# AI Reply vs Smart Assistant by Mailbutler

AI Reply records 0 monthly visits with — month-over-month growth and Freemium pricing. Smart Assistant by Mailbutler records 47,200 monthly visits with -8.7% growth and Freemium, Free Trial, Paid pricing.

| Metric | [AI Reply](https://openaitools.app/tool/ai-reply) | [Smart Assistant by Mailbutler](https://openaitools.app/tool/smart-assistant) |
| :--- | :--- | :--- |
| Website URL | https://chromewebstore.google.com/detail/ai-reply/nnlonojjiafjcdgabnkmklogmjlmoclm | https://mailbutler.io |
| Categories | AI Email Assistant, AI Email Generator, AI Reply, AI Email Writer | AI Email Assistant, AI Email Generator, AI Response Generator, AI Summarizer |
| Pricing Model | Freemium | Freemium, Free Trial, Paid |
| Monthly Visits | 0 | 47,200 |
| MoM Growth Rate | — | -8.7% |
| Primary Market | Global | United States |
| Direct Visits | 0 | 18,322 |
| Review Score | 3.8 | 4.5 |
| Saved Count | 0 | 6 |
| Supported Platforms | Browser Extension | Website |

## AI Reply

Most email assistants force you to leave the compose window, paste your draft into a chat box and move text back and forth. AI Reply takes the opposite approach: it lives in the Gmail toolbar as a Chrome extension, so the generation happens next to the message you are actually working on. From there you can start a brand-new email, produce a reply to an existing thread, or rewrite something you already typed.

Control is the interesting part of the product. Before generating, you set the context you want the AI to write from, choose a tone that fits the relationship, and pick a target length. That combination lets the same assistant produce a terse follow-up to a procurement contact and a warmer note to a returning client. Multilingual output extends the same idea to correspondence that crosses language borders.

AI Reply is published by Whirr Crew, a software and AI delivery company based in Prague that also builds custom AI solutions. The extension has a good standing on the Chrome Web Store, a modest but consistent user base, and a privacy posture stating that user data is not stored or shared with third parties and is not sold. It suits individual professionals, freelancers, sales and support staff who want faster, cleaner email without adopting a heavy platform.

**Pricing & Plans:** Freemium. The Chrome Web Store listing indicates a free tier with paid upgrades available. The publisher does not maintain a public pricing page, so current plan names, limits and upgrade prices should be checked from within the extension after installation.

- **Draft and reply in seconds:** Generate a complete email or a contextual reply to the message you have open, so you can move from blank page to sendable draft in seconds.
- **Adjustable context, tone and length:** Set the context, tone and target length before generating, which keeps output aligned with a formal negotiation or a friendly check-in.
- **Multilingual writing:** Ask for emails in a range of languages and communicate confidently with international clients, partners and colleagues.
- **Inline Gmail workflow:** The assistant loads inside your Gmail toolbar, so there is no copy-pasting between tabs and no third-party dashboard to visit.
- **Ad-free, low-distraction interface:** The publisher states the extension shows no advertising and keeps the interface minimal so composing stays uninterrupted.

**Strengths:** Works where the work happens, inside Gmail, with no copy-pasting between tools; Tone, length and context controls make output adaptable instead of one-size-fits-all; Multilingual generation is useful for international correspondence; Published by an established software and AI company with a clean Chrome Web Store record

**Limitations:** Requires a Google Chrome or Chromium-based browser; it is not available as a standalone web app; The dedicated product domain is not live, so plan details and terms are only visible inside the extension experience; Best results still depend on a quick review pass, since tone assumptions can occasionally miss the mark; Gmail is the primary supported surface, so other mail clients are not covered

[Profile (Markdown)](https://openaitools.app/tool/ai-reply.md)

## Smart Assistant by Mailbutler

Mailbutler is an email productivity extension for Apple Mail, Gmail, and Outlook, and its AI component is the Smart Assistant. Rather than being a standalone chatbot, the assistant is embedded in the compose and read views of the inbox you already use. It can compose an email from a few short keywords, draft a reply framed as positive, negative, or neutral, summarize an entire thread, or correct grammar and phrasing in a draft — all without switching apps or copying text elsewhere.

The AI layer is deliberately connected to the rest of Mailbutler's toolkit. Follow-up suggestions analyze tracked emails — opens, link clicks, and engagement patterns — then classify threads as high, medium, or low priority, and the Smart Assistant can draft the follow-up itself. That combination of tracking data plus generation is what makes the assistant useful in sales and client-facing work, where knowing who to chase matters as much as what to write.

The rest of the extension supplies email tracking, message templates, mail merge, smart timing, tasks and notes, shared inbox assignments, and signature marketing. On privacy, Mailbutler is ISO/IEC 27001 certified and GDPR compliant with servers in Frankfurt, Germany. Emails are still sent from your own server, message content is not analyzed or stored in the backend for general operation, and when you use the Smart Assistant the email body is sent to OpenAI only for that request, with email addresses replaced by dummy variables. Plans range from a free-forever Starter tier to paid Smart and Business plans, all starting with a free 14-day trial that includes every feature and no credit card requirement.

**Pricing & Plans:** There is a free-forever Starter plan plus a free 14-day trial with all features and no credit card. Paid tiers are billed per user per month (about $4 Starter, $7 Professional, $11 Smart, and higher Business pricing when billed yearly, with monthly pricing slightly higher) and available in USD or EUR. The AI Smart Assistant is included from the Smart plan upward; email tracking, templates, mail merge, tasks, and signatures are spread across the tiers.

