diff --git a/appdb/Startup/AppDelegate.swift b/appdb/Startup/AppDelegate.swift
index 362f4ff9..ba698031 100644
--- a/appdb/Startup/AppDelegate.swift
+++ b/appdb/Startup/AppDelegate.swift
@@ -88,7 +88,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UITabBarControllerDelegat
 
     func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
         // Handle IPA
-        if url.isFileURL && IPAFileManager.shared.supportedFileExtensions.contains(url.pathExtension) {
+        if url.isFileURL && IPAFileManager.shared.supportedFileExtensions.contains(url.pathExtension.lowercased()) {
 
             if !FileManager.default.isReadableFile(atPath: url.path) {
                 // Handle 'Open in appdb' from share sheet
diff --git a/appdb/Tabs/Downloads/Library/IPAFileManager.swift b/appdb/Tabs/Downloads/Library/IPAFileManager.swift
index d1e700b1..ba50aa48 100644
--- a/appdb/Tabs/Downloads/Library/IPAFileManager.swift
+++ b/appdb/Tabs/Downloads/Library/IPAFileManager.swift
@@ -310,7 +310,7 @@ struct IPAFileManager {
     func moveEventualIPAFilesToDocumentsDirectory(from directory: URL) {
         guard FileManager.default.fileExists(atPath: directory.path) else { return }
         let inboxContents = try? FileManager.default.contentsOfDirectory(at: directory, includingPropertiesForKeys: nil)
-        let ipas = inboxContents?.filter { supportedFileExtensions.contains($0.pathExtension) }
+        let ipas = inboxContents?.filter { supportedFileExtensions.contains($0.pathExtension.lowercased()) }
         for ipa in ipas ?? [] {
             let url = directory.appendingPathComponent(ipa.lastPathComponent)
             moveToDocuments(url: url)
@@ -325,7 +325,7 @@ struct IPAFileManager {
         moveEventualIPAFilesToDocumentsDirectory(from: inboxDirectoryURL())
 
         let contents = try? FileManager.default.contentsOfDirectory(at: documentsDirectoryURL(), includingPropertiesForKeys: nil)
-        let ipas = contents?.filter { supportedFileExtensions.contains($0.pathExtension) }
+        let ipas = contents?.filter { supportedFileExtensions.contains($0.pathExtension.lowercased()) }
         for ipa in ipas ?? [] {
             let filename = ipa.lastPathComponent
             let size = getSize(from: filename)
diff --git a/appdb/Tabs/Featured/Wishes/Wishes.swift b/appdb/Tabs/Featured/Wishes/Wishes.swift
index f0e373c8..dce1c4b6 100644
--- a/appdb/Tabs/Featured/Wishes/Wishes.swift
+++ b/appdb/Tabs/Featured/Wishes/Wishes.swift
@@ -159,7 +159,10 @@ extension Wishes {
             if !text.hasPrefix("http://"), !text.hasPrefix("https://") {
                 text = "https://" + text
             }
-            guard let url = URL(string: text) else { return }
+            guard let url = URL(string: text) else {
+                Messages.shared.showError(message: "Error: malformed url".localized(), context: .viewController(self))
+                return
+            }
             API.createPublishRequest(appStoreUrl: url.absoluteString) { error in
                 if let error = error {
                     Messages.shared.showError(message: error.prettified, context: .viewController(self))