Best AI Email Tools in 2026

AI email tools help you write better emails faster, manage your inbox more efficiently, and scale outreach. From executive email clients to cold outreach platforms, these tools save hours every week.

11 tools compared·Last updated: February 2026

Quick Jump

1. Superhuman 2. Instantly 3. Lavender 4. Apollo.io 5. HubSpot AI 6. Copy.ai 7. Anyword 8. Speechify 9. Kayako 10. Smartwriter

Superhuman

AI-powered email client built for speed and productivity

4.4/5

Paid — $30/moProductivity

The fastest email experience with AI-powered writing, auto-summarization, instant reply suggestions, and workflow automation. Built for professionals who live in email.

Pros

✓Fastest email experience available
✓AI saves significant time
✓Excellent keyboard navigation
✓Beautiful, clean interface

Cons

✗Expensive ($30/mo)
✗Gmail/Outlook only
✗Requires behavior change

Try Superhuman →Full Review

InstantlyTrending

AI-powered cold email outreach platform with unlimited sending accounts

4.3/5

Paid — $30/moMarketing & SEO

Instantly scales cold email campaigns with AI warmup, unlimited accounts, lead finding, and smart sending optimization.

Pros

✓Unlimited accounts is rare
✓Great deliverability tools
✓Built-in lead database
✓Competitive pricing

Cons

✗Cold email has legal considerations
✗Lead data quality varies
✗Learning curve for setup

Try Instantly →Full Review

Lavender

AI email coach for sales teams

4.3/5

Freemium — $0/moMarketing & SEO

Lavender coaches you to write better sales emails in real-time, using AI to score, suggest improvements, and personalize outreach.

Pros

✓Measurably improves reply rates
✓Real-time coaching is helpful
✓Good personalization AI
✓Sales-focused features

Cons

✗Mainly for cold outreach
✗Free tier is limited
✗Requires sales tool integration

Try Lavender →Full Review

Apollo.io

All-in-one AI sales intelligence and engagement platform

4.3/5

Freemium — $0/moSales & CRM

Apollo.io provides a 275M+ contact database with AI-powered prospecting, email sequences, and deal management for sales teams.

Pros

✓Massive contact database
✓Generous free tier
✓AI lead scoring works well
✓All-in-one platform

Cons

✗Data accuracy varies
✗Email deliverability needs setup
✗Can be overwhelming

Try Apollo.io →Full Review

HubSpot AI

AI-powered CRM, marketing, and sales automation platform

4.2/5

Freemium — $0/moMarketing & SEO

HubSpot's AI features help you write emails, score leads, generate reports, create chatbots, and automate marketing workflows — all within the CRM.

Pros

✓Integrated into full CRM suite
✓Great for mid-market companies
✓Free CRM with AI features
✓Excellent reporting

Cons

✗Best AI features need paid plans
✗Complex setup for full platform
✗Can be expensive at scale

Try HubSpot AI →Full Review

Copy.ai

AI-powered copywriting for marketing teams and creators

4/5

Freemium — $0/moWriting & Content

Generate high-converting marketing copy, blog posts, social media content, and emails in seconds. Built for speed and brand consistency.

Pros

✓Great for short-form marketing copy
✓Easy to use, no learning curve
✓Good free tier with 2,000 words/mo
✓Fast output generation

Cons

✗Long-form content quality varies
✗Templates can feel formulaic
✗Limited customization on free plan

Try Copy.ai →Full Review

Anyword

AI copywriting with predictive performance scoring

4/5

Paid — $49/moWriting & Content

Generate marketing copy with AI-powered performance predictions. Know which headline, ad, or email will perform best before you publish.

Pros

✓Unique performance prediction
✓Great for ad copy
✓Learns from your data
✓Saves on ad testing costs

Cons

✗Expensive for starters
✗Predictions aren't guaranteed
✗Weaker at long-form content

Try Anyword →Full Review

Speechify

Turn any text into natural-sounding audio with AI voices

4/5

Freemium — $0/moAudio & Music

Listen to articles, PDFs, emails, and books with AI narration. 200+ natural voices in 60+ languages. The most popular text-to-speech reader app.

Pros

✓Most natural reader voices
✓Works on any text source
✓Great for learning on the go
✓Excellent mobile apps

Cons

✗Premium is expensive
✗Free tier is limited
✗Voice cloning needs paid plan

Try Speechify →Full Review

Kayako

AI-powered helpdesk with unified customer conversation tracking

4/5

Paid — $30/agent/moCustomer Support

Kayako combines AI-powered ticket management with unified conversation history across email, chat, and social for seamless support.

Pros

✓Excellent customer journey view
✓Good multi-channel unification
✓AI suggestions save time
✓Clean interface

Cons

✗Can be pricey per agent
✗Setup takes time
✗Reporting could be more robust

Try Kayako →Full Review

Smartwriter

AI personalized outreach email generator

4/5

Paid — $59/moMarketing & SEO

Smartwriter generates hyper-personalized cold emails by scraping prospect data from LinkedIn, websites, and news using AI.

Pros

✓Deep personalization quality
✓Saves hours of research
✓Good for cold outreach
✓Batch processing

Cons

✗Expensive for small teams
✗Personalization can miss context
✗Requires good prospect lists

Try Smartwriter →Full Review

Rytr

Affordable AI writing assistant for everyday content

3.7/5

Freemium — $0/moWriting & Content

Generate blog posts, emails, ad copy, and social media content in 30+ languages. One of the most affordable AI writers on the market.

Pros

✓Very affordable unlimited plan
✓Easy to use interface
✓Good variety of use cases
✓Decent free tier

Cons

✗Output quality below top-tier tools
✗Long-form content needs heavy editing
✗Limited brand voice features

Try Rytr →Full Review

Not sure which tool is right for you?

Let AI Find Your Perfect Tools

📬 Free Weekly Newsletter

Never miss the next big AI tool

Get our curated picks of the best new AI tools, tips, and deals delivered to your inbox every Thursday.

No spam, ever. Unsubscribe anytime.