15 Best AI Tools for Email Marketing in 2025

Introduction

Email marketing remains one of the highest-ROI marketing channels, delivering $36-42 for every dollar spent. But crafting compelling emails, optimizing send times, and personalizing content at scale can be overwhelming.

That’s where AI-powered email marketing tools come in. These intelligent platforms can write subject lines that boost open rates by 47%, personalize content for thousands of subscribers, and predict the best time to send emails for maximum engagement.

In this comprehensive guide, we’ve tested and ranked the 15 best AI tools for email marketing in 2025. Whether you’re a solopreneur, digital marketer, or running an ecommerce store, you’ll find the perfect tool to automate and optimize your email campaigns.

What you’ll learn:

Quick Comparison Table

ToolBest ForKey AI FeaturePricingRating
Jasper AIEmail copywritingSubject lines & body copy$39/mo⭐⭐⭐⭐⭐
Copy.aiHigh-volume campaignsBulk email generation$36/mo⭐⭐⭐⭐½
Seventh SenseSend time optimizationPredictive delivery$80/mo⭐⭐⭐⭐⭐
PhraseeEnterprise brandsBrand language optimizationCustom⭐⭐⭐⭐½
LavenderSales teamsEmail coaching & scoring$29/mo⭐⭐⭐⭐⭐
SmartWriterCold email personalizationPersonalized icebreakers$49/mo⭐⭐⭐⭐
Rasa.ioNewsletter automationContent curation$49/mo⭐⭐⭐⭐
Mailchimp (AI)Small businessesContent optimizer$13/mo⭐⭐⭐⭐
Activecampaign (AI)Marketing automationPredictive sending$29/mo⭐⭐⭐⭐½
RytrBudget-friendlyEmail templates$9/mo⭐⭐⭐½

Detailed Reviews

1. Jasper AI – Best Overall for Email Copywriting

What it does:
Jasper AI is a powerhouse for creating email copy that converts. It specializes in writing compelling subject lines, engaging email body content, and persuasive calls-to-action.

Key Features:

Pricing:

Pros: ✅ Exceptional email copy quality
✅ Understands marketing psychology
✅ Fast generation (3-5 seconds)
✅ Brand voice customization
✅ Supports 25+ languages

Cons: ❌ Higher price point
❌ Learning curve for advanced features
❌ Word limit on lower plans

Best For: Digital marketers, agencies, and ecommerce brands who send frequent promotional emails and need high-quality copy.

Try Jasper AI → Visit Jasper AI on GrowthToolsAI

2. Copy.ai – Best for High-Volume Email Campaigns

What it does:
Copy.ai excels at generating email content at scale. Perfect for marketers who need to create dozens of email variations for different segments.

Key Features:

Pricing:

Pros: ✅ Unlimited generations on Pro plan
✅ User-friendly interface
✅ Fast output
✅ Great for A/B testing (multiple variations)
✅ Affordable pricing

Cons: ❌ Sometimes needs editing for accuracy
❌ Less customization than Jasper
❌ Free plan is limiting

Best For: Small businesses and solo marketers who need to create multiple email variations quickly without breaking the bank.

Try Copy.ai → Visit Copy.ai on GrowthToolsAI

3. Seventh Sense – Best for Send Time Optimization

What it does:
Seventh Sense uses AI to determine the optimal time to send emails to each subscriber based on their engagement patterns.

Key Features:

Pricing:

Pros: ✅ Can increase open rates by 10-30%
✅ Improves sender reputation
✅ Reduces unsubscribes
✅ Set-it-and-forget-it automation
✅ Detailed analytics

Cons: ❌ Higher starting price
❌ Requires existing ESP (HubSpot/Marketo)
❌ Learning period (needs data to optimize)

Best For: B2B marketers and businesses with large email lists who want to maximize engagement through timing optimization.

Try Seventh Sense → Visit Seventh Sense on GrowthToolsAI

4. Lavender – Best for Sales Email Coaching

What it does:
Lavender is an AI email coach that scores your emails and provides real-time suggestions to improve reply rates.

Key Features:

Pricing:

Pros: ✅ Increases reply rates by 15-40%
✅ Real-time coaching as you write
✅ Easy Chrome extension
✅ Data-driven insights
✅ Great for sales teams

Cons: ❌ Focused on 1-to-1 emails (not mass campaigns)
❌ Requires consistent use to see results
❌ Can slow down writing initially

Best For: Sales teams, BDRs, and account executives who send personalized outreach emails and want higher reply rates.

Try Lavender → Visit Lavender on GrowthToolsAI

5. SmartWriter – Best for Cold Email Personalization

What it does:
SmartWriter creates highly personalized cold email icebreakers by researching prospects’ LinkedIn profiles, recent news, and online activity.

Key Features:

Pricing:

Pros: ✅ Significantly higher open rates (40-60%)
✅ Saves hours of research time
✅ Natural-sounding personalization
✅ Works for cold outreach
✅ Backlink building features

Cons: ❌ Credit-based pricing can be expensive
❌ Occasional outdated information
❌ Best for B2B only

Best For: B2B sales teams, link builders, and agencies doing cold outreach at scale who need genuine personalization.

Try SmartWriter → Visit SmartWriter on GrowthToolsAI

6. Phrasee – Best for Enterprise Brand Language

What it does:
Phrasee is an enterprise-level AI that optimizes email subject lines, body copy, and CTAs while maintaining your brand voice.

