# BlueMail vs Smart Assistant by Mailbutler

BlueMail records 319,805 monthly visits with -5.8% month-over-month growth and Free pricing. Smart Assistant by Mailbutler records 47,200 monthly visits with -8.7% growth and Freemium, Free Trial, Paid pricing.

| Metric | [BlueMail](https://openaitools.app/tool/bluemail) | [Smart Assistant by Mailbutler](https://openaitools.app/tool/smart-assistant) |
| :--- | :--- | :--- |
| Website URL | https://bluemail.me | https://mailbutler.io |
| Categories | AI Email Assistant, AI Email Generator, AI Summarizer | AI Email Assistant, AI Email Generator, AI Response Generator, AI Summarizer |
| Pricing Model | Free | Freemium, Free Trial, Paid |
| Monthly Visits | 319,805 | 47,200 |
| MoM Growth Rate | -5.8% | -8.7% |
| Primary Market | United States | United States |
| Direct Visits | 115,387 | 18,322 |
| Review Score | 4.3 | 4.5 |
| Saved Count | 0 | 6 |
| Supported Platforms | Website | Website |

## BlueMail

BlueMail is an email and calendar client built for people who run several mailboxes at once. Instead of jumping between native apps for Gmail, Outlook, Exchange, IMAP and POP accounts, BlueMail merges all of them into a single unified inbox, then layers on clustering, instant push and a 'Later' board so the messages that matter stay on top.

The defining feature of the current product is GemAI, a generative assistant embedded in the compose and reading experience. It can summarize a long thread in one tap, draft a reply in your own voice, rewrite a message for tone, length or clarity, and translate mail without leaving the client. BlueMail pairs this with a strong privacy posture: end-to-end PGP and S/MIME encryption you control, tracker blocking, a zero-knowledge approach to conversations and no behavioral profiling.

The client itself is free to download and use on every major platform, monetized through optional paid tiers aimed at power users and teams, including BlueMail Work and BlueChat. With a reported 70 million-plus inboxes powered and availability in more than 160 countries, it is one of the most widely used third-party mail clients on mobile and desktop.

**Pricing & Plans:** Free to download and use on all platforms with the core unified inbox, calendar and GemAI features. Paid tiers such as BlueMail Work are available for teams and advanced use; check the official pricing page for current plans.

- **Unified inbox across providers:** Pull Gmail, Outlook, Exchange, IMAP and POP accounts into one organized view so every message is in a single place.
- **GemAI assistant:** Summarize long threads, draft replies in your voice, rewrite for tone or length and translate messages without leaving the inbox.
- **End-to-end encryption:** PGP and S/MIME support with keys you generate or bring yourself, plus tracker blocking and a zero-knowledge privacy stance.
- **Clusters and Later board:** Automatic grouping keeps noise down, while the Later board lets you park messages and pick them up when they are relevant.
- **Integrated calendar and cross-device sync:** Mail and schedule sit side by side, and MagicSync keeps accounts and settings consistent across every device you install it on.

**Strengths:** Genuinely free core client with no account lock-in and support for every major mail provider; GemAI summarization, drafting, rewriting and translation are built into the reading and compose flow; Strong privacy design with end-to-end PGP/S/MIME, tracker blocking and keys stored on-device; Consistent experience across iOS, Android, macOS, Windows and Linux

**Limitations:** Advanced team and power-user capabilities sit behind paid tiers; Feature density can feel overwhelming for people used to a minimalist mail app; AI helpers depend on model access, so quality and availability can vary by region or plan

[Profile (Markdown)](https://openaitools.app/tool/bluemail.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 BlueMail and Smart Assistant by Mailbutler compare in monthly traffic?

BlueMail has 319,805 monthly visits, while Smart Assistant by Mailbutler has 47,200. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

BlueMail has a month-over-month growth rate of -5.8%; Smart Assistant by Mailbutler has -8.7%.

### How does pricing compare?

BlueMail: Free. Free to download and use on all platforms with the core unified inbox, calendar and GemAI features. Paid tiers such as BlueMail Work are available for teams and advanced use; check the official pricing page for current plans. 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 | [Missive](https://openaitools.app/tool/missive) | 631,353 | +0.2% | Free Trial, Paid | Outstanding team collaboration and shared inbox management, but less focused on individual consumer privacy features than BlueMail. | [.md](https://openaitools.app/tool/missive.md) |
| 4 | [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) |
| 5 | [Fyxer](https://openaitools.app/tool/fyxer-ai-executive-assistant) | 298,288 | -3.8% | Free Trial, Paid | Full autonomous executive assistant for email triaging and scheduling, but significantly more expensive than standard email clients. | [.md](https://openaitools.app/tool/fyxer-ai-executive-assistant.md) |
| 6 | [Shortwave](https://openaitools.app/tool/shortwave) | 193,316 | -5.1% | Freemium, Free Trial | Exceptionally fast AI email triage and auto-summarization, but requires using Shortwave's specific client interface instead of your own. | [.md](https://openaitools.app/tool/shortwave.md) |
| 7 | [Spike](https://openaitools.app/tool/spike) | 93,475 | -26.6% | Freemium | Transforms messy email threads into clean chat bubbles, but changes traditional email layout significantly. | [.md](https://openaitools.app/tool/spike.md) |
| 8 | [Inbox Zero](https://openaitools.app/tool/inbox-zero) | 89,348 | +6.8% | Freemium, Free Trial | Open-source and self-hostable with great cold email blocking, but requires technical setup compared to turnkey apps. | [.md](https://openaitools.app/tool/inbox-zero.md) |
| 9 | [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) |
| 10 | [FiloMail](https://openaitools.app/tool/filo-mail) | 35,548 | -5.1% | Freemium | Clean multi-account support with automatic thread summaries, but lacks some of BlueMail's broader cross-platform device ecosystem. | [.md](https://openaitools.app/tool/filo-mail.md) |

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

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