diff --git a/Passepartout-iOS/Global/InApp.swift b/Passepartout-iOS/Global/InApp.swift
new file mode 100644
index 00000000..dddefa3c
--- /dev/null
+++ b/Passepartout-iOS/Global/InApp.swift
@@ -0,0 +1,42 @@
+//
+//  InApp.swift
+//  Passepartout-iOS
+//
+//  Created by Davide De Rosa on 4/6/19.
+//  Copyright (c) 2019 Davide De Rosa. All rights reserved.
+//
+//  https://github.com/passepartoutvpn
+//
+//  This file is part of Passepartout.
+//
+//  Passepartout is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Passepartout is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+import Foundation
+
+struct InApp {
+    struct Donations {
+        static let tiny = "com.algoritmico.ios.Passepartout.donations.Tiny"
+
+        static let small = "com.algoritmico.ios.Passepartout.donations.Small"
+
+        static let medium = "com.algoritmico.ios.Passepartout.donations.Medium"
+
+        static let big = "com.algoritmico.ios.Passepartout.donations.Big"
+
+        static let huge = "com.algoritmico.ios.Passepartout.donations.Huge"
+
+        static let maxi = "com.algoritmico.ios.Passepartout.donations.Maxi"
+    }
+}
diff --git a/Passepartout.xcodeproj/project.pbxproj b/Passepartout.xcodeproj/project.pbxproj
index d363ef8b..1df2119f 100644
--- a/Passepartout.xcodeproj/project.pbxproj
+++ b/Passepartout.xcodeproj/project.pbxproj
@@ -17,6 +17,7 @@
 		0E1D72B2213BFFCF00BA1586 /* ProviderPresetViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0E1D72B1213BFFCF00BA1586 /* ProviderPresetViewController.swift */; };
 		0E1D72B4213C118500BA1586 /* ConfigurationViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0E1D72B3213C118500BA1586 /* ConfigurationViewController.swift */; };
 		0E24273A225950450064A1A3 /* About.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 0E24273C225950450064A1A3 /* About.storyboard */; };
+		0E242740225951B00064A1A3 /* InApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0E24273F225951B00064A1A3 /* InApp.swift */; };
 		0E2B494020FCFF990094784C /* Theme+Titles.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0E2B493F20FCFF990094784C /* Theme+Titles.swift */; };
 		0E3152A4223F9EF500F61841 /* Passepartout_Core.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0E31529B223F9EF400F61841 /* Passepartout_Core.framework */; };
 		0E3152AD223F9EF500F61841 /* Passepartout_Core.h in Headers */ = {isa = PBXBuildFile; fileRef = 0E31529D223F9EF500F61841 /* Passepartout_Core.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -177,6 +178,7 @@
 		0E1D72B3213C118500BA1586 /* ConfigurationViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConfigurationViewController.swift; sourceTree = "<group>"; };
 		0E242735225944060064A1A3 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/Intents.strings; sourceTree = "<group>"; };
 		0E24273B225950450064A1A3 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/About.storyboard; sourceTree = "<group>"; };
+		0E24273F225951B00064A1A3 /* InApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InApp.swift; sourceTree = "<group>"; };
 		0E2B493F20FCFF990094784C /* Theme+Titles.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Theme+Titles.swift"; sourceTree = "<group>"; };
 		0E2B494120FD16540094784C /* TransientStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TransientStore.swift; sourceTree = "<group>"; };
 		0E2D11B9217DBEDE0096822C /* ConnectionService+Configurations.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ConnectionService+Configurations.swift"; sourceTree = "<group>"; };
@@ -540,6 +542,7 @@
 			isa = PBXGroup;
 			children = (
 				0EF5CF242141CE58004FF1BD /* HUD.swift */,
+				0E24273F225951B00064A1A3 /* InApp.swift */,
 				0EFD943D215BE10800529B64 /* IssueReporter.swift */,
 				0E4FD7F020D58618002221FF /* Macros.swift */,
 				0ED38AE9214054A50004D387 /* OptionViewController.swift */,
@@ -1054,6 +1057,7 @@
 				0ECC60DE2256B68A0020BEAC /* SwiftGen+Assets.swift in Sources */,
 				0ED38AEC2141260D0004D387 /* ConfigurationModificationDelegate.swift in Sources */,
 				0ECEE45020E1182E00A6BB43 /* Theme+Cells.swift in Sources */,
+				0E242740225951B00064A1A3 /* InApp.swift in Sources */,
 				0E1066C920E0F84A004F98B7 /* Cells.swift in Sources */,
 				0EF56BBB2185AC8500B0C8AB /* SwiftGen+Segues.swift in Sources */,
 				0E3DA371215CB5BF00B40FC9 /* VersionViewController.swift in Sources */,