diff --git a/VoidLink/AppDelegate.m b/VoidLink/AppDelegate.m
index 6339fd32..9f2bda4f 100644
--- a/VoidLink/AppDelegate.m
+++ b/VoidLink/AppDelegate.m
@@ -61,6 +61,7 @@ static NSString* DB_NAME = @"Limelight_iOS.sqlite";
     // Override point for command tool customization after application launch (works only when user default is nil)
     [CommandManager presetDefaultCommands];
     [GenericUtils installSegmentedControlPreviousSelectionTracking];
+    [IAPManager shared];
     
     // For iOS 12 and below, we need to manually create the window
     if (@available(iOS 13.0, *)) {
diff --git a/VoidLink/Input/PencilHandler.swift b/VoidLink/Input/PencilHandler.swift
index d907bb6a..cd198fff 100644
--- a/VoidLink/Input/PencilHandler.swift
+++ b/VoidLink/Input/PencilHandler.swift
@@ -260,17 +260,18 @@ import UIKit
 
             
             let strokePhase = getStrokePhase(sampleIndex: self.strokeSampleIndex)
+            let forceMapping = pressureCurveEnabled ? self.strokeLUT.value(at: force) : force
             switch strokePhase {
             case .phase1:
-                targetForce = pencilTickEnabled ? 0 : self.strokeLUT.value(at: force)
+                targetForce = pencilTickEnabled ? 0 : forceMapping
             case .phase2:
-                targetForce = self.strokeLUT.value(at: force)
+                targetForce = forceMapping
                 targetForce = max(targetForce,previousTargetForce)
                 equalizedForce = targetForce*(phase2EqualizationStrength - equalizationStep*Float(strokeSampleIndex-phase1StrokeSampleIndexEnd-1))
             case .phase3:
-                targetForce = self.strokeLUT.value(at: force)
+                targetForce = forceMapping
             }
-            targetForce = self.pressureCurveEnabled ? targetForce : force
+            targetForce = pencilTickEnabled ? targetForce : force
             
