Type-Cat

Fix grammar, rewrite tone, translate, and use Singlish anywhere you type. Bring your own OpenAI, Gemini, Claude, or Grok API key, securely stored in iOS Keychain.

Type-Cat brings AI-powered writing directly into your keyboard - no app switching, no copy-pasting.. Wherever you type on iPhone, Type-Cat is there. Select your text or start typing, and let AI fix your grammar, adjust your tone, or translate - all without leaving the app you're in.

FEATURES • Fix Grammar - Automatically detects and corrects grammar, spelling, punctuation, and verb agreement errors while preserving your original meaning. • Rewrite Tone - Instantly rewrite your text as Casual, Concise, Formal, Gen Z, Singlish. • Translate - Translate your text into English, Chinese, Malay, Indonesian, Japanese, Korean, Thai, Vietnamese, French, German, or Spanish. • Quick Fix Bar - Spelling corrections appear inline above the keyboard so you can apply them with a single tap.

BRING YOUR OWN KEY Type-Cat works with your own API key - you choose your AI provider: • OpenAI (GPT) • Google Gemini • xAI Grok • Anthropic Claude

Your API key is stored securely in the iOS Keychain and never shared with anyone. Text is sent directly from your device to your chosen provider - the developer never sees it.

PRIVACY FIRST • No account required • No data collection • No tracking or analytics • Spelling checks run entirely on-device

HOW TO GET STARTED

1. Install Type-Cat
2. Go to Settings → General → Keyboard → Keyboards → Add New Keyboard → Type-Cat
3. Tap Type-Cat and enable Allow Full Access
4. Open Type-Cat and add your API key
5. Start typing anywhere — tap the cat icon to open the assistant