diff --git a/gogio/help.go b/gogio/help.go
index c6cd7f2..977bb99 100644
--- a/gogio/help.go
+++ b/gogio/help.go
@@ -65,7 +65,8 @@ its deletion.
 The -x flag will print all the external commands executed by the gogio tool.
 
 The -signkey flag specifies the path of the keystore, used for signing Android apk/aab files
-or specifies the name of key on Keychain to sign MacOS app.
+or specifies the name of key on Keychain to sign MacOS app. On iOS/macOS it can be used to
+specify the path of provisioning profile (.mobileprovision/.provisionprofile).
 
 The -signpass flag specifies the password of the keystore, ignored if -signkey is not provided.
 
diff --git a/gogio/iosbuild.go b/gogio/iosbuild.go
index b6885ba..b13f9c6 100644
--- a/gogio/iosbuild.go
+++ b/gogio/iosbuild.go
@@ -77,7 +77,8 @@ func buildIOS(tmpDir, target string, bi *buildInfo) error {
 		if err := exeIOS(tmpDir, target, appDir, bi); err != nil {
 			return err
 		}
-		if err := signIOS(bi, tmpDir, appDir); err != nil {
+		embedded := filepath.Join(appDir, "embedded.mobileprovision")
+		if err := signApple(bi, tmpDir, embedded, appDir); err != nil {
 			return err
 		}
 		return zipDir(out, tmpDir, "Payload")
@@ -86,16 +87,27 @@ func buildIOS(tmpDir, target string, bi *buildInfo) error {
 	}
 }
 
-func signIOS(bi *buildInfo, tmpDir, app string) error {
+// signApple is shared between iOS and macOS.
+func signApple(bi *buildInfo, tmpDir, embedded, app string) error {
 	home, err := os.UserHomeDir()
 	if err != nil {
 		return err
 	}
-	provPattern := filepath.Join(home, "Library", "MobileDevice", "Provisioning Profiles", "*.mobileprovision")
-	provisions, err := filepath.Glob(provPattern)
-	if err != nil {
-		return err
+
+	var provisions []string
+	if bi.key != "" {
+		if filepath.Ext(bi.key) != ".mobileprovision" && filepath.Ext(bi.key) != ".provisionprofile" {
+			return fmt.Errorf("sign: on iOS/macOS -key is a provisioning profile, %q does not end in .mobileprovision/.provisionprofile", bi.key)
+		}
+		provisions = []string{bi.key}
+	} else {
+		provPattern := filepath.Join(home, "Library", "MobileDevice", "Provisioning Profiles", "*.mobileprovision")
+		provisions, err = filepath.Glob(provPattern)
+		if err != nil {
+			return err
+		}
 	}
+
 	provInfo := filepath.Join(tmpDir, "provision.plist")
 	var avail []string
 	for _, prov := range provisions {
@@ -119,7 +131,14 @@ func signIOS(bi *buildInfo, tmpDir, app string) error {
 		if err != nil {
 			return err
 		}
-		provAppID, err := runCmd(exec.Command("/usr/libexec/PlistBuddy", "-c", "Print:Entitlements:application-identifier", provInfo))
+
+		// iOS/macOS Catalyst
+		provAppIDSearchKey := "Print:Entitlements:application-identifier"
+		if filepath.Ext(prov) == ".provisionprofile" {
+			// macOS
+			provAppIDSearchKey = "Print:Entitlements:com.apple.application-identifier"
+		}
+		provAppID, err := runCmd(exec.Command("/usr/libexec/PlistBuddy", "-c", provAppIDSearchKey, provInfo))
 		if err != nil {
 			return err
 		}
@@ -129,7 +148,6 @@ func signIOS(bi *buildInfo, tmpDir, app string) error {
 			continue
 		}
 		// Copy provisioning file.
-		embedded := filepath.Join(app, "embedded.mobileprovision")
 		if err := copyFile(embedded, prov); err != nil {
 			return err
 		}
@@ -149,7 +167,15 @@ func signIOS(bi *buildInfo, tmpDir, app string) error {
 		}
 		identity := sha1.Sum(certDER)
 		idHex := hex.EncodeToString(identity[:])
-		_, err = runCmd(exec.Command("codesign", "-s", idHex, "-v", "--entitlements", entFile, app))
+		_, err = runCmd(exec.Command(
+			"codesign",
+			"--sign", idHex,
+			"--deep",
+			"--force",
+			"--options", "runtime",
+			"--entitlements",
+			entFile,
+			app))
 		return err
 	}
 	return fmt.Errorf("sign: no valid provisioning profile found for bundle id %q among %v", bi.appID, avail)
diff --git a/gogio/macosbuild.go b/gogio/macosbuild.go
index 3182059..6a9d124 100644
--- a/gogio/macosbuild.go
+++ b/gogio/macosbuild.go
@@ -151,7 +151,7 @@ func (b *macBuilder) setInfo(buildInfo *buildInfo, name string) error {
 	<key>NSHighResolutionCapable</key>
 	<true/>
 	<key>CFBundlePackageType</key>
-	<string>APPL</string>
+	<string>BNDL</string>
     {{if .Schemes}}
 	<key>CFBundleURLTypes</key>
 	<array>
@@ -237,6 +237,12 @@ func (b *macBuilder) signProgram(buildInfo *buildInfo, binDest string, name stri
 		return err
 	}
 
+	// If the key is a provisioning profile use the same signing process as iOS
+	if strings.HasSuffix(buildInfo.key, ".provisionprofile") {
+		embedded := filepath.Join(binDest, "Contents", "embedded.provisionprofile")
+		return signApple(buildInfo, b.TempDir, embedded, binDest)
+	}
+
 	cmd := exec.Command(
 		"codesign",
 		"--deep",
diff --git a/gogio/main.go b/gogio/main.go
index 3c642e8..e17bc6d 100644
--- a/gogio/main.go
+++ b/gogio/main.go
@@ -36,7 +36,7 @@ var (
 	extraLdflags  = flag.String("ldflags", "", "extra flags to the Go linker")
 	extraTags     = flag.String("tags", "", "extra tags to the Go tool")
 	iconPath      = flag.String("icon", "", "specify an icon for iOS and Android")
-	signKey       = flag.String("signkey", "", "specify the path of the keystore to be used to sign Android apk files.")
+	signKey       = flag.String("signkey", "", "specify the path of the keystore to be used to sign Android apk files and macOS app. It can be used for iOS and macOS to specify Provisioning Profiles.")
 	signPass      = flag.String("signpass", "", "specify the password to decrypt the signkey.")
 	schemes       = flag.String("schemes", "", "specify a list of comma separated deep-linking schemes that the program accepts")
 	notaryID      = flag.String("notaryid", "", "specify the apple id to use for notarization.")