             previousForce = force
             previousTargetForce = targetForce
diff --git a/VoidLink/Localization/Localizable.xcstrings b/VoidLink/Localization/Localizable.xcstrings
index 902512e7..3512d9fb 100644
--- a/VoidLink/Localization/Localizable.xcstrings
+++ b/VoidLink/Localization/Localizable.xcstrings
@@ -513,6 +513,29 @@
         }
       }
     },
+    "[%@] has been restored" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "【%@】已恢复"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "「%@」已恢復"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "「%@」已恢復"
+          }
+        }
+      }
+    },
     "%@ is currently running" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -715,7 +738,7 @@
         },
         "zh-HK" : {
           "stringUnit" : {
-            "state" : "needs_review",
+            "state" : "translated",
             "value" : "方向鍵"
           }
         }
@@ -6629,6 +6652,29 @@
         }
       }
     },
+    "Drawing Toolkit already purchased" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "您已拥有【绘画进阶套件】"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "您已擁有「繪畫進階套件」"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "您已擁有「繪畫進階套件」"
+          }
+        }
+      }
+    },
     "Drift Correction" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -6721,7 +6767,7 @@
         },
         "zh-HK" : {
           "stringUnit" : {
-            "state" : "translated",
+            "state" : "needs_review",
             "value" : "一塊啥都不幹的擋板區域"
           }
         }
@@ -9085,29 +9131,6 @@
         }
       }
     },
-    "I'm an artist" : {
-      "extractionState" : "manual",
-      "localizations" : {
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "我是画手"
-          }
-        },
-        "zh-Hant" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "我是畫手"
-          }
-        },
-        "zh-HK" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "我是畫手"
-          }
-        }
-      }
-    },
     "Import" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -9154,6 +9177,52 @@
         }
       }
     },
+    "In-app-purchase not available" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "无法使用 App 内购买"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "無法使用 App 內購買"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "無法使用 App 內購買"
+          }
+        }
+      }
+    },
+    "In-app-purchase not available on this device." : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此设备无法使用该 App 内购买项目。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此裝置無法使用該 App 內購買項目。"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "此裝置無法使用該 App 內購買項目。"
+          }
+        }
+      }
+    },
     "Indicator offset: %.0f" : {
       "extractionState" : "manual",
       "localizations" : {
@@ -10971,19 +11040,19 @@
         "zh-Hans" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "购买 [%@] 可解锁：\n- 专业级压力曲线工具。\n- 在远程绘图流程中提升笔触传输效率与响应表现，并支持用户自定义的双击及捏合键盘/鼠标快捷键。\n- 专属绘图相关的屏显按钮。\n以及更多功能..."
+            "value" : "购买 [%@] 可解锁：\n- 专业级笔压曲线工具。\n- 远程绘画笔迹传输、笔触响应性能优化。\n- 支持用户自定义的双击及捏合键盘/鼠标快捷键。\n- 专属绘图相关的屏显按钮。\n以及更多...\n未购买该套件不影响基础绘画功能。"
           }
         },
         "zh-Hant" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "解鎖 [%@] ：\n- 專業級壓力曲線工具。\n- 在遠端繪圖流程中提升筆觸傳輸效率與響應表現，並支援使用者自訂的雙擊及捏合鍵盤/滑鼠快捷鍵。\n- 專屬繪圖相關的螢幕顯示按鈕。\n- 以及更多功能..."
+            "value" : "解鎖 [%@] ：\n- 專業級筆壓曲線工具。\n- 最佳化遠端繪畫的筆跡傳輸與筆觸響應效能。\n- 並支援使用者自訂的雙擊及捏合鍵盤/滑鼠快捷鍵。\n- 專屬繪圖相關的螢幕顯示按鈕。\n以及更多...\n未購買此套件不影響基礎繪畫功能。"
           }
         },
         "zh-HK" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "解鎖 [%@] ：\n- 專業級壓力曲線工具。\n- 在遠端繪圖流程中提升筆觸傳輸效率與響應表現，並支援使用者自訂的雙擊及捏合鍵盤/滑鼠快捷鍵。\n- 專屬繪圖相關的螢幕顯示按鈕。\n- 以及更多功能...\n基礎繪畫功能無需購買 [%@] 即可使用。"
+            "value" : "解鎖 [%@] ：\n- 專業級筆壓曲線工具。\n- 最佳化遠端繪畫的筆跡傳輸與筆觸響應效能。\n- 並支援使用者自訂的雙擊及捏合鍵盤/滑鼠快捷鍵。\n- 專屬繪圖相關的螢幕顯示按鈕。\n以及更多...\n未購買此套件不影響基礎繪畫功能。"
           }
         }
       }
@@ -16353,6 +16422,29 @@
         }
       }
     },
+    "Unable to detect purchased product: %@" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "未检测到已购产品【%@】"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "未偵測到已購產品「%@」"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "未偵測到已購產品「%@」"
+          }
+        }
+      }
+    },
     "Undo" : {
       "extractionState" : "manual",
       "localizations" : {
diff --git a/VoidLink/Utility/GenericUtils.swift b/VoidLink/Utility/GenericUtils.swift
index 0e1ba9a9..5993297f 100644
--- a/VoidLink/Utility/GenericUtils.swift
+++ b/VoidLink/Utility/GenericUtils.swift
@@ -702,6 +702,44 @@ import UIKit
         }
         return nil
     }
+
+    @objc static func rootViewController() -> UIViewController? {
+        if #available(iOS 13.0, *) {
+            return UIApplication.shared.connectedScenes
+                .compactMap { $0 as? UIWindowScene }
+                .first { $0.activationState == .foregroundActive }?
+                .windows
+                .first { $0.isKeyWindow }?
+                .rootViewController
+        } else {
+            return UIApplication.shared.keyWindow?.rootViewController
+        }
+    }
+
+    @objc static func topViewController() -> UIViewController? {
+        return topViewController(from: rootViewController())
+    }
+
+    private static func topViewController(from rootViewController: UIViewController?) -> UIViewController? {
+        if let navigationController = rootViewController as? UINavigationController {
+            return topViewController(from: navigationController.visibleViewController)
+        }
+
+        if let tabBarController = rootViewController as? UITabBarController {
+            return topViewController(from: tabBarController.selectedViewController)
+        }
+
+        if let splitViewController = rootViewController as? UISplitViewController,
+           let lastViewController = splitViewController.viewControllers.last {
+            return topViewController(from: lastViewController)
+        }
+
+        if let presentedViewController = rootViewController?.presentedViewController {
+            return topViewController(from: presentedViewController)
+        }
+
+        return rootViewController
+    }
 }
 
