Jasper leads for teams needing versatile, long-form content and brand customisation. Copy.ai excels for rapid, budget-conscious copywriting across channels. Mailchimp's AI suits small businesses seeking integrated email marketing with built-in automation. HubSpot serves enterprises wanting comprehensive CRM-linked copywriting alongside lead management.
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1JasperTrusted by 100,000+ teams worldwide; includes proprietary 'Jasper Brand Voice' for consistent tone.95.0NEW£39/month 2Copy.aiOver 3 million users; no credit card required for free tier with full core functionality.92.7NEW$49/month 3MailchimpOver 12 million users; AI copywriting features available across free and paid plans.90.3NEW£13 per month (SMS add-on) 4HubSpotTrusted by 200,000+ companies; AI features integrated directly into email editor with lead context.88.0NEW£45 per month (Professional tier with SMS) 5Conversion.aiBuilt on direct-response copywriting frameworks; specialises in high-converting email sequences.85.7NEW$49/month 6WritesonicSupports 25+ languages; one of the most affordable AI writing tools at starting price of £12/month.83.3NEW$10/month 7Brevo (formerly Sendinblue)Recently rebranded from Sendinblue; offers free tier with up to 300 emails/day and 500 contacts.81.0NEWFree 8GetResponseAI subject line and preview text generation integrated directly into email editor.78.7NEW$15/month 9ActiveCampaignIncludes predictive send-time optimisation alongside AI copywriting for maximum engagement.76.3NEW$9/month 10KlaviyoMarket leader for e-commerce email; AI features optimised for product recommendations and upsell flows.74.0NEW£25 per month (or pay-as-you-go from £0.01 per SMS) The ranking, in detail
01
Content creation platform with document summarisation and brand voice training
Jasper is a long-form AI content platform that helps marketing teams generate on-brand email campaigns, subject lines, and entire sequences. It integrates with major email platforms and includes brand voice customisation, performance templates, and collaboration features.
From £39/monthBest for Marketing teams and agencies needing summarisation alongside content generation
95.0
02
Fast, intuitive AI copy generator with unlimited monthly credits
Copy.ai is a generative AI platform designed for marketers and entrepreneurs to quickly create email subject lines, body copy, product descriptions, and ad variations. It offers a freemium model with templates and multi-channel support.
From $49/monthBest for Solopreneurs, small businesses, and creators wanting speed and affordability
92.7
03
All-in-one marketing platform with SMS, email, and automation
Mailchimp combines email marketing infrastructure with AI writing assistance for subject lines, preview text, and email body content. Includes segmentation, automation, and analytics–all built into one platform.
From £13 per month (SMS add-on)Best for Small to mid-market businesses seeking integrated email and SMS marketing in one platform
90.3
04
CRM platform with integrated SMS and marketing automation
HubSpot's marketing hub includes AI-powered email subject line and body copy suggestions integrated with full CRM, lead management, and automation workflows. Offers enterprise-grade compliance and personalisation.
From £45 per month (Professional tier with SMS)Best for Growing businesses seeking an integrated CRM with SMS, email, and sales tools
88.0
05
Specialised copywriting AI built for direct response and email marketing.
Conversion.ai (recently re-branded from Copy.ai subsidiary) focuses on direct-response copywriting for emails, landing pages, and ads. Uses AIDA and other proven copywriting frameworks. Lightweight and conversion-focused.
From $49/monthBest for Performance marketers and e-commerce teams optimising for click-through and conversion rates.
85.7
06
SEO-focused AI writer with real-time Google integration
Writesonic offers AI-generated email subject lines, body copy, and full campaign templates. Includes SERP optimisation, landing page generation, and support for 25+ languages at competitive pricing.
From $10/monthBest for SEO-conscious creators, bloggers, and content marketers targeting organic search traffic
83.3
07
Email marketing platform with AI-assisted copywriting and segmentation.
Brevo provides email marketing with integrated AI copywriting suggestions, SMS campaigns, and advanced segmentation. Free plan available; suitable for startups and SMBs seeking affordable all-in-one marketing automation.
From FreeBest for SMBs and startups wanting affordable integrated email and SMS marketing with basic AI assistance.
81.0
08
Complete marketing automation and webinar platform
GetResponse combines email marketing, automation, and AI-powered copy generation. Includes landing page builder, webinar hosting, and CRM features. Suitable for small to mid-market teams seeking all-in-one platform.
From $15/monthBest for Small to mid-market businesses seeking affordable all-in-one marketing with webinars
78.7
09
The #1 platform for email marketing, marketing automation, and CRM
ActiveCampaign is an enterprise-focused platform combining CRM, marketing automation, and sales tools with AI-assisted email copywriting. Includes predictive sending, segmentation, and full automation workflows.
From $9/monthBest for Mid-market B2B and B2C companies seeking integrated automation and CRM at reasonable cost
76.3
10
E-commerce marketing automation with SMS and email
Klaviyo specialises in e-commerce email marketing with AI-powered subject line and copy suggestions, advanced segmentation, and flow automation. Integrates with Shopify, WooCommerce, and other platforms.
From £25 per month (or pay-as-you-go from £0.01 per SMS)Best for E-commerce businesses seeking integrated SMS and email marketing with pre-built retail flows
74.0
Frequently asked questions
What is the difference between standalone AI copywriting tools and integrated email platforms?
Standalone tools like Jasper and Copy.ai focus purely on copy generation with advanced customisation, whilst integrated platforms like Mailchimp and HubSpot bundle AI copywriting with email infrastructure, automation, and CRM features. Choose standalone for maximum copy quality and control; choose integrated for unified workflow and reduced tool switching.
Can AI email copywriting tools replace human copywriters?
AI tools excel at rapid ideation, subject lines, and bulk copy generation, but most benefit from human refinement for brand voice and complex narratives. Many teams use AI as a starting point, editing and personalising outputs. High-stakes or mission-critical copy often still requires human expertise.
How do I choose between free, freemium, and paid AI copywriting tools?
Free and freemium tools (Copy.ai, Mailchimp, Brevo) suit testing and small-scale campaigns; paid tools (Jasper, HubSpot) offer advanced features, brand customisation, and reliability for growing teams. Consider contact list size, monthly email volume, and required integrations when deciding on plan tier.