Twain AI is an AI writing & coaching platform for outbound emails used by SDRs, freelancers, startups, and sales teams to write cold emails and follow-ups that get more responses.
This guide covers all features of Twain, how to use it, pros/cons, updated pricing, alternatives, and FAQs: ideal for anyone wanting to take their outbound campaigns to the next level in 2025.
Automatic email analysis – Twain evaluates each email, suggesting changes on tone, clarity, length, personalization, grammar errors, and persuasiveness.AI Coach & feedback – Get detailed advice on *how* and *why* to optimize your message, focusing on CTAs, subject lines, openings, body, and closings.Generative templates & AI variants – Dozens of ready-to-use templates for cold emails and follow-ups. Generate automatic variants for A/B testing, avoiding writer's block.Automatic correction – Twain corrects grammatical errors, overly complex or unclear sentences, adjusting style depending on the prospect and language (EN, IT, and more).Advanced personalization – Fill dynamic fields like name, role, industry, or specific content references, making every email unique to each recipient.Reply rate analysis and tracking – Statistics on open and reply rates, tips for improving results, follow-up tracking, and best-performing templates.Workflow integration – Twain integrates with Gmail, Outlook, LinkedIn and offers browser plugins to work directly in your inbox without switching tools.In summary: Twain AI helps write outbound sales emails that convert better, optimizing time and results with AI suggestions and automated follow-ups.
Step-by-step Guide: How to use Twain AI
Sign up and installation – Visit twain.ai, create a free account and add the browser plugin for Gmail, Outlook or LinkedIn.Compose your email – Write or paste your email draft: Twain will immediately analyze text, subject, CTA, length, and personalization level.Follow AI suggestions – Receive automatic feedback on what to improve: tone, clarity, persuasiveness, errors, personalization, and call to action.Dynamically personalize – Use Twain's dynamic fields to insert name, company, role, and prospect details automatically.Experiment with templates and A/B tests – Choose an AI template, generate variants, and send multiple versions to see which perform best (integrated A/B testing).Monitor replies and optimize – Analyze results: open, reply, template reply rates, and A/B test outcomes. Twain suggests when to send and what to improve.With this process, you can improve the quality and conversion of your outbound emails in minutes, even without being a professional copywriter.
Advantages and Disadvantages of Twain AI
Advantages
More effective email writing – AI suggestions and optimized templates improve reply, open, and conversion rates in sales campaigns.Immediate feedback and coaching – Get practical tips on every email, learning persuasive copywriting techniques and improving skills over time.Time-saving – AI templates and corrections speed up campaign preparation without sacrificing quality.Simple personalization – Dynamic fields and AI suggestions help personalize every message even in large campaigns.Great for freelancers and small teams – Usable for free or affordable prices even for solo workers or small teams.
Disadvantages
Paid Pro and Business plans – Advanced features (team analytics, bulk sending, extensive A/B testing) are only available on Pro/Business plans.Does not replace human strategy – AI suggests but customization and knowing your audience is needed to maximize results.Free plan limits – Free tier has email/day limits and reduced features.Limited integration with other tools – Some advanced integrations (CRM, workflows) are on roadmap or require APIs.In summary: Twain AI is ideal for those wanting effective outbound emails without wasting time, but it does not replace human prospect knowledge or creativity in sales.
Pricing and Plans
Free – Analysis and suggestions on 5 emails/day, AI templates and basic text correction. Ideal for testing and individual use.Pro – $19/month. Full features, 50 emails/day, personalization, AI follow-up, variant generation, advanced tracking.Business – $39/month/user. Shared analytics, team management, advanced A/B testing, template export, premium support, 200 emails/day.Prices updated June 2025. Always check official site for promotions or changes.
Alternatives to Twain AI
Lavender AI – Focus on coaching and sales, advanced email analysis, excellent integration with B2B sales workflows.Flowrite – Fast AI writing for Gmail/Outlook, great for quick replies and customizable templates, less focused on sales analytics.Smartwriter.ai – AI writing for outbound campaigns, strong personalization for LinkedIn and email, reply rate analytics.Salesloft – Sales engagement suite including email automation, templates, and advanced tracking (more expensive).Other tools – Outreach, Copy.ai, Grammarly Business: each with different focuses on automation, AI writing, coaching, and analytics. Twain is excellent for those seeking pure AI writing and practical cold email advice.
FAQ about Twain AI
What is Twain AI for?
Helps write personalized and persuasive sales emails, cold emails, and follow-ups with AI coaching and suggestions.
Which platforms does Twain AI integrate with?
Gmail, Outlook, LinkedIn, and browser plugins. APIs available.
Is Twain AI GDPR compliant?
Yes, it complies with European and international privacy regulations.
How much does Twain AI cost?
Free, Pro at $19/month, Business at $39/month per user.
Is Twain AI suitable for freelancers and SMEs?
Yes, ideal for SDRs, freelancers, startups, teams, and companies sending cold emails and outbound campaigns.
Author
Nicolò Caiti
I made MarTech my career. I work on artificial intelligence applied to digital marketing. In this blog, I analyze how AI is transforming the sector: improving web performance, optimizing digital strategies, and speeding up everyone’s work. With years of experience in marketing automation and advanced customer journey management, I share practical insights, case studies, and best practices to help all people make the most of AI’s potential in their work.I hope you find the answers you are looking for!
