Best Custos Alternatives in 2025
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Save time and write emails effortlessly with Jace AI—your personal email assistant. Craft responses in your voice, schedule meetings seamlessly, and stay organized.
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WriteMail.ai: AI email assistant. Write professional, clear emails faster. Save time, improve communication, and master your inbox effortlessly.
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Reclaim your time with Superinbox AI. Get personalized, context-aware email drafts & intelligent inbox organization for Gmail & Outlook.
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Personalized, Al-Powered Email Responses to Boost Efficiency, Nurture Clients, and Transform Your Customer Experience!
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Using GPT 4.0 AI , Cadabra learns your tone and crafts email replies in seconds with perfect grammar.
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ReplyAI that works within Gmail and Outlook. Generate engaging email responses in seconds. Write emails 10x faster using AI.
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Mailwiz: AI email assistant for Gmail. Get smart, personalized replies drafted instantly, right in your inbox. Save hours daily!
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Jetwriter AI: Your personalized, context-aware AI writing assistant. Boost productivity across platforms with multi-model intelligence & your unique voice.
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Write emails, docs & more faster with Compose AI, your AI writing assistant. Get personalized autocomplete, instant text generation & 1-click replies. Save time!
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Reclaim an hour daily with Fyxer AI, your intelligent executive assistant. Automate emails, perfect meeting notes, and streamline your inbox for peak productivity.
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Draft is an AI writing assistant that learns your unique writing style to generate drafts that sound like you.
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MailMaestro: AI email assistant for Outlook & Gmail. Draft emails instantly, summarize threads, & manage your inbox faster. Boost productivity & save time.
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Imagine a customer service inbox where emails draft themselves, based on your unique business knowledge and tone. That's what we offer. You just give the draft a quick check and hit 'Send', from wherever you are.
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Stop wasting time on email. Ellie, your AI assistant, learns your unique style & understands context to draft replies that sound authentically like you.
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Xemail is a professional AI email writing assistant that helps you write emails, replies, messages and letters 100 times faster.
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Friday AI Email Writer helps busy professionals craft clear, polished emails instantly. Enhance tone, proofread, and write authentically faster.
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hi ai: The AI email client. Integrates with your live business data to generate instant, context-aware, personalized email replies in your unique style.
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Get AI help right in your browser. Copilotly helps you write, summarize & research faster across the web without leaving your workflow.
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Write professional emails 10x faster with Addy AI. Personalized AI learns your voice for perfect drafts & instant summaries in Gmail/Outlook.
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HeyHelp: Your AI executive assistant for Gmail. Automate inbox sorting, draft personalized replies, and reclaim hours weekly. Focus on what truly matters.
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Ghostwrite helps you write emails using artificial intelligence. Stop wasting time writing email and spending more time on conversations that matter to you.
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Fyxer AI automates email & meetings. Get personalized draft replies in your unique voice and smart meeting notes. Reclaim an hour daily!
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Duet Mail: AI for Gmail. Auto-summarize threads, draft emails in your style, & manage follow-ups. Get your inbox under control!
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Generate 1000s of Personalised Emails that get you 8x more replies within minutes using AI
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Superhuman: Fly through emails twice as fast, be more responsive, and eliminate email anxiety. Increase team productivity and save time.
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Unlock your creative potential and save time with TextCortex. This customizable AI assistant revolutionizes productivity and communication.
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InboxPilot is a Chatbot for Emails that uses your company’s data to instantly draft or send replies. Perfect for automating responses to support@, info@, or high-volume accounts—saving you time and keeping your inbox under control.
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MailAI's 24/7 AI agents autonomously manage your email. Automate complex workflows, ensure secure operations, and boost productivity with natural language.
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Skail.ai is an AI-powered platform that helps professionals create personalized, human-like messages using its proprietary Digital Clone technology. It enhances communication by mimicking the user’s tone, knowledge, and personality, allowing for more authentic interactions while boosting productivity and maintaining personal connections.
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Save time with Auto Gmail, an AI Email Agent that drafts responses for your inbox. Connects to Gmail and Outlook, analyzes emails, and integrates with various clients.