diff --git a/Sources/mas/Commands/Home.swift b/Sources/mas/Commands/Home.swift
index 6bdf00c6d..d53208f29 100644
--- a/Sources/mas/Commands/Home.swift
+++ b/Sources/mas/Commands/Home.swift
@@ -17,8 +17,8 @@ extension MAS {
 			abstract: "Open app's Mac App Store web page in the default web browser"
 		)
 
-		@Argument(help: "App ID")
-		var appID: AppID
+		@Argument(help: ArgumentHelp("App ID", valueName: "app-id"))
+		var appIDs: [AppID]
 
 		/// Runs the command.
 		func run() async throws {
@@ -26,13 +26,15 @@ extension MAS {
 		}
 
 		func run(searcher: AppStoreSearcher) async throws {
-			let result = try await searcher.lookup(appID: appID)
+			for appID in appIDs {
+				let result = try await searcher.lookup(appID: appID)
 
-			guard let url = URL(string: result.trackViewUrl) else {
-				throw MASError.runtimeError("Unable to construct URL from: \(result.trackViewUrl)")
-			}
+				guard let url = URL(string: result.trackViewUrl) else {
+					throw MASError.runtimeError("Unable to construct URL from: \(result.trackViewUrl)")
+				}
 
-			try await url.open()
+				try await url.open()
+			}
 		}
 	}
 }
diff --git a/Sources/mas/Commands/Info.swift b/Sources/mas/Commands/Info.swift
index e1d76bd3d..98aece231 100644
--- a/Sources/mas/Commands/Info.swift
+++ b/Sources/mas/Commands/Info.swift
@@ -16,8 +16,8 @@ extension MAS {
 			abstract: "Display app information from the Mac App Store"
 		)
 
-		@Argument(help: "App ID")
-		var appID: AppID
+		@Argument(help: ArgumentHelp("App ID", valueName: "app-id"))
+		var appIDs: [AppID]
 
 		/// Runs the command.
 		func run() async throws {
@@ -25,12 +25,16 @@ extension MAS {
 		}
 
 		func run(searcher: AppStoreSearcher) async throws {
-			do {
-				print(AppInfoFormatter.format(app: try await searcher.lookup(appID: appID)))
-			} catch let error as MASError {
-				throw error
-			} catch {
-				throw MASError.searchFailed
+			var separator = ""
+			for appID in appIDs {
+				do {
+					print("", AppInfoFormatter.format(app: try await searcher.lookup(appID: appID)), separator: separator)
+					separator = "\n"
+				} catch let error as MASError {
+					throw error
+				} catch {
+					throw MASError.searchFailed
+				}
 			}
 		}
 	}
diff --git a/Sources/mas/Commands/Lucky.swift b/Sources/mas/Commands/Lucky.swift
index 589f59348..13e2a4f16 100644
--- a/Sources/mas/Commands/Lucky.swift
+++ b/Sources/mas/Commands/Lucky.swift
@@ -25,7 +25,7 @@ extension MAS {
 		@Flag(help: "Force reinstall")
 		var force = false
 		@Argument(help: "Search term")
-		var searchTerm: String
+		var searchTerm: [String]
 
 		/// Runs the command.
 		func run() async throws {
@@ -33,26 +33,18 @@ extension MAS {
 		}
 
 		func run(installedApps: [InstalledApp], searcher: AppStoreSearcher) async throws {
-			var appID: AppID?
-
 			do {
-				let results = try await searcher.search(for: searchTerm)
+				let results = try await searcher.search(for: searchTerm.joined(separator: " "))
 				guard let result = results.first else {
 					throw MASError.noSearchResultsFound
 				}
 
-				appID = result.trackId
+				try await install(appID: result.trackId, installedApps: installedApps)
 			} catch let error as MASError {
 				throw error
 			} catch {
 				throw MASError.searchFailed
 			}
-
-			guard let appID else {
-				fatalError("app ID returned from Apple is null")
-			}
-
-			try await install(appID: appID, installedApps: installedApps)
 		}
 
 		/// Installs an app.
diff --git a/Sources/mas/Commands/Search.swift b/Sources/mas/Commands/Search.swift
index 49c049498..dcd3973a7 100644
--- a/Sources/mas/Commands/Search.swift
+++ b/Sources/mas/Commands/Search.swift
@@ -19,7 +19,7 @@ extension MAS {
 		@Flag(help: "Display the price of each app")
 		var price = false
 		@Argument(help: "Search term")
-		var searchTerm: String
+		var searchTerm: [String]
 
 		func run() async throws {
 			try await run(searcher: ITunesSearchAppStoreSearcher())
@@ -27,7 +27,7 @@ extension MAS {
 
 		func run(searcher: AppStoreSearcher) async throws {
 			do {
-				let results = try await searcher.search(for: searchTerm)
+				let results = try await searcher.search(for: searchTerm.joined(separator: " "))
 				if results.isEmpty {
 					throw MASError.noSearchResultsFound
 				}
diff --git a/Sources/mas/Commands/Uninstall.swift b/Sources/mas/Commands/Uninstall.swift
index cf5f17a8f..1b2e1b4a0 100644
--- a/Sources/mas/Commands/Uninstall.swift
+++ b/Sources/mas/Commands/Uninstall.swift
@@ -19,8 +19,8 @@ extension MAS {
 		/// Flag indicating that removal shouldn't be performed.
 		@Flag(help: "Perform dry run")
 		var dryRun = false
-		@Argument(help: "App ID")
-		var appID: AppID
+		@Argument(help: ArgumentHelp("App ID", valueName: "app-id"))
+		var appIDs: [AppID]
 
