10 Best Email Marketing AI Tools To Boost Conversions

AI tools can give you a serious advantage if you want to sharpen your email marketing strategy in 2025. 

With customer expectations rising and inbox competition increasing daily, basic automation no longer cuts it. These AI-powered platforms go beyond scheduling and segmentation—they help you craft smarter content, predict the best time to send, and adapt your messaging based on real-time engagement. 

Whether you’re a business owner aiming to boost conversions or a marketer looking to scale personalised campaigns, adopting the right AI tools could transform how you connect with your audience.

Key Takeaways

• AI tools for email marketing in 2025 will offer advanced capabilities, such as predictive analytics, behavioural targeting, and dynamic content creation, to improve engagement and efficiency.
• Choosing the right tool depends on scalability, CRM integration, ease of use, automation features, cost-efficiency, and data compliance.
• Top platforms like ActiveCampaign, MailerLite, and HubSpot cater to different business sizes and needs, offering smart segmentation and send-time optimisation features.
• Free and affordable plans are available for SMEs, while enterprise-grade solutions like Zeta Global offer powerful AI-driven insights at a premium.
• AI tools continue to transform email marketing by enabling hyper-personalisation and better ROI with less manual effort.

Why Use AI Tools in Email Marketing?

You already know email is a powerful marketing channel—but making it work harder for your business isn’t always straightforward. Many marketers in Singapore struggle with low engagement rates, poorly targeted campaigns, and the time sink of manual A/B testing. The average open rate for email campaigns in Singapore is significantly lower than in other regions. 

That means a large portion of your audience doesn’t even see your message, much less act on it. This is where AI tools for email marketing come in. These platforms use machine learning to take the guesswork out of campaign management. Instead of manually testing dozens of subject lines or send times, AI algorithms predict which combinations will most likely succeed based on your audience’s past behaviour. 

This predictive analytics helps you reach the right people at the right time—without hours of testing. You’ll also be able to create dynamic content that changes based on user behaviour or preferences, making each email feel tailored to the recipient. With send-time optimisation, AI can identify the precise moment each subscriber is most likely to open your email—improving engagement rates without lifting a finger.

Integrating AI into your email strategy means improving efficiency and giving your audience a more personalised and timely experience. For business owners in Singapore competing in a fast-paced digital economy, this can mean the difference between an opened message and one ignored.

10 Top AI Tools for Email Marketing in 2025

With so many platforms claiming to enhance email performance, it can be challenging to identify which AI tools genuinely deliver results. To help you cut through the noise, here’s a curated list of the top 10 AI tools for email marketing in 2025—each selected for its ability to boost engagement, streamline workflows, and support your growth goals.

1.  ActiveCampaign

ActiveCampaign was founded in 2003 by Jason VandeBoom in Chicago, Illinois. It began as a consulting firm and then transitioned into a software company focusing on customer experience automation.​ Over the years, ActiveCampaign has evolved to offer a comprehensive suite of tools, including email marketing, automation, sales automation, and CRM functionalities.​

The company’s mission is to help businesses effectively connect and engage with customers by providing personalised experiences through automation.​

Key Features	Predictive sending AI-based lead scoring Smart content recommendations Automated workflows
Price in SGD	Starting from approximately SGD 45/month (converted from USD; actual pricing may vary based on exchange rates)​
Pros	Robust automation capabilities​ Comprehensive CRM integration​ User-friendly interface​
Cons	It has a steep learning curve for beginners​ Pricing can be higher for small businesses

2. Encharge

Encharge was established to bridge the gap between marketing automation and user behaviour analytics. The founders aimed to create a platform that offers behaviour-based email marketing automation tailored for SaaS companies.​ The company focuses on providing intuitive visual automation builders that allow marketers to design complex workflows without coding.​

Encharge continues to innovate by integrating AI-powered audience segmentation and behaviour-based triggers to enhance user engagement.​

Key Features	Behaviour-based triggers Visual automation builder AI-powered audience segmentation
Price in SGD	Starting from approximately SGD 65/month (converted from USD; actual pricing may vary based on exchange rates)​
Pros	Intuitive visual workflow builder​ Strong focus on user behaviour analytics​ Suitable for SaaS businesses​
Cons	Limited integrations compared to competitors​ Smaller user community

3. Brevo (formerly Sendinblue)

Brevo (initially known as Sendinblue) was founded in 2012 in Paris, France, by Armand Thiberge. The company aims to make digital marketing accessible to small and medium-sized businesses.​ Over time, Sendinblue expanded its services beyond email marketing to include SMS marketing, chat, CRM, and more.​

In 2023, the company rebranded to Brevo to reflect its broader range of services and commitment to building stronger customer relationships.​

Key Features	AI-generated subject lines Email copy suggestions Multichannel marketing integration (email, SMS, WhatsApp)
Price in SGD	Free plan available; paid plans starting from approximately SGD 35/month (converted from EUR; actual pricing may vary based on exchange rates)​
Pