diff --git a/FuelBoard/AlertsView.swift b/FuelBoard/AlertsView.swift
index 6ed0fca..cfb1d40 100644
--- a/FuelBoard/AlertsView.swift
+++ b/FuelBoard/AlertsView.swift
@@ -46,6 +46,34 @@ struct AlertsView: View {
         return "\(shown) \(distanceUnit.label(for: Double(shown)))"
     }
 
+    /// Situational guidance for the currently-selected alert radius, shown
+    /// under the picker so users know what each choice is best for. Labels
+    /// mirror the picker row text (unit-aware) and explain the trade-off:
+    /// smaller radii ping more often but later; larger radii ping rarely in
+    /// town but earlier from afar.
+    private var alertRadiusGuidance: String {
+        switch alertChoice.wrappedValue {
+        case .followSearch:
+            return "Set-and-forget: alerts behave exactly like the Stations-tab search distance (capped at 8 miles for reliable geofencing)."
+        case .fixed(let value):
+            let optionLabel = "\(value) \(distanceUnit.label(for: Double(value)))"
+            let body: String
+            switch value {
+            case 1:
+                body = "Town driving. Fires most often — you're rarely inside the circle for long, so pings are meaningful. Best for stop-start local trips."
+            case 2:
+                body = "City or suburb commute. Slightly earlier heads-up than the smallest option; still fires regularly around town."
+            case 3:
+                body = "Mixed driving. Middle ground: heads-up a few minutes out, still works in most towns."
+            case 5:
+                body = "A-roads and motorway exits. Wide early warning for longer trips — but in town it rarely fires, because you're usually already inside the circle."
+            default:
+                body = "Long-distance journeys. Maximum reach: a ping when a cheap station is coming up from far out. In town this essentially never fires."
+            }
+            return "\(optionLabel) — \(body)"
+        }
+    }
+
     private enum AlertRadiusChoice: Hashable {
         case followSearch
         case fixed(Int)
@@ -115,6 +143,9 @@ struct AlertsView: View {
                             Text("\(value) \(distanceUnit.label(for: Double(value)))").tag(AlertRadiusChoice.fixed(value))
                         }
                     }
+                    Text(alertRadiusGuidance)
+                        .font(.caption)
+                        .foregroundStyle(.secondary)
                     if enabled && monitoredCount == 0 {
                         Text("No stations monitored yet — open the Stations tab to load prices first.")
                             .font(.caption)
@@ -123,7 +154,7 @@ struct AlertsView: View {
                 } header: {
                     Text("Cheapest-station alerts")
                 } footer: {
-                    Text("When you approach a station that is the cheapest within the radius, FuelBoard sends a notification — even with the app closed. Nearby stations selling \(fuel.displayName.lowercased()) are watched — favourites get priority — and each station alerts at most once per hour. Follow search mirrors the Stations-tab distance, capped at 8 miles for reliable geofencing.")
+                    Text("When you approach a station that is the cheapest within the radius, FuelBoard sends a notification — even with the app closed. Nearby stations selling \(fuel.displayName.lowercased()) are watched — favourites get priority — and each station alerts at most once per hour. Follow search mirrors the Stations-tab distance, capped at 8 miles for reliable geofencing. Smaller radii ping more often but later; larger radii ping rarely in town but earlier from afar.")
                 }
 
                 if enabled, let lastAlert {
diff --git a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-dark.png b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-dark.png
index deaaba0..1212077 100644
Binary files a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-dark.png and b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-dark.png differ
diff --git a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-tinted.png b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-tinted.png
index c53a703..5b79482 100644
Binary files a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-tinted.png and b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon-tinted.png differ
diff --git a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon.png b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon.png
index f2eb1ea..2ef738b 100644
Binary files a/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon.png and b/FuelBoard/Assets.xcassets/AppIcon.appiconset/AppIcon.png differ
diff --git a/FuelBoard/Assets.xcassets/AppIconArtwork.imageset/AppIconArtwork.png b/FuelBoard/Assets.xcassets/AppIconArtwork.imageset/AppIconArtwork.png
index f2eb1ea..2ef738b 100644
Binary files a/FuelBoard/Assets.xcassets/AppIconArtwork.imageset/AppIconArtwork.png and b/FuelBoard/Assets.xcassets/AppIconArtwork.imageset/AppIconArtwork.png differ