supertonic 3

ios/ExampleiOSApp/ContentView.swift

@@ -12,7 +12,7 @@ struct ContentView: View {
                 Spacer()
 
                 VStack(spacing: 12) {
-                    Text("Supertonic 2 iOS Demo")
+                    Text("Supertonic 3 iOS Demo")
                         .font(.title2.weight(.semibold))
                         .foregroundColor(.primary)
 

ios/ExampleiOSApp/TTSService.swift

@@ -6,17 +6,69 @@ final class TTSService {
     enum Language: String, CaseIterable {
         case en = "en"
         case ko = "ko"
+        case ja = "ja"
+        case ar = "ar"
+        case bg = "bg"
+        case cs = "cs"
+        case da = "da"
+        case de = "de"
+        case el = "el"
         case es = "es"
-        case pt = "pt"
+        case et = "et"
+        case fi = "fi"
         case fr = "fr"
+        case hi = "hi"
+        case hr = "hr"
+        case hu = "hu"
+        case id = "id"
+        case it = "it"
+        case lt = "lt"
+        case lv = "lv"
+        case nl = "nl"
+        case pl = "pl"
+        case pt = "pt"
+        case ro = "ro"
+        case ru = "ru"
+        case sk = "sk"
+        case sl = "sl"
+        case sv = "sv"
+        case tr = "tr"
+        case uk = "uk"
+        case vi = "vi"
         
         var displayName: String {
             switch self {
             case .en: return "English"
             case .ko: return "한국어"
+            case .ja: return "日本語"
+            case .ar: return "العربية"
+            case .bg: return "Bulgarian"
+            case .cs: return "Czech"
+            case .da: return "Danish"
+            case .de: return "Deutsch"
+            case .el: return "Greek"
             case .es: return "Español"
-            case .pt: return "Português"
+            case .et: return "Estonian"
+            case .fi: return "Finnish"
             case .fr: return "Français"
+            case .hi: return "Hindi"
+            case .hr: return "Croatian"
+            case .hu: return "Hungarian"
+            case .id: return "Indonesian"
+            case .it: return "Italian"
+            case .lt: return "Lithuanian"
+            case .lv: return "Latvian"
+            case .nl: return "Dutch"
+            case .pl: return "Polish"
+            case .pt: return "Português"
+            case .ro: return "Romanian"
+            case .ru: return "Russian"
+            case .sk: return "Slovak"
+            case .sl: return "Slovenian"
+            case .sv: return "Swedish"
+            case .tr: return "Turkish"
+            case .uk: return "Ukrainian"
+            case .vi: return "Vietnamese"
             }
         }
     }

ios/ExampleiOSApp/TTSViewModel.swift

@@ -4,7 +4,7 @@ import AVFoundation
 @MainActor
 final class TTSViewModel: ObservableObject {
     @Published var text: String = "This morning, I took a walk in the park, and the sound of the birds and the breeze was so pleasant that I stopped for a long time just to listen."
-    @Published var nfe: Double = 5
+    @Published var nfe: Double = 8
     @Published var voice: TTSService.Voice = .male
     @Published var language: TTSService.Language = .en
     @Published var isGenerating: Bool = false

ios/README.md

@@ -1,10 +1,10 @@
 # Supertonic iOS Example App
 
-A minimal iOS demo that runs Supertonic 2 (ONNX Runtime) on-device. The app shows:
+A minimal iOS demo that runs Supertonic 3 (ONNX Runtime) on-device. The app shows:
 - Multiline text input
 - NFE (denoising steps) slider
 - Voice toggle (M/F)
-- Language selector (en, ko, es, pt, fr)
+- Language selector for 31 supported languages
 - Generate & Play buttons
 - RTF display (Elapsed / Audio seconds)
 
@@ -12,7 +12,7 @@ All ONNX models/configs are reused from `Supertonic/assets/onnx`, and voice styl
 
 ## 📰 Update News
 
-**2026.01.06** - 🎉 **Supertonic 2** released with multilingual support! Now supports English (`en`), Korean (`ko`), Spanish (`es`), Portuguese (`pt`), and French (`fr`). [Demo](https://huggingface.co/spaces/Supertone/supertonic-2) | [Models](https://huggingface.co/Supertone/supertonic-2)
+**2026.04.29** - 🎉 **Supertonic 3** released with 31-language support, improved reading accuracy, and v2-compatible public ONNX assets. [Demo](https://huggingface.co/spaces/Supertone/supertonic-3) | [Models](https://huggingface.co/Supertone/supertonic-3)
 
 **2025.12.10** - Added [6 new voice styles](https://huggingface.co/Supertone/supertonic/tree/b10dbaf18b316159be75b34d24f740008fddd381) (M3, M4, M5, F3, F4, F5). See [Voices](https://supertone-inc.github.io/supertonic-py/voices/) for details
 
@@ -61,18 +61,13 @@ These references are defined in `project.yml` and added to the app bundle by Xco
 
 ## App Controls
 - **Text**: Multiline `TextEditor`
-- **NFE**: Denoising steps (default 5)
+- **NFE**: Denoising steps (default 8)
 - **Voice**: M/F voice style selector
-- **Language**: Language selector (English, 한국어, Español, Português, Français)
+- **Language**: Language selector for 31 supported languages
 - **Generate**: Runs end-to-end synthesis
 - **Play/Stop**: Controls playback of the last output
 - **RTF**: Shows Elapsed / Audio seconds for quick performance intuition
 
 ## Multilingual Support
 
-Supertonic 2 supports multiple languages. Select the appropriate language for your input text:
-- **English (en)**: Default language
-- **한국어 (ko)**: Korean
-- **Español (es)**: Spanish
-- **Português (pt)**: Portuguese
-- **Français (fr)**: French
+Supertonic 3 supports 31 languages. Select the appropriate language for your input text; see the main README for the full code list.