.

src/javascript/controllers/ViewController.js

@@ -156,7 +156,7 @@ class ViewController extends UIViewController {
 
 	downloadIOS() {
 		let track     = this.tracks.get(this.track);
-		let mediaType = "application/json";
+		let mediaType = "plain/text";
 
 		let link      = document.createElement("a");
 		let blob      = new Blob([Std.StringToBinary(new GeoJSONCollection(track).toString())], { type: mediaType });