diff --git a/map/screen_coverage.cpp b/map/screen_coverage.cpp
index 4c27945196..949a318b3d 100644
--- a/map/screen_coverage.cpp
+++ b/map/screen_coverage.cpp
@@ -248,13 +248,7 @@ void ScreenCoverage::SetScreen(ScreenBase const & screen)
   vector<Tiler::RectInfo> newRects;
   TTileSet tiles;
 
-#ifdef OMIM_OS_IPHONE
-  int cacheDepthes[] = {0, 1};
-#else
-  int cacheDepthes[] = {0, 1, 2};
-#endif
-
-  m_tiler.tiles(allRects, cacheDepthes, ARRAY_SIZE(cacheDepthes));
+  m_tiler.tiles(allRects, GetPlatform().PreCachingDepth());
 
   TileCache * tileCache = &m_tileRenderer->GetTileCache();
 
@@ -348,11 +342,7 @@ void ScreenCoverage::SetScreen(ScreenBase const & screen)
 
 //    if (m_tiler.isLeaf(nr) || (childTilesToDraw > 1))
 
-#ifdef OMIM_OS_IPHONE
-    int step = 1;
-#else
-    int step = 2;
-#endif
+    int const step = GetPlatform().PreCachingDepth() - 1;
 
     if ((nr.m_tileScale == m_tiler.tileScale() - step)
      || (nr.m_tileScale == m_tiler.tileScale() ))
diff --git a/map/tiler.cpp b/map/tiler.cpp
index eacb3ea959..bcc6ef4eb2 100644
--- a/map/tiler.cpp
+++ b/map/tiler.cpp
@@ -89,7 +89,7 @@ void Tiler::seed(ScreenBase const & screen, m2::PointD const & centerPt, size_t
   m_tileScale = getTileScale(screen, tileSize);
 }
 
-void Tiler::tiles(vector<RectInfo> & tiles, int const * depthes, unsigned count)
+void Tiler::tiles(vector<RectInfo> & tiles, int depth)
 {
   if (m_tileScale == 0)
     return;
@@ -97,16 +97,12 @@ void Tiler::tiles(vector<RectInfo> & tiles, int const * depthes, unsigned count)
   /// clearing previous coverage
   tiles.clear();
 
-  int maxDepth = depthes[count - 1];
+  if (m_tileScale - depth < 0)
+    depth = m_tileScale;
 
-  for (int j = count - 1; j >= 0; --j)
+  for (unsigned i = 0; i < depth; ++i)
   {
-    int curDepth = depthes[j];
-
-    if (m_tileScale - curDepth < 0)
-      curDepth = m_tileScale;
-
-    int pow = maxDepth - curDepth;
+    int pow = depth - 1 - i;
 
     int scale = 1 << pow;
 
diff --git a/map/tiler.hpp b/map/tiler.hpp
index ece9b3ead2..e24080977c 100644
--- a/map/tiler.hpp
+++ b/map/tiler.hpp
@@ -40,7 +40,7 @@ public:
   /// seed tiler with new screenBase.
   void seed(ScreenBase const & screenBase, m2::PointD const & centerPt, size_t tileSize);
 
-  void tiles(vector<RectInfo> & tiles, int const * depthes, unsigned count);
+  void tiles(vector<RectInfo> & tiles, int depth);
   bool isLeaf(RectInfo const & ri) const;
 
   int tileScale() const;
diff --git a/platform/platform_ios.mm b/platform/platform_ios.mm
index b4d270e15a..1fe47165f8 100644
--- a/platform/platform_ios.mm
+++ b/platform/platform_ios.mm
@@ -127,7 +127,7 @@ int Platform::VideoMemoryLimit() const
 
 int Platform::PreCachingDepth() const
 {
-  return 3;
+  return 2;
 }
 
 string Platform::DeviceName() const