Catch: AI Writing Keyboard

Smart Reply & Polish Keyboard

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

NEW: Smart Reply — copy any message, get 3 instant AI replies: accept, decline, or buy time. Plus: polish any draft in one tap. 50 free uses/day. No account needed. AI Writing & Smart Reply Keyboard. Your words shape how people see you at work — make every message count. Catch is a keyboard that polishes your drafts and generates smart replies — instantly. No more overthinking that email to your boss, second-guessing a client reply, or staring at a message not knowing what to say. POLISH MESSAGES INSTANTLY Catch works right inside your iOS keyboard. Tap the mode button and your rough draft becomes workplace-ready. Works in iMessage, Slack, Email, WhatsApp — anywhere you type. ONE KEYBOARD, THREE TONES • Concise — Straight to the point. Ideal for busy Slack threads. • Professional — Clear and confident. Your everyday voice at work. • Formal — Precise and polished. For executives, clients, and high-stakes emails. "sorry cant make it tmrw" becomes a thoughtful, professional response — tailored to your audience. SMART REPLY — THREE RESPONSES, ONE TAP Copy any message you received, tap the reply button on the keyboard, and get three AI-generated replies instantly: • Accept — Say yes gracefully • Decline — Turn it down with tact • Buy Time — Acknowledge without committing Works with meeting invites, tricky requests, and awkward messages — in any language. READY IN 60 SECONDS Open Settings → Add Catch Keyboard → Allow Full Access. Three steps and you're set. MULTILINGUAL Communicate confidently across languages — English, 繁體中文, 简体中文, and 日本語. Catch adapts your tone naturally, no matter which language you write in. FREE TO START 50 free polishes and smart replies per day. No sign-up required. CATCH PRO (Auto-Renewable Subscription) Unlimited polishes and smart replies, all three tones, longer messages, and no delay between sends. Available as a monthly or annual subscription. Payment will be charged to your Apple ID account. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Cancel anytime. AI Writing & Smart Reply Keyboard. Catch makes sure yours are always on point. Terms of Use: https://tonestudio.dev/en/terms Privacy Policy: https://tonestudio.dev/en/privacy

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

- NEW: Smart Reply — copy any message, get 3 AI-generated replies (Accept, Decline, or Buy Time) instantly - NEW: Tap any mode button to polish instantly — simpler, faster workflow - Redesigned keyboard bar with equal-width mode buttons - Bug fixes and performance improvements

Version 1.6.5

The developer, HSUANCHI KUO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • HSUANCHI KUO
    Size
    • 23.1 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    Languages
    Japanese and 2 more
    • Japanese, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    • 4+
    • This app has an age rating of 4+ with content restrictions. Some content may be rated higher, but access is managed by the developer through in-app controls.
    • Learn More
    • In-App Controls
      Age Assurance
      Parental Controls
    In-App Purchases
    Yes
    Copyright
    • © 2026 HSUANCHI KUO
  • Developer Website
  • Privacy Policy