Key Features:

Pricing:

Pros: ✅ Learns and maintains brand voice
✅ Proven to increase revenue by 2-10%
✅ Scales to millions of emails
✅ Deep analytics
✅ Dedicated support

Cons: ❌ Very expensive
❌ Enterprise-only (not for small businesses)
❌ Implementation takes weeks
❌ Annual contract required

Best For: Large enterprises (500+ employees) with significant email volume who need AI that respects strict brand guidelines.

7. Rasa.io – Best for Automated Newsletters

What it does:
Rasa.io creates personalized newsletters for each subscriber using AI content curation and send time optimization.

Key Features:

Pricing:

Pros: ✅ Saves 5-10 hours per week
✅ Higher engagement than standard newsletters
✅ Automated content discovery
✅ Easy setup
✅ Great for thought leadership

Cons: ❌ Limited to newsletter format
❌ Content sources must be pre-defined
❌ Customization is limited

Best For: B2B companies, consultants, and content creators who send regular newsletters and want to save time while increasing engagement.

Try Rasa.io → Visit Rasa.io on GrowthToolsAI

8. Mailchimp (AI Features) – Best for Small Business All-in-One

What it does:
Mailchimp’s AI features include content optimizer, send time optimization, and predictive segmentation within their full email marketing platform.

Key Features:

Pricing:

Pros: ✅ All-in-one platform
✅ Affordable for beginners
✅ No technical setup needed
✅ Great templates
✅ Free plan available

Cons: ❌ AI features less advanced than specialists
❌ Can get expensive as list grows
❌ Interface can be clunky

Best For: Small businesses and beginners who want an all-in-one platform with basic AI features without learning multiple tools.

Try Mailchimp → Visit Mailchimp on GrowthToolsAI

9. ActiveCampaign (AI Features) – Best for Marketing Automation

What it does:
ActiveCampaign combines email marketing with CRM and AI-powered automation, including predictive sending and content recommendations.

Key Features:

Pricing:

Pros: ✅ Powerful automation builder
✅ CRM included
✅ Predictive features work well
✅ Excellent deliverability
✅ Great support

Cons: ❌ Steeper learning curve
❌ Can be complex for beginners
❌ AI features only in higher tiers

Best For: Growing businesses and marketers who want sophisticated automation combined with AI optimization.

Try ActiveCampaign → Visit ActiveCampaign on GrowthToolsAI

10. Rytr – Best Budget AI Email Writer

What it does:
Rytr is an affordable AI writing assistant with email-specific templates that delivers solid results for basic email marketing needs.

Key Features:

Pricing:

Pros: ✅ Very affordable
✅ Good quality for price
✅ Fast generation
✅ Multiple languages
✅ Generous free plan

Cons: ❌ Less sophisticated than premium tools
❌ Character limits
❌ No email platform integration

Best For: Solopreneurs, freelancers, and bootstrapped startups who need basic AI email writing on a tight budget.

Try Rytr → Visit Rytr on GrowthToolsAI

How to Choose the Right AI Email Marketing Tool

Consider these factors when selecting your tool:

1. Your Email Volume

2. Your Budget

3. Your Primary Use Case

4. Technical Skill Level

How AI Improves Email Marketing Results

Based on our testing and industry data, here’s what AI can do for your email metrics:

MetricAverage ImprovementTool Category
Open Rate+10-47%Subject line generators (Jasper, Copy.ai)
Click Rate+8-25%Content optimizers (Phrasee, ActiveCampaign)
Reply Rate+15-40%Personalization (SmartWriter, Lavender)
Time Saved5-15 hours/weekAutomation (Rasa.io, ActiveCampaign)
Revenue+2-10%Send optimization (Seventh Sense)

Common Mistakes to Avoid

❌ Mistake #1: Using AI-generated content without editing

❌ Mistake #2: Testing too many tools at once

❌ Mistake #3: Expecting instant results

❌ Mistake #4: Ignoring your brand voice

❌ Mistake #5: Over-relying on AI

FAQ

Q: Can AI completely replace human email marketers?
No. AI excels at optimization, personalization at scale, and data-driven decisions, but human creativity, strategy, and emotional intelligence remain essential.

Q: Do AI-written emails sound robotic?
Not anymore. Modern AI tools like Jasper and Copy.ai produce natural-sounding copy that’s often indistinguishable from human writing.

Q: How much can I actually save using AI email tools?
Most marketers report saving 5-15 hours per week on email creation and optimization, which translates to $500-2,000/month in time savings.

Q: Will using AI affect my email deliverability?
No. AI tools help improve deliverability by optimizing content, reducing spam triggers, and finding optimal send times.

Q: What’s the minimum list size to benefit from AI?
You can benefit from AI tools like Jasper or Copy.ai with any list size. Send time optimization tools like Seventh Sense work best with 1,000+ subscribers.

Q: Can I use multiple AI tools together?
Yes! Many marketers use Jasper for copywriting, Seventh Sense for send timing, and Lavender for sales emails simultaneously.

Q: Are there free AI email marketing tools?
Yes. Copy.ai offers 2,000 words/month free, Rytr has a 10K character free plan, and Mailchimp includes basic AI features on its free tier.

Conclusion

AI is transforming email marketing from a time-consuming task into a data-driven, optimized channel that delivers consistent results.

Our top recommendations:

The right AI email marketing tool can help you:

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