- **AI drafting and reply generation:** Turn a handful of keywords or bullet points into a full, sendable email, and generate replies framed as positive, negative, or neutral depending on the situation.
- **Thread summarization:** Condense long email chains into the key points so you can catch up fast and respond without re-reading every message.
- **Grammar and tone correction:** The assistant rewrites and corrects your message for grammar, spelling, and phrasing before you hit send.
- **Smart Follow-ups:** Follow-up suggestions combined with open and click tracking tell you which threads are urgent, and the assistant can draft the follow-up for you.
- **Built into a full email toolkit:** The AI features sit alongside tracking, message templates, mail merge, tasks and notes, shared inbox assignments, and email signatures so your whole workflow stays in one inbox.

**Strengths:** Works inside Apple Mail, Gmail, and Outlook instead of forcing another app into your stack; AI drafting, summarization, and grammar checks are combined with tracking and follow-up prioritization in one place; Strong privacy posture: ISO/IEC 27001 certified, GDPR compliant, and servers located in Germany; Free 14-day trial unlocks all features with no credit card required

**Limitations:** Most genuinely useful AI features require a paid plan, and full automation sits on higher tiers; Free tier is limited, so the free-forever Starter plan is best treated as a lite entry point; Used for email drafting, email body text is transmitted to OpenAI (addresses are tokenized), which some compliance teams will want to review; Feature depth varies slightly by client since it is an extension layered over three different email apps

[Profile (Markdown)](https://openaitools.app/tool/smart-assistant.md)

## Frequently Asked Questions

### How do AI Reply and Smart Assistant by Mailbutler compare in monthly traffic?

AI Reply has 0 monthly visits, while Smart Assistant by Mailbutler has 47,200. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

AI Reply has a month-over-month growth rate of —; Smart Assistant by Mailbutler has -8.7%.

### How does pricing compare?

AI Reply: Freemium. Freemium. The Chrome Web Store listing indicates a free tier with paid upgrades available. The publisher does not maintain a public pricing page, so current plan names, limits and upgrade prices should be checked from within the extension after installation. Smart Assistant by Mailbutler: Freemium, Free Trial, Paid. There is a free-forever Starter plan plus a free 14-day trial with all features and no credit card. Paid tiers are billed per user per month (about $4 Starter, $7 Professional, $11 Smart, and higher Business pricing when billed yearly, with monthly pricing slightly higher) and available in USD or EUR. The AI Smart Assistant is included from the Smart plan upward; email tracking, templates, mail merge, tasks, and signatures are spread across the tiers.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Grammarly](https://openaitools.app/tool/grammarly) | 58,867,412 | -1.5% | Freemium | Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides. | [.md](https://openaitools.app/tool/grammarly.md) |
| 2 | [Superhuman](https://openaitools.app/tool/superhuman) | 6,514,241 | +7.9% | Paid | The AI productivity suite with agents, email, and docs that work wherever you do | [.md](https://openaitools.app/tool/superhuman.md) |
| 3 | [Spark Mail](https://openaitools.app/tool/spark-mail) | 435,229 | -13.5% | Freemium, Free Trial | Smart, focused email with AI help — for individuals and teams | [.md](https://openaitools.app/tool/spark-mail.md) |
| 4 | [BlueMail](https://openaitools.app/tool/bluemail) | 319,805 | -5.8% | Free | A privacy-first email client with built-in AI writing help | [.md](https://openaitools.app/tool/bluemail.md) |
| 5 | [WriteMail.ai](https://openaitools.app/tool/writemail-ai) | 79,919 | -29.9% | Freemium | Turn a few key points into polished, on-tone emails | [.md](https://openaitools.app/tool/writemail-ai.md) |
| 6 | [Friday: AI E-mail Writer](https://openaitools.app/tool/friday-ai-e-mail-writer) | 33,056 | +20.8% | Free Trial | Draft polished, on-tone emails in seconds with an AI writing assistant | [.md](https://openaitools.app/tool/friday-ai-e-mail-writer.md) |
| 7 | [ParagraphAI](https://openaitools.app/tool/paragraphai) | 23,267 | -34.6% | Freemium | An AI writing assistant and keyboard for error-free writing anywhere | [.md](https://openaitools.app/tool/paragraphai.md) |
| 8 | [AImReply – Free AI Email Writer](https://openaitools.app/tool/ai-email-assistant-aimreply) | 17,618 | +6.9% | Free | Write polished, on-tone emails in seconds — free, right in your browser | [.md](https://openaitools.app/tool/ai-email-assistant-aimreply.md) |
| 9 | [ForthWrite](https://openaitools.app/tool/forthwrite) | 5,722 | +4.6% | Freemium, Free Trial, Contact for Pricing | AI email drafting that writes in your own voice, inside Gmail and Outlook | [.md](https://openaitools.app/tool/forthwrite.md) |
| 10 | [Auto Gmail: ChatGPT for email](https://openaitools.app/tool/auto-gmail-chatgpt-for-email) | 4,887 | +14.9% | Paid | An AI drafting layer that writes most of your Gmail replies before you open them. | [.md](https://openaitools.app/tool/auto-gmail-chatgpt-for-email.md) |

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Source: https://openaitools.app/compare/ai-reply-vs-smart-assistant

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