diff --git a/Assets/RothenburgAR/Scripts/UI/FontsizeManager.cs b/Assets/RothenburgAR/Scripts/UI/FontsizeManager.cs
index ed28809..4b8608d 100644
--- a/Assets/RothenburgAR/Scripts/UI/FontsizeManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/FontsizeManager.cs
@@ -7,37 +7,44 @@ namespace RothenburgAR.UI
 {
     public class FontsizeManager : Singleton<FontsizeManager>
     {
+        private const float InchPerPt = 1f / 72f;
+        private const float PtPerPixel = 0.75f;
+
+        // font size in pt relative to dpi specific logical inch
         private Dictionary<FontsizeClass, float> sizes = new Dictionary<FontsizeClass, float>
         {
             {
-                FontsizeClass.Header, 0.5f
+                FontsizeClass.Header, 25f
             },
             {
-                FontsizeClass.Body, 0.2f
+                FontsizeClass.Body, 12f
             }
         };
 
-        private void Start()
-        {
-            Debug.Log("Screen dpi: " + Screen.dpi);
-        }
-
+        /// <summary>
+        /// Calculates font size that is roughly equal in size on "all" displays
+        /// </summary>
         public float GetFontsize(FontsizeClass sizeClass)
         {
-            var dpi = 420;//Screen.dpi;
+            var dpi = Screen.dpi;
             var res = Screen.currentResolution;
 
+            //TODO remove, just a hack to get readable fonts in the unity preview window
+            dpi = dpi == 96 ? 320 : dpi;
+
             // Screen diagonal in px
             var diagonal = Mathf.Sqrt(Mathf.Pow(res.height, 2) + Mathf.Pow(res.width, 2));
 
             // Screen diagonal in logical inches
             var diagonalIn = diagonal / dpi;
 
-            var ratio = diagonalIn * sizes[sizeClass];
-            var fontsizePx = diagonal * ratio;
-            var fontsizePt = fontsizePx * 0.75f;
+            // ratio of font size to screen size
+            var ratio = sizes[sizeClass] * InchPerPt / diagonalIn;
 
-            return dpi * sizes[sizeClass];
+            // final font size in pt
+            var fontsizePt = diagonal * ratio * PtPerPixel;
+
+            return fontsizePt;
         }
     }
 
diff --git a/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs b/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs
index bc4d1ab..78e6a01 100644
--- a/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs
+++ b/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs
@@ -15,7 +15,7 @@ namespace RothenburgAR.UI
             {
                 tmproText.enableAutoSizing = true;
                 tmproText.fontSizeMax = FontsizeManager.Instance.GetFontsize(this.SizeClass);
-                tmproText.fontSizeMin = tmproText.fontSizeMax * 0.5f;
+                tmproText.fontSizeMin = tmproText.fontSizeMax * 0.8f;
             }
         }
 
diff --git a/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs b/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs
index e9c1a04..14c805f 100644
--- a/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs
@@ -13,6 +13,8 @@ namespace RothenburgAR.Updater
     {
         public UnityEngine.UI.Slider ProgressBar;
 
+        private float afterDownloadWaitTime = 300f;
+
         public VersioncheckAnswer VersionAnswer { get; set; }
         private List<HttpHandler> httpHandlers = new List<HttpHandler>();
 
@@ -234,7 +236,6 @@ namespace RothenburgAR.Updater
         }
 
         private DateTime downloadEndedTime = DateTime.Now.AddSeconds(1);
-        private float afterDownloadWaitTime = 10f;
 
         void Update()
         {
diff --git a/Assets/updaterScene.unity b/Assets/updaterScene.unity
index 516fbc8..aceb8b8 100644
--- a/Assets/updaterScene.unity
+++ b/Assets/updaterScene.unity
@@ -720,7 +720,7 @@ RectTransform:
   m_Father: {fileID: 562107609}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0.9}
+  m_AnchorMin: {x: 0, y: 0.5}
   m_AnchorMax: {x: 1, y: 1}
   m_AnchoredPosition: {x: 0, y: 0}
   m_SizeDelta: {x: 0, y: 0}
@@ -772,10 +772,10 @@ MonoBehaviour:
   m_outlineColor:
     serializedVersion: 2
     rgba: 4278190080
-  m_fontSize: 50.35
+  m_fontSize: 38.4
   m_fontSizeBase: 38.4
   m_fontWeight: 400
-  m_enableAutoSizing: 1
+  m_enableAutoSizing: 0
   m_fontSizeMin: 15
   m_fontSizeMax: 1000
   m_fontStyle: 0