diff --git a/AltStore/Model/AltStore.xcdatamodeld/AltStore 2.xcdatamodel/contents b/AltStore/Model/AltStore.xcdatamodeld/AltStore 2.xcdatamodel/contents
index 1f95d2e6..20984afc 100644
--- a/AltStore/Model/AltStore.xcdatamodeld/AltStore 2.xcdatamodel/contents	
+++ b/AltStore/Model/AltStore.xcdatamodeld/AltStore 2.xcdatamodel/contents	
@@ -26,6 +26,7 @@
         <attribute name="resignedBundleIdentifier" attributeType="String" syncable="YES"/>
         <attribute name="version" attributeType="String" syncable="YES"/>
         <relationship name="storeApp" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="StoreApp" inverseName="installedApp" inverseEntity="StoreApp" syncable="YES"/>
+        <attribute name="installedDate" attributeType="Date" usesScalarValueType="NO"/>
         <relationship name="team" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Team" inverseName="installedApps" inverseEntity="Team"/>
         <uniquenessConstraints>
             <uniquenessConstraint>
diff --git a/AltStore/Model/DatabaseManager.swift b/AltStore/Model/DatabaseManager.swift
index 5dd9ecc7..5279da24 100644
--- a/AltStore/Model/DatabaseManager.swift
+++ b/AltStore/Model/DatabaseManager.swift
@@ -168,6 +168,7 @@ private extension DatabaseManager
             {
                 installedApp = InstalledApp(resignedApp: localApp, originalBundleIdentifier: StoreApp.altstoreAppID, context: context)
                 installedApp.storeApp = storeApp
+                installedApp.installedDate = Date()
             }
             
             let fileURL = installedApp.fileURL
diff --git a/AltStore/Model/InstalledApp.swift b/AltStore/Model/InstalledApp.swift
index 96e8caca..cd6bd1b8 100644
--- a/AltStore/Model/InstalledApp.swift
+++ b/AltStore/Model/InstalledApp.swift
@@ -22,6 +22,7 @@ class InstalledApp: NSManagedObject, Fetchable
     
     @NSManaged var refreshedDate: Date
     @NSManaged var expirationDate: Date
+    @NSManaged var installedDate: Date
     
     /* Relationships */
     @NSManaged var storeApp: StoreApp?
@@ -55,7 +56,9 @@ class InstalledApp: NSManagedObject, Fetchable
         {
             self.refreshedDate = Date()
             self.expirationDate = self.refreshedDate.addingTimeInterval(60 * 60 * 24 * 7) // Rough estimate until we get real values from provisioning profile.
-        }        
+        }
+        
+        self.installedDate = Date()
     }
 }
 
diff --git a/AltStore/Operations/InstallAppOperation.swift b/AltStore/Operations/InstallAppOperation.swift
index d653888c..a46db63d 100644
--- a/AltStore/Operations/InstallAppOperation.swift
+++ b/AltStore/Operations/InstallAppOperation.swift
@@ -56,6 +56,7 @@ class InstallAppOperation: ResultOperation<InstalledApp>
             else
             {
                 installedApp = InstalledApp(resignedApp: resignedApp, originalBundleIdentifier: self.context.bundleIdentifier, context: backgroundContext)
+                installedApp.installedDate = Date()
             }
             
             installedApp.version = resignedApp.version