diff --git a/Android/app/build.gradle.kts b/Android/app/build.gradle.kts
index 01a4c393..0c660ce2 100644
--- a/Android/app/build.gradle.kts
+++ b/Android/app/build.gradle.kts
@@ -20,6 +20,12 @@ android {
     }
 
     buildTypes {
+        debug {
+            // Separate app ID so a debug/test build installs alongside the
+            // release app instead of colliding on signature.
+            applicationIdSuffix = ".debug"
+            versionNameSuffix = "-debug"
+        }
         release {
             isMinifyEnabled = true
             isShrinkResources = true