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Alternatives · 2026

Best Mailbutler Alternatives in 2026

24 alternatives · 19 with a free plan · Updated

What are the best Mailbutler alternatives?

The best Mailbutler alternatives for AI Assistant in 2026 are Serif (AI email assistant, free), Open People Data (OPD) (AI-powered tool, free) and COPILOT (AI assistant for iPhone, free). 19 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than Mailbutler? Below are 24 alternatives in AI Assistant, AI Email Assistant and AI Scheduling, all closely matched, ranked by how much they overlap with Mailbutler. Mailbutler itself is free. Each entry shows what the tool does, what it shares with Mailbutler, its key features and pricing.

What is Mailbutler?

Mailbutler adds AI capabilities to your email inbox, helping you compose and summarize messages faster while tracking when recipients open your emails. It works directly within popular email clients so you don't have to switch between apps.

Pricing
Free

Key features of Mailbutler

  • Increased email productivity
  • Improved communication efficiency
  • Seamless integration with popular email clients
  • AI assistance for writing and summarizing emails
  • May require a subscription for full access to all features

Mailbutler alternatives compared

Top 5 alternatives to Mailbutler with pricing and overlap
ToolPricingShared with MailbutlerMatch
MailbutlerFree—Original
SerifFreeAI Assistant, AI Email Assistant, AI SchedulingStrong match
Open People Data (OPD)FreeAI Assistant, AI Email AssistantStrong match
COPILOTFreeAI Assistant, AI Email AssistantStrong match
MailyzeEnterpriseAI Assistant, AI Email AssistantStrong match
Snoooz AIPaidAI Assistant, AI Email Assistant, AI SchedulingStrong match

Top 24 alternatives to Mailbutler

  1. #1
    Serif logo

    Serif

    Strong matchFree

    Serif is an AI email assistant that drafts replies, organizes inboxes, and schedules meetings to cut time spent on admin work.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    • It aims to cut email time by 50% with a simple

    Pricing: free

  2. #2
    Open People Data (OPD) logo

    Open People Data (OPD)

    Strong matchFree

    AI-powered tool that manages your email and protects your privacy by using AI agents to handle communications on your behalf.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Enhanced privacy by hiding real contact details
    • Efficient email management through AI automation
    • Control over digital identity and data

    Pricing: free

  3. #3
    COPILOT logo

    COPILOT

    Strong matchFree

    AI assistant for iPhone, iPad, and Mac that automates repetitive tasks and cuts down on copy-pasting between apps.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Deep integration into the Apple ecosystem
    • Automates repetitive tasks
    • Saves time by avoiding copy-pasting and app switching

    Pricing: free

  4. #4
    Mailyze logo

    Mailyze

    Strong matchEnterprise

    Mailyze is an AI email assistant that manages and prioritizes your inbox, with customized AI help and integrations with other platforms.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Maintains email privacy and security
    • Offers customized AI assistance tailored to user needs
    • Provides fast and effective email management

    Pricing: custom quote

  5. #5
    Snoooz AI logo

    Snoooz AI

    Strong matchPaid

    Snoooz AI is an out-of-office email assistant that manages inbox messages and sends personalized auto-replies while you are away.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    • AI-powered OOO assistant for automated email management and personalized auto-replies

    Pricing: paid, from $9

  6. #6
    Flot.ai logo

    Flot.ai

    Strong matchFree

    Flot.ai is an AI writing copilot that adds ChatGPT-style help to any app or website where you type, read, or select text.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • AI copilot for writing

    Pricing: free

  7. #7
    Rize logo

    Rize

    Strong matchFree

    Automatic time tracker that logs computer activity and reports where your work hours go, helping you build focus habits.

    In common with Mailbutler: AI Assistant, AI Scheduling

    Pricing: free

  8. #8
    SmartBird logo

    SmartBird

    Strong matchFree

    Browser extension that uses ChatGPT to help write emails, messages, and social posts faster.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Saves time and increases productivity
    • Generates personalized and engaging responses
    • Easy-to-use interface

    Pricing: free

  9. #9
    Mavy logo

    Mavy

    Strong matchFree

    Mavy is an AI scheduling assistant that coordinates meetings by email and manages calendars around the clock.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    Pricing: free

  10. #10
    Cal.com logo

    Cal.com

    Strong matchEnterprise

    Cal.com is open scheduling software for booking meetings, with self-hosted or hosted options and AI scheduling assistance through Cal.ai.

