw NotImplementedError("I like crap")
             if(bluetoothAdapter != null) {
                 SoftwareUpdateService.enqueueWork(this, SoftwareUpdateService.scanDevicesIntent)
             }
diff --git a/build.gradle b/build.gradle
index 0dcbcd5de..4557f73bc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,11 @@ buildscript {
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
 
-        classpath 'com.google.gms:google-services:4.3.2'
+        // Add the Crashlytics Gradle plugin.
+        // Check that you have the Google Services Gradle plugin v4.3.2 or later
+        // (if not, add it).
+        classpath 'com.google.gms:google-services:4.3.3'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.0.0-beta01'
     }
 }