 extension UIView {
diff --git a/VoidLink/Utility/IAPManager.swift b/VoidLink/Utility/IAPManager.swift
index 16e2a00e..f17d0d72 100644
--- a/VoidLink/Utility/IAPManager.swift
+++ b/VoidLink/Utility/IAPManager.swift
@@ -8,6 +8,7 @@
 
 import Foundation
 import StoreKit
+import UIKit
 
 @objc public enum PurchaseStatus: Int {
     case notPurchased
@@ -135,6 +136,11 @@ import StoreKit
                 await listenForTransactions()
             }
         }
+        if #available(iOS 16.4, *) {
+            Task {
+                await listenForPurchaseIntents()
+            }
+        }
     }
 
     // MARK: - Fetch Products (StoreKit 2)
@@ -199,6 +205,18 @@ import StoreKit
 
     @available(iOS 15.0, *, *)
     private func purchaseStoreKit2(_ product: AddOnProduct) async {
+        guard IAPManager.canPurchase(product) else {
+            AlertControllerUtil.showAlert(
+                in: GenericUtils.topViewController(),
+                title: "In-app-purchase not available".localized,
+                message: "In-app-purchase not available on this device.".localized,
+                withCancel: false,
+                buttonTitle: "OK".localized,
+                countdown: 6
+                )
+            return
+        }
+
         let pid = product.productId()
         do {
             let products = try await Product.products(for: [pid])
@@ -211,30 +229,7 @@ import StoreKit
             }
 
             let result = try await sk2p.purchase()
-            
-            switch result {
-            case .success(let verification):
-                switch verification {
-                case .verified(let transaction):
-                    await MainActor.run {
-                        self.delegate?.iapManagerDidPurchase(product)
-                    }
-                    await transaction.finish()
-                    IAPManager.handlePurchaseSuccess(product)
-                    NotificationCenter.default.post(name: product.purchaseSucceededNotification(), object: nil)
-                case .unverified(_, let err):
-                    NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
-                    await MainActor.run {
-                        self.delegate?.iapManagerDidFailWithError(err)
-                    }
-                }
-            case .userCancelled:
-                NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
-                break
-            default:
-                NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
-                break
-            }
+            await handleStoreKit2PurchaseResult(result, product: product)
         } catch {
             await MainActor.run {
                 NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
@@ -243,12 +238,47 @@ import StoreKit
         }
     }
 