    In common with Mailbutler: AI Assistant, AI Scheduling

    Pricing: custom quote

  11. #11
    SummerEyes logo

    SummerEyes

    Strong matchFree

    SummerEyes is an AI browser extension that summarizes web pages and text so you can read less and get to the point faster.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • AI-powered browser extension for summarizing text and boosting productivity

    Pricing: free

  12. #12
    Meet-Ting logo

    Meet-Ting

    Strong matchFree

    Free AI scheduling assistant that books meetings inside your email thread by reading the conversation, checking calendars, and sending invites.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    • It is currently in closed beta

    Pricing: free

  13. #13
    Remail logo

    Remail

    Strong matchPaid

    Chrome extension that drafts email replies in Gmail, an AI email reply generator for faster inbox work.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • AI-powered Chrome extension for Gmail that drafts high-quality email replies quickly

    Pricing: paid, from $9

  14. #14
    Spike logo

    Spike

    Strong matchFree

    Spike is an AI email app that combines multiple inboxes into one unified view, with summaries and team collaboration tools for managing email.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • AI-powered features enhance email management
    • Unified inbox simplifies access to multiple accounts
    • Conversational interface improves readability

    Pricing: free

  15. #15
    Fyxer AI logo

    Fyxer AI

    Strong matchPaid

    Fyxer AI is an AI email assistant and meeting assistant that sorts your inbox, drafts replies, and schedules and notes your meetings.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    • AI executive assistant for email and meeting management

    Pricing: paid, from $270

  16. #16
    Whimsey Scheduler logo

    Whimsey Scheduler

    Strong matchFree

    Whimsey is an AI meeting scheduling tool that works inside Google Workspace to reduce back-and-forth scheduling emails.

    In common with Mailbutler: AI Assistant, AI Email Assistant, AI Scheduling

    • Streamlines scheduling process
    • Reduces email overload related to scheduling
    • Easy to use - no new app or syntax to learn

    Pricing: free

  17. #17
    TimeTailor logo

    TimeTailor

    Strong matchFree

    TimeTailor is an AI scheduling assistant that automates calendar planning and prioritizes tasks, syncing with your existing calendars.

    In common with Mailbutler: AI Assistant, AI Scheduling

    • Automated scheduling saves time and effort
    • AI adapts to individual lifestyles and preferences
    • Integration with existing calendars

    Pricing: free

  18. #18
    Ambient logo

    Ambient

    Strong matchFree

    Ambient is an AI meeting assistant that writes meeting summaries and tracks action items from Zoom, Teams, Meet, Email and Slack.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Saves time by automating meeting summaries and action item tracking
    • Provides insights that drive high-quality decisions
    • Integrates with various communication platforms (Zoom

    Pricing: free

  19. #19
    Dollie logo

    Dollie

    Strong matchFree

    Dollie is an all-in-one WordPress management platform for agencies, with white-label hosting, AI assistance, and a client portal.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • All-in-one platform for WordPress agencies
    • AI-powered assistance for increased efficiency
    • White-label hosting for increased revenue

    Pricing: free

  20. #20
    Supermoon logo

    Supermoon

    Strong matchFree

    Supermoon is AI customer communication software for e-commerce teams, with omnichannel support and Shopify integration to manage customer messages across channels.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Streamlined communication management
    • AI-powered automation for efficiency
    • Improved customer satisfaction

    Pricing: free

  21. #21
    TEE Buddy logo

    TEE Buddy

    Strong matchFree

    AI tool that automates tee time bookings at golf courses, boosting your odds of securing spots at busy locations.

    In common with Mailbutler: AI Assistant, AI Scheduling

    • Increases chances of booking tee times at busy courses
    • Automates the booking process
    • Customizable parameters for specific booking preferences

    Pricing: free

  22. #22
    Checkget AI logo

    Checkget AI

    Strong matchFree

    A browser extension that uses GPT-4 to handle writing, translation, and coding tasks directly on any website.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • It works on any website or software by pressing Cmd/Alt+K or clicking the extension icon

    Pricing: free

  23. #23
    Cuely logo

    Cuely

    Strong matchFree

    Cuely is an AI assistant that works as a cross-platform ChatGPT client on web, desktop, and Slack for replies, summaries, grammar, and translation.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    • Cross-platform chatGPT client for AI-assisted work

    Pricing: free

  24. #24
    Qex AI logo

    Qex AI

    Strong matchFree

    Email-capable AI assistant that reads, understands and sends emails for daily tasks, customer messages and marketing work.

    In common with Mailbutler: AI Assistant, AI Email Assistant

    Pricing: free

How we picked these Mailbutler alternatives

We rank tools by how closely they match Mailbutler: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to Mailbutler in 2026?

The closest alternatives to Mailbutler are Serif, Open People Data (OPD), COPILOT, Mailyze and Snoooz AI. They are ranked by how many categories and tags they share with Mailbutler and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to Mailbutler?

Serif is the closest match because it shares AI Assistant, AI Email Assistant and AI Scheduling with Mailbutler. It is free.

Are there free alternatives to Mailbutler?

Yes. 19 of the 24 alternatives have a free or freemium plan, including Serif (free), Open People Data (OPD) (free), COPILOT (free), Flot.ai (free) and Rize (free). Mailbutler is free.

Which Mailbutler alternatives are paid or enterprise tools?

Mailyze (enterprise), Snoooz AI (paid), Cal.com (enterprise), Remail (paid) and Fyxer AI (paid) use paid or enterprise pricing, which usually means more support and admin options for teams.

How does Mailbutler compare to Serif?

Serif overlaps with Mailbutler in AI Assistant, AI Email Assistant and AI Scheduling. Its listed features include it aims to cut email time by 50% with a simple. Pricing: free. Open the side-by-side compare page for a full breakdown.

What category is Mailbutler in?

Mailbutler is listed under AI Assistant on SoftwareVital. Browse that category to see more tools in the same group.