diff --git a/CountingTestProject.xcodeproj/project.pbxproj b/CountingTestProject.xcodeproj/project.pbxproj
index d9d931c..aa4e929 100644
--- a/CountingTestProject.xcodeproj/project.pbxproj
+++ b/CountingTestProject.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		33EFDA461C56C4C40084A36A /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 33EFDA451C56C4C40084A36A /* QuartzCore.framework */; };
 		4C5DC2A416C576E30043204D /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4C5DC2A316C576E30043204D /* UIKit.framework */; };
 		4C5DC2A616C576E30043204D /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4C5DC2A516C576E30043204D /* Foundation.framework */; };
 		4C5DC2A816C576E30043204D /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4C5DC2A716C576E30043204D /* CoreGraphics.framework */; };
@@ -22,6 +23,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		33EFDA451C56C4C40084A36A /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		4C5DC2A016C576E30043204D /* CountingTestProject.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = CountingTestProject.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		4C5DC2A316C576E30043204D /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
 		4C5DC2A516C576E30043204D /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
@@ -47,6 +49,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				33EFDA461C56C4C40084A36A /* QuartzCore.framework in Frameworks */,
 				4C5DC2A416C576E30043204D /* UIKit.framework in Frameworks */,
 				4C5DC2A616C576E30043204D /* Foundation.framework in Frameworks */,
 				4C5DC2A816C576E30043204D /* CoreGraphics.framework in Frameworks */,
@@ -76,6 +79,7 @@
 		4C5DC2A216C576E30043204D /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				33EFDA451C56C4C40084A36A /* QuartzCore.framework */,
 				4C5DC2A316C576E30043204D /* UIKit.framework */,
 				4C5DC2A516C576E30043204D /* Foundation.framework */,
 				4C5DC2A716C576E30043204D /* CoreGraphics.framework */,
@@ -139,7 +143,7 @@
 			isa = PBXProject;
 			attributes = {
 				CLASSPREFIX = CTP;
-				LastUpgradeCheck = 0460;
+				LastUpgradeCheck = 0720;
 				ORGANIZATIONNAME = "Tim Gostony";
 			};
 			buildConfigurationList = 4C5DC29B16C576E30043204D /* Build configuration list for PBXProject "CountingTestProject" */;
@@ -222,6 +226,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
+				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -271,6 +276,7 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "CountingTestProject/CountingTestProject-Prefix.pch";
 				INFOPLIST_FILE = "CountingTestProject/CountingTestProject-Info.plist";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.timgostony.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = app;
 			};
@@ -283,6 +289,7 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "CountingTestProject/CountingTestProject-Prefix.pch";
 				INFOPLIST_FILE = "CountingTestProject/CountingTestProject-Info.plist";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.timgostony.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = app;
 			};
diff --git a/CountingTestProject/CountingTestProject-Info.plist b/CountingTestProject/CountingTestProject-Info.plist
index 0f66f26..5860c3f 100644
--- a/CountingTestProject/CountingTestProject-Info.plist
+++ b/CountingTestProject/CountingTestProject-Info.plist
@@ -9,7 +9,7 @@
 	<key>CFBundleExecutable</key>
 	<string>${EXECUTABLE_NAME}</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.timgostony.${PRODUCT_NAME:rfc1034identifier}</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
diff --git a/UICountingLabel.m b/UICountingLabel.m
index 87bd0cb..cb08010 100755
--- a/UICountingLabel.m
+++ b/UICountingLabel.m
@@ -1,3 +1,5 @@
+#import <QuartzCore/QuartzCore.h>
+
 #import "UICountingLabel.h"
 
 #if !__has_feature(objc_arc)
@@ -86,7 +88,7 @@ @interface UICountingLabel ()
 @property NSTimeInterval totalTime;
 @property CGFloat easingRate;
 
-@property (nonatomic, weak) NSTimer *timer;
+@property (nonatomic, strong) CADisplayLink *timer;
 @property (nonatomic, strong) id<UILabelCounter> counter;
 
 @end
@@ -142,9 +144,10 @@ -(void)countFrom:(CGFloat)startValue to:(CGFloat)endValue withDuration:(NSTimeIn
             break;
     }
 
-    NSTimer *timer = [NSTimer timerWithTimeInterval:(1.0f/30.0f) target:self selector:@selector(updateValue:) userInfo:nil repeats:YES];
-    [[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
-    [[NSRunLoop mainRunLoop] addTimer:timer forMode:UITrackingRunLoopMode];
+    CADisplayLink *timer = [CADisplayLink displayLinkWithTarget:self selector:@selector(updateValue:)];
+    timer.frameInterval = 2;
+    [timer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
+    [timer addToRunLoop:[NSRunLoop mainRunLoop] forMode:UITrackingRunLoopMode];
     self.timer = timer;
 }