diff --git a/ios/RNAppsFlyer.h b/ios/RNAppsFlyer.h
index 919a096a..143c38bd 100755
--- a/ios/RNAppsFlyer.h
+++ b/ios/RNAppsFlyer.h
@@ -18,6 +18,7 @@
 
 
 @interface RNAppsFlyer: RCTEventEmitter <RCTBridgeModule, AppsFlyerLibDelegate, AppsFlyerDeepLinkDelegate>
+@property (readwrite, nonatomic) BOOL isManualStart;
 @end
 
 
diff --git a/ios/RNAppsFlyer.m b/ios/RNAppsFlyer.m
index 7a67eaef..b25c3d14 100755
--- a/ios/RNAppsFlyer.m
+++ b/ios/RNAppsFlyer.m
@@ -49,7 +49,8 @@ -(NSError *) callSdkInternal:(NSDictionary*)initSdkOptions {
         devKey = (NSString*)[initSdkOptions objectForKey: afDevKey];
         appId = (NSString*)[initSdkOptions objectForKey: afAppId];
         interval = (NSNumber*)[initSdkOptions objectForKey: timeToWaitForATTUserAuthorization];
-        isManualStart = initSdkOptions[@"manualStart"];
+        isManualStart = [[initSdkOptions objectForKey:@"manualStart"] boolValue];
+        [self setIsManualStart:isManualStart];
 
         isDebugValue = [initSdkOptions objectForKey: afIsDebug];
         if ([isDebugValue isKindOfClass:[NSNumber class]]) {
@@ -113,6 +114,7 @@ -(NSError *) callSdkInternal:(NSDictionary*)initSdkOptions {
 }
 
 RCT_EXPORT_METHOD(startSdk) {
+    [self setIsManualStart:NO];
     [[AppsFlyerLib shared] start];
 }
 
@@ -221,7 +223,9 @@ -(NSError *) callSdkInternal:(NSDictionary*)initSdkOptions {
 
 -(void)sendLaunch:(UIApplication *)application {
     [[NSNotificationCenter defaultCenter] postNotificationName:RNAFBridgeInitializedNotification object:self];
-    [[AppsFlyerLib shared] start];
+    if (![self isManualStart]) {
+        [[AppsFlyerLib shared] start];
+    }
 }
 
 RCT_EXPORT_METHOD(setAdditionalData: (NSDictionary *)additionalData callback:(RCTResponseSenderBlock)callback) {