Best Xylo AI Alternatives in 2026
80% positive · 5 user reviews Free trialXylo AI is an email writing assistant that enhances business productivity by improving email quality and correcting grammatical errors. It leverages socially intelligent AI on Microsoft Azure while ensuring security by not storing emails or using them for training.
We've ranked 29 Xylo AI alternatives, including 25 with a free plan. Rankings are based on feature coverage and user feedbacks.
Top-rated alternatives include Writemail, Email Whisperer, and AI Perfect Assistant.
29 Xylo AI Alternatives & Competitors, Ranked by User Reviews
Click Compare on any tool to compare it side-by-side with Xylo AI.
#1
Writemail
Writemail.ai is an AI-driven email writing tool that generates personalized and effective emails with options for tone, language, emojis, and recipient's age or cultural background.
#2
Email Whisperer
Boost your email writing efficiency with Email Whisperer, an AI tool for Gmail and Outlook. Enhance clarity, fix errors, and personalize your tone for error-free, customized emails. Speed up your workflow and automate email composition effortlessly.
#3
AI Perfect Assistant
AI Perfect Assistant adds ChatGPT, Gemini, Claude, and 60+ LLMs to Office 365 apps, delivering real‑time grammar, style checks, drafting, summarization, translation, and formula generation to streamline writing, analysis, and teamwork across Word, Excel, PowerPoint, Outlook, Teams, and OneNote.
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
#5
ReplyAI
AI Email Writer utilizes GPT-4 technology to accelerate email composition, offering customizable templates and smart suggestions for Gmail and Outlook. It allows users to adapt writing styles, improving productivity while maintaining effective communication for various contexts.
#6
QuickMail AI
Quickmail AI is an AI-driven email assistant that generates professional emails quickly from brief prompts. It enhances productivity by reducing writing time and allows users to customize content to fit their style, supporting efficient email management.
- Personalized recommendations
- Custom collections
- Save favorites
Already a member? Sign in
#7
AI Email Writer
The AI Email Writer tool uses GPT-3 technology to simplify email communication and provides chatbot-powered templates for specific purposes.
#8
ghostwrite.rip
GhostWrite generates draft emails from concise prompts, offering subject‑line suggestions and template recognition. Users preview, edit, and approve drafts, while the system learns from edits to improve future suggestions. No auto‑sending; secure, lightweight web interface.
#9
Klart AI
AI Mail Assistant is a Gmail add‑on that uses GPT‑4o to automate email tasks: it generates concise replies, summarizes long messages, translates 13 languages, provides grammar checks, auto‑labels and archives emails, and flags tone issues.
#10
ParagraphAI
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
#11
AI Mail Assistant
AI Mail Assistant integrates with Gmail to auto‑generate replies, summarize threads, correct grammar and tone, translate into 13 languages, and flag ethical concerns—all without an OpenAI account—saving professionals time and improving email clarity.
#12
AiText - AI Writing Assistant
AIText corrects grammar, spelling, and punctuation while paraphrasing to improve clarity. It enhances vocabulary and sentence structure, generating concise emails, articles, reports, essays, and social posts from brief prompts in over 20 languages. Ideal for students, marketers, and professionals.
#13
ProWritingAid
ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.
AI Writer offers AI‑powered tools to generate articles, blogs, captions, emails, and ads. Set tone, character limits, and platforms for titles, outlines, and meta descriptions. Built‑in expand, shorten, paraphrase, summarize, grammar, keyword, and translation features streamline editing and ensure quality.
#15
Mailbutler
AI assistant for Apple Mail, Gmail, and Outlook that drafts, replies, summarizes, and corrects emails with GPT‑4o, extracts tasks for Mailbutler’s list, lets you fine‑tune tone and length, and stores data on EU servers for GDPR compliance.
#16
Writelyai
Write AI is an advanced writing tool that uses machine learning to replicate human-like writing and overcome writer's block, with a free trial and cancellation at any time.
#17
MailGenerator.ai
Mailgenerator.ai is an AI Email Generator that streamlines the process of creating personalized, professional emails. Users can specify the email's purpose, tone, and length for quick and efficient communication.
#18
Hiwriter
HiWriter is an AI-powered email generator that creates personalized and appropriate emails with various features and supports multiple languages.
#19
The-good-AI
AI Essay Writer is a web‑based tool that generates academic essays, outlines, and paragraph suggestions based on topic, type, tone, and citations. It includes grammar checks, AI detection, and reference formatting, aiding students and researchers.
#20
EmailComposer
EmailComposer.ai uses GPT‑3 to generate email marketing copy from a brief 35‑150 word input. It applies proven frameworks like PAS or AIDA, drafts sales letters, lead emails, announcements, and integrates with Outlook, Google Workspace, and CRMs.
#21
Jenni AI
Jenni.ai is an AI-powered writing assistant that helps you create high-quality content quickly and efficiently by generating ideas, organizing thoughts, researching topics, essay writing, grammar and spelling corrections, sentence structure and flow.
#22
AIby.email
Aiby.email's AI tool offers multiple features including grammar correction, summarization, story generation, study plan creation, quick explanations, text-to-sound conversion, persona creation, email bullet points, and course outlines.
#23
AI Cowriter
AI Cowrit is a writing tool that suggests words and phrases as you type, helping you write faster.
#24
AImReply
AImReply auto‑generates email drafts and replies in up to 17 languages, offering 12 tones and three length options. It delivers real‑time edits and AI suggestions, streamlining composition for professionals, support agents, academics, and entrepreneurs—no login needed.
#25
Magical AI
Magic AI is a free AI tool that assists with writing tasks using text expansion, autofill, and data extraction features.
#26
Voilà
Voilà AI Assistant is a cross‑platform browser extension, desktop, and mobile app that uses GPT‑5 to summarize, rewrite, translate, and auto‑reply to emails, chats, PDFs, spreadsheets, and YouTube transcripts, while correcting spelling, grammar, tone and generating images from text.
#27
Word Spinner
Word Spinner is an AI‑powered writing assistant that improves tone, flow, and readability for blog posts, emails, ads, and web copy. It offers grammar checks, tone analysis, and a Chrome extension supporting 100+ languages.
#28
Workflos.ai
Grammarly Business is an AI writing assistant that checks grammar, punctuation, and style in real‑time across emails, documents, and social media. It analyzes tone, scans for plagiarism, offers SSO and 2FA, and integrates with Gmail, Office, Slack, Salesforce, and more.
#29
Hix AI
Hix.ai is a versatile AI writing platform featuring tools like Articlegpt and Browsergpt for optimized article generation and smooth web integration, respectively, enhancing writing productivity and search engine optimization.