diff --git a/crates/ui-egui/locales/en.toml b/crates/ui-egui/locales/en.toml
index e1ed336e..e8b64043 100644
--- a/crates/ui-egui/locales/en.toml
+++ b/crates/ui-egui/locales/en.toml
@@ -1249,6 +1249,7 @@ name = "English"
 "Server address" = "Server address"
 "Server for online sharing" = "Server for online sharing"
 "Set as default" = "Set as default"
+"Set corner smoothing to 60%" = "Set corner smoothing to 60%"
 "Set variable" = "Set variable"
 "Set variable mode" = "Set variable mode"
 "Set variable {name}" = "Set variable {name}"
diff --git a/crates/ui-egui/src/corner_individual_tests.rs b/crates/ui-egui/src/corner_individual_tests.rs
index e1b317ce..b7520ffc 100644
--- a/crates/ui-egui/src/corner_individual_tests.rs
+++ b/crates/ui-egui/src/corner_individual_tests.rs
@@ -55,6 +55,21 @@ fn field(u: &Ui, k: usize) -> Rect {
     u.ctx.read_response(Id::new(("corner", k)).with("field")).expect("corner field shows").rect
 }
 
+/// The iOS button next to Corner smoothing sets 60% in one undo step, as the help page's "click
+/// iOS to set corner smoothing to 60%" describes.
+#[test]
+fn ios_button_sets_corner_smoothing_to_60_percent() {
+    let (mut u, r) = scene();
+    let t = named_button(&mut u, "Individual corners");
+    click(&mut u, t);
+    let history = u.app.session.undo_depth().0;
+    let ios = named_button(&mut u, "iOS");
+    click(&mut u, ios);
+    let smoothing = u.app.session.doc().unwrap().node(r).unwrap().corners.smoothing;
+    assert!((smoothing - 0.6).abs() < 1e-9, "smoothing is {smoothing}");
+    assert_eq!(u.app.session.undo_depth().0, history + 1);
+}
+
 /// The fields sit at their corners, and typing in the bottom right one sets only that corner in a
 /// single undo step (#1002: the bottom row showed bottom right on the left).
 #[test]
diff --git a/crates/ui-egui/src/right.rs b/crates/ui-egui/src/right.rs
index 57a0a8a7..0bbc2571 100644
--- a/crates/ui-egui/src/right.rs
+++ b/crates/ui-egui/src/right.rs
@@ -915,7 +915,9 @@ fn appearance(app: &mut FigApp, ui: &mut Ui, doc: &Document, sel: &[NodeId]) {
         row(ui, 32.0, |ui| {
             let e = widgets::number_field(ui, Id::new("smoothing"), Lead::None, sm, "%", col, 1.0);
             app.field(&ids, "cornerSmoothing", e, |v| json!((v / 100.0).clamp(0.0, 1.0)));
-            widgets::label(ui, "iOS: 60%", Tokens::get(ui.ctx()).text_tertiary);
+            if widgets::button(ui, tr("iOS"), false, true).on_hover_text(tr("Set corner smoothing to 60%")).clicked() {
+                app.set_props(&ids, json!({"cornerSmoothing": 0.6}));
+            }
         });
     }
     let blend = common(doc, sel, |n| n.blend);