diff --git a/Tree Tracker/AppDelegate.swift b/Tree Tracker/AppDelegate.swift
index 1c82914..83a2e00 100644
--- a/Tree Tracker/AppDelegate.swift	
+++ b/Tree Tracker/AppDelegate.swift	
@@ -9,6 +9,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         let config = RollbarConfig()
         config.destination.accessToken = Secrets.rollbarAuthToken
         config.destination.environment = Constants.Http.protectEarthEnvironmentName
+        config.person.id = UIDevice.current.identifierForVendor?.uuidString ?? "unknown"
 
         Rollbar.initWithConfiguration(config)
         Rollbar.infoMessage("App startup")
diff --git a/Tree Tracker/Info.plist b/Tree Tracker/Info.plist
index 4aa4399..3608151 100644
--- a/Tree Tracker/Info.plist	
+++ b/Tree Tracker/Info.plist	
@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.10.3</string>
+	<string>0.10.4</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
diff --git a/Tree Tracker/Screens/Settings/SettingsController.swift b/Tree Tracker/Screens/Settings/SettingsController.swift
index a51324f..6a09595 100644
--- a/Tree Tracker/Screens/Settings/SettingsController.swift	
+++ b/Tree Tracker/Screens/Settings/SettingsController.swift	
@@ -24,7 +24,7 @@ class SettingsController: UITableViewController {
     
     // MARK: - Datasource
     override func numberOfSections(in tableView: UITableView) -> Int {
-        return 2
+        return 3
     }
     
     override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
@@ -33,6 +33,8 @@ class SettingsController: UITableViewController {
             return "Entities"
         case 1:
             return "API"
+        case 2:
+            return "Device ID"
         default:
             return "Error"
         }
@@ -44,6 +46,8 @@ class SettingsController: UITableViewController {
             return entityTypes.count
         case 1:
             return apiProperties.count
+        case 2:
+            return 1
         default:
             return 0
         }
@@ -58,6 +62,9 @@ class SettingsController: UITableViewController {
         case 1:
             cell.textLabel?.text = apiProperties[indexPath.item]
             cell.selectionStyle = .none
+        case 2:
+            cell.textLabel?.text = UIDevice.current.identifierForVendor?.uuidString ?? "unknown"
+            cell.selectionStyle = .none
         default:
             break
         }
diff --git a/Unit Tests/Info.plist b/Unit Tests/Info.plist
index 2bd7ac5..b6eeb82 100644
--- a/Unit Tests/Info.plist	
+++ b/Unit Tests/Info.plist	
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.10.3</string>
+	<string>0.10.4</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 </dict>