ReplyBox – Your Smart Email Companion.
- Say goodbye to typing stress.
- ReplyBox makes replying, composing, and managing emails effortless.
- With intelligent AI and voice control.

Experience the full power
ReplyBox is the #1 AI-powered email assistant that works directly inside Gmail and Outlook Web. Summarize emails, generate professional replies, and compose new messages using your voice – all with one click.
ReplyBox transforms your inbox into a productivity powerhouse. Whether you’re handling client queries or team emails, our AI assistant helps you reply faster, better, and smarter.
Voice-to-Text Email Composer
Speak naturally – let ReplyBox instantly convert your speech into a ready-to-send email. Ideal for multitaskers and mobile warriors.
One-Click Reply Generator
Choose a tone, hit generate, and get professional, context-aware responses for any email thread.
Email Summarizer with Sentiment
Skip reading long emails. Get clear, concise summaries with tone detection so you understand the mood before replying.
What is Reply Chatbot used For? For more details Explore More Service
Long email? No problem.
ReplyBox reads it for you, gives you a crisp summary, and shows the detected tone — so you always respond the right way.
✅AI-generated summary of the sender’s message
✅ Sentiment analysis (Happy, Urgent, Frustrated, etc.)
✅ One-click AI reply generation
✅ Works seamlessly in Gmail & Outlook Web
Why scan every word? Let ReplyBox break it down for you.
Compose full emails with your voice or a smart template
Say goodbye to blank screens. With ReplyBox, you can dictate your message or choose from 10+ dynamic templates, and we’ll generate a polished email instantly.

1
Voice-to-Text
Speak your thoughts — we’ll write the email for you. Clean, professional, and fast.
2
Smart Templates
Choose from 10+ email-ready templates designed for every scenario — from support to sales to follow-ups.


3
Custom Length & Tone
Need it short and simple or detailed and formal? You’re in control.
Don't lose your flow
save your AI drafts in one click
Whether you’re crafting the perfect pitch or pausing mid-reply, your work is safe. ReplyBox lets you save drafts, review them later, and finish whenever you’re ready.
Draft Capacity
Save up to 5, 20, or 50 drafts depending on your plan
Smart Draft Info
Drafts include timestamp and template type
Seamless Editing
Reopen and edit directly in Gmail or Outlook
Message Safety
Never lose an AI-generated message again
Easily bring AI in your workflow to create content
MasAI Chat, have a natural conversation with AI that feels surprisingly human. Simply ask your friendly AI chatbot to generate ideas.
Strikingly powerful, yet unbelievably affordable
Free
0$/month
- Model like Mistral, phi, GPT4o mini
- 50 AI Action/Month/user
- Auto Reply with Email
- Compose with AI
- Save Drafts up to 5.
- Compose with voice to text (only for a one-month trial)
Premium Lite
3.99$/month
- Model like GPT4o, GPT4o mini
- 250 AI Action/Month/User
- Compose with AI
- Custom tone setting
- Save Drafts up to 20.
- Compose with voice to text
- Sentiment
- List Item
- 10 + ready Email Templates
Professional Lite
$6.99/month
- Model like GPT4o, Claude 3.5, Cohere Command-a-03-2025
- 500 AI Action/Month/User
- Auto Reply with Email
- Compose with AI
- Save Drafts up to 50
- Compose with voice to text
- Email Summary with Sentiment
- Email Templates with custom templates and custom templates
Got Questions? Sorted.
You get 50 AI actions/month, email summaries, AI-generated replies, voice-to-text for 1 month, and the ability to save up to 5 drafts.
Yes, you can upgrade, downgrade, or cancel anytime directly from your extension settings or dashboard.
✅ Yes. ReplyBox works inside Gmail and Outlook Web (OWA). Just install the Chrome extension — no extra setup required.
Every time you generate a reply, summarize an email, or use voice-to-text, it counts as one AI Action. Your usage resets monthly based on your plan.
You get access to 10+ ready-to-use templates — like apologies, follow-ups, proposals, support replies, and more. In the Professional plan, you can also create custom templates.
Currently, ReplyBox is designed for desktop browsers (Chrome). Mobile compatibility is coming soon.
Yes. We never store your emails. All processing is done securely and in real time using trusted AI models.
Absolutely. We respond to all support queries within 24 hours. Email us anytime at support@replybox.app