AI-Powered · Mac, iPhone & iPad

Your writing,
perfected instantly

TransAide helps you fix grammar, translate, draft replies, and learn from every correction—on your Mac, in the iOS app, or from the optional iPhone and iPad keyboard extension.

Download for iPhone & iPad Download for Mac See what it does

macOS 14.6+ & iOS 16+ · Bring your own compatible API key

Everything you need, one hotkey away

Six practical tools for writing, translation, vocabulary, and AI prompts.

Grammar Optimization

⌃⌘G

Copy text, hit the shortcut. AI fixes grammar, tense, punctuation, and style. Preview the result and copy it when ready.

Translation

⌃⌘T

Instant translation with auto language detection. Chinese to English, English to Chinese, or any language to English — displayed in a floating overlay.

Word Lookup

⌃⌘D

Rich dictionary with IPA phonetics, bilingual definitions, etymology, and example sentences. US & UK pronunciation. Save to your Word Book.

Email Reply

⌃⌘E

Draft professional email replies in seconds. Choose from 6 tones — Professional, Friendly, Formal, Casual, Thankful, or Apologetic.

Prompt Optimizer

⌃⌘P

Rewrite your prompts into more effective AI instructions. Get better results from any LLM with optimized prompt engineering.

Custom AI Actions

Define your own AI workflows with custom system prompts, model selection, temperature, and hotkeys. Limitless possibilities tailored to your work.

Three steps. Zero friction.

Copy your text, press a shortcut, and review the generated result.

1

Copy Text

Copy text from your browser, email client, code editor, or document.

2

Press the Shortcut

Hit the global hotkey for the feature you need. TransAide reads the clipboard and sends the text to your configured endpoint.

3

Get Results

Results appear in a floating overlay. Review the output and copy it when ready.

Built for iPhone & iPad

A complete iOS app—and an AI keyboard for text you already wrote.

Use the app when you want a focused workspace and deeper learning tools. Switch to the keyboard extension when you want to improve text inside Mail, Messages, Notes, or another app.

IOS APP

Write, reply, translate, and learn

Polish
Reply
Learn
Translate
Settings
  • Polish shows the improved text, individual changes, and reasons before you accept it.
  • Reply drafts professional responses for quick, polite, delay, ask, decline, follow-up, and thanks intents.
  • Translate handles Chinese and English text and highlights useful expressions from the result.
  • Learn turns accepted corrections into reviews, guided conversations, vocabulary practice, and progress insights.
Get TransAide for iOS

KEYBOARD EXTENSION

AI actions inside the app you use

CURRENT TEXT

Could you send me the updated report tomorrow?

Polish
Translate
Reply
  • Process the current text field or text you explicitly paste into the extension.
  • Preview Polish, Translate, or Reply results before replacing or inserting anything.
  • Save useful corrections and translation expressions for later learning in the app.
  • Continue longer text in TransAide with a handoff to the matching app workspace.

Designed as an AI utility panel: keep your preferred keyboard for normal typing, then switch to TransAide when you want an AI action. Full Access is required only so the extension can use the network and shared app settings.

About TransAide

Clear answers about the app, supported platforms, keyboard extension, and privacy.

What is TransAide?

TransAide is an AI writing assistant for Mac, iPhone, and iPad. It helps polish English grammar, translate Chinese and English, draft replies, look up words, and learn from corrections.

Does TransAide include an iOS keyboard?

Yes. The optional keyboard extension is an AI utility panel for text you already wrote. It can preview polish, translation, and reply results before replacing or inserting text.

How does TransAide handle my text?

TransAide uses the compatible endpoint and API key you configure. Requests go from your device to that provider over HTTPS; TransAide does not proxy or store your submitted text.

TransAide 是适用于 Mac、iPhone 和 iPad 的 AI 英语写作助手，支持英语语法润色、中英翻译、智能回复、单词查询和错题学习。

One simple way to connect.

Bring your own API key. TransAide does not sell a subscription.

Bring Your Own Key

$0

You pay your provider

  • ✓ Your own API key and provider account
  • ✓ Gemini 3.1 Flash Lite
  • ✓ Text goes straight to the provider

Your text is never stored.

With your own key, text goes directly to the provider you configure. TransAide does not proxy, log, or store the request.

  • We never log or store your text
  • API key stored in macOS Keychain (encrypted)
  • Your content lives locally and in your own iCloud
  • Optional, anonymous usage analytics — off with one tap in Settings
Read full Privacy Policy

Need help with TransAide?

Ask a question, report a problem, or share feature feedback. Include your device, OS version, TransAide version, and the steps that led to the issue so we can help quickly.

Email support@duetpagent.top Visit Support Center

We normally respond within two business days.