+    private static func canPurchase(_ product: AddOnProduct) -> Bool {
+        switch product {
+        case .PencilProPack:
+            return GenericUtils.isIPad()
+        default:
+            return true
+        }
+    }
+
+    @available(iOS 15.0, *)
+    private func handleStoreKit2PurchaseResult(_ result: Product.PurchaseResult,
+                                               product: AddOnProduct) async {
+        switch result {
+        case .success(let verification):
+            switch verification {
+            case .verified(let transaction):
+                await MainActor.run {
+                    self.delegate?.iapManagerDidPurchase(product)
+                }
+                await transaction.finish()
+                IAPManager.handlePurchaseSuccess(product)
+            case .unverified(_, let err):
+                NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
+                await MainActor.run {
+                    self.delegate?.iapManagerDidFailWithError(err)
+                }
+            }
+        case .userCancelled:
+            NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
+        default:
+            NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
+        }
+    }
+
     @objc static func handlePurchaseSuccess(_ product: AddOnProduct) {
         switch product {
         case .PencilProPack:
             let dataMan = DataManager()
             let settings = dataMan.retrieveSettings()
             settings?.onscreenControls = 1
+            settings?.pencilTickMode = NSNumber(value: PencilTickMode.ManualTick.rawValue)
             dataMan.saveData()
             let profileMan = OSCProfilesManager.sharedManager(.zero)
             var toolkitProfileIndex = profileMan.getIndex(byName: "Pencil Pro")
@@ -258,6 +288,7 @@ import StoreKit
         default:
             break
         }
+        NotificationCenter.default.post(name: product.purchaseSucceededNotification(), object: nil)
     }
     
     private func purchaseLegacy(_ product: AddOnProduct) {
@@ -318,6 +349,28 @@ import StoreKit
             }
         }
     }
+
+    @available(iOS 16.4, *)
+    private func listenForPurchaseIntents() async {
+        for await intent in PurchaseIntent.intents {
+            guard let product = AddOnProduct.from(productId: intent.product.id) else {
+                continue
+            }
+            guard IAPManager.canPurchase(product) else {
+                continue
+            }
+
+            do {
+                let result = try await intent.product.purchase()
+                await handleStoreKit2PurchaseResult(result, product: product)
+            } catch {
+                await MainActor.run {
+                    NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.unlockNow, userInfo:["interruption": PurchaseInterruption.unlockNow.rawValue])
+                    self.delegate?.iapManagerDidFailWithError(error)
+                }
+            }
+        }
+    }
     
     // MARK: Utils
     @objc static public func checkPurchaseInfo(
@@ -382,8 +435,30 @@ import StoreKit
                     do {
                         if #available(iOS 15.0, *) {
                             try await AppStore.sync()
-                        } else {
-                            // Fallback on earlier versions
+                            IAPManager.checkPurchaseInfo(product) { info in
+                                if info.valid {
+                                    IAPManager.handlePurchaseSuccess(product)
+                                    AlertControllerUtil.showAlert(
+                                        in: viewController,
+                                        title: "",
+                                        message: LocalizationHelper.localizedString(forKey:"[%@] has been restored", product.productName()),
+                                        withCancel: false,
+                                        buttonTitle: "OK".localized,
+                                        countdown: 0
+                                        )
+                                }
+                                else {
+                                    NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.restore, userInfo:["interruption": PurchaseInterruption.restore.rawValue])
+                                    AlertControllerUtil.showAlert(
+                                        in: viewController,
+                                        title: "",
+                                        message: LocalizationHelper.localizedString(forKey:"Unable to detect purchased product: %@", product.productName()),
+                                        withCancel: false,
+                                        buttonTitle: "OK".localized,
+                                        countdown: 0
+                                        )
+                                }
+                            }
                         }
                     } catch {
                         NotificationCenter.default.post(name: product.purchaseAbortedNotification(), object: PurchaseInterruption.restore, userInfo:["interruption": PurchaseInterruption.restore.rawValue])
diff --git a/VoidLink/ViewControllers/SettingsViewController.m b/VoidLink/ViewControllers/SettingsViewController.m
index 62c11419..3bcdcd47 100644
--- a/VoidLink/ViewControllers/SettingsViewController.m
+++ b/VoidLink/ViewControllers/SettingsViewController.m
@@ -3849,6 +3849,7 @@ BOOL isCustomResolution(int resolutionSelected) {
 
 - (void)pencilProPurchaseSucceeded:(NSNotification *)notification{
     self.onScreenWidgetSelector.selectedSegmentIndex = OnScreenControlsLevelCustom;
+    self.pencilTickSelector.selectedSegmentIndex = ManualTick;
 }
 
 - (void)pencilTickIntervalSliderMoved:(UISlider* )sender{