diff --git a/homeassistant/components/mobile_app/entity.py b/homeassistant/components/mobile_app/entity.py
index 27cb9934b18..5200c6b0c12 100644
--- a/homeassistant/components/mobile_app/entity.py
+++ b/homeassistant/components/mobile_app/entity.py
@@ -7,6 +7,7 @@ from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity import Entity
 
 from .const import (
+    ATTR_DEVICE_NAME,
     ATTR_SENSOR_ATTRIBUTES,
     ATTR_SENSOR_DEVICE_CLASS,
     ATTR_SENSOR_ICON,
@@ -38,6 +39,7 @@ class MobileAppEntity(Entity):
         )
         self._entity_type = config[ATTR_SENSOR_TYPE]
         self.unsub_dispatcher = None
+        self._name = f"{entry.data[ATTR_DEVICE_NAME]} {config[ATTR_SENSOR_NAME]}"
 
     async def async_added_to_hass(self):
         """Register callbacks."""
@@ -58,7 +60,7 @@ class MobileAppEntity(Entity):
     @property
     def name(self):
         """Return the name of the mobile app sensor."""
-        return self._config[ATTR_SENSOR_NAME]
+        return self._name
 
     @property
     def device_class(self):
diff --git a/tests/components/mobile_app/test_entity.py b/tests/components/mobile_app/test_entity.py
index 0db9d42048f..65dc328186d 100644
--- a/tests/components/mobile_app/test_entity.py
+++ b/tests/components/mobile_app/test_entity.py
@@ -35,7 +35,7 @@ async def test_sensor(hass, create_registrations, webhook_client):
     assert json == {"success": True}
     await hass.async_block_till_done()
 
-    entity = hass.states.get("sensor.battery_state")
+    entity = hass.states.get("sensor.test_1_battery_state")
     assert entity is not None
 
     assert entity.attributes["device_class"] == "battery"
@@ -43,7 +43,7 @@ async def test_sensor(hass, create_registrations, webhook_client):
     assert entity.attributes["unit_of_measurement"] == "%"
     assert entity.attributes["foo"] == "bar"
     assert entity.domain == "sensor"
-    assert entity.name == "Battery State"
+    assert entity.name == "Test 1 Battery State"
     assert entity.state == "100"
 
     update_resp = await webhook_client.post(
@@ -63,7 +63,7 @@ async def test_sensor(hass, create_registrations, webhook_client):
 
     assert update_resp.status == 200
 
-    updated_entity = hass.states.get("sensor.battery_state")
+    updated_entity = hass.states.get("sensor.test_1_battery_state")
     assert updated_entity.state == "123"
 
     dev_reg = await device_registry.async_get_registry(hass)