 		/// Runs the uninstall command.
 		func run() async throws {
@@ -43,9 +43,9 @@ extension MAS {
 				throw MASError.runtimeError("Failed to switch effective user from 'root' to '\(username)'")
 			}
 
-			let installedApps = installedApps.filter { $0.id == appID }
+			let installedApps = installedApps.filter { appIDs.contains($0.id) }
 			guard !installedApps.isEmpty else {
-				throw MASError.notInstalled(appID: appID)
+				throw MASError.notInstalled(appIDs: appIDs)
 			}
 
 			if dryRun {
diff --git a/Sources/mas/Commands/Vendor.swift b/Sources/mas/Commands/Vendor.swift
index af5944910..b26d65b6c 100644
--- a/Sources/mas/Commands/Vendor.swift
+++ b/Sources/mas/Commands/Vendor.swift
@@ -17,8 +17,8 @@ extension MAS {
 			abstract: "Open vendor's app web page in the default web browser"
 		)
 
-		@Argument(help: "App ID")
-		var appID: AppID
+		@Argument(help: ArgumentHelp("App ID", valueName: "app-id"))
+		var appIDs: [AppID]
 
 		/// Runs the command.
 		func run() async throws {
@@ -26,17 +26,19 @@ extension MAS {
 		}
 
 		func run(searcher: AppStoreSearcher) async throws {
-			let result = try await searcher.lookup(appID: appID)
+			for appID in appIDs {
+				let result = try await searcher.lookup(appID: appID)
 
-			guard let urlString = result.sellerUrl else {
-				throw MASError.noVendorWebsite
-			}
+				guard let urlString = result.sellerUrl else {
+					throw MASError.noVendorWebsite
+				}
 
-			guard let url = URL(string: urlString) else {
-				throw MASError.runtimeError("Unable to construct URL from: \(urlString)")
-			}
+				guard let url = URL(string: urlString) else {
+					throw MASError.runtimeError("Unable to construct URL from: \(urlString)")
+				}
 
-			try await url.open()
+				try await url.open()
+			}
 		}
 	}
 }
diff --git a/Sources/mas/Errors/MASError.swift b/Sources/mas/Errors/MASError.swift
index 74d7330ac..d3002e7f1 100644
--- a/Sources/mas/Errors/MASError.swift
+++ b/Sources/mas/Errors/MASError.swift
@@ -32,7 +32,7 @@ enum MASError: Error, Equatable {
 
 	case noVendorWebsite
 
-	case notInstalled(appID: AppID)
+	case notInstalled(appIDs: [AppID])
 	case uninstallFailed(error: NSError?)
 	case macOSUserMustBeRoot
 
@@ -92,8 +92,8 @@ extension MASError: CustomStringConvertible {
 			appID.unknownMessage
 		case .noVendorWebsite:
 			"App does not have a vendor website"
-		case .notInstalled(let appID):
-			"No apps installed with app ID \(appID)"
+		case .notInstalled(let appIDs):
+			"No apps installed with app ID \(appIDs.map { String($0) }.joined(separator: ", "))"
 		case .uninstallFailed(let error):
 			if let error {
 				"Uninstall failed: \(error.localizedDescription)"
diff --git a/Tests/masTests/Commands/UninstallSpec.swift b/Tests/masTests/Commands/UninstallSpec.swift
index 23cd4e790..c12d2c432 100644
--- a/Tests/masTests/Commands/UninstallSpec.swift
+++ b/Tests/masTests/Commands/UninstallSpec.swift
@@ -30,7 +30,7 @@ public final class UninstallSpec: QuickSpec {
 							try MAS.Uninstall.parse(["--dry-run", String(appID)]).run(installedApps: [])
 						)
 					)
-						== (MASError.notInstalled(appID: appID), "", "")
+						== (MASError.notInstalled(appIDs: [appID]), "", "")
 				}
 				it("finds an app") {
 					expect(
@@ -48,7 +48,7 @@ public final class UninstallSpec: QuickSpec {
 							try MAS.Uninstall.parse([String(appID)]).run(installedApps: [])
 						)
 					)
-						== (MASError.notInstalled(appID: appID), "", "")
+						== (MASError.notInstalled(appIDs: [appID]), "", "")
 				}
 				it("removes an app") {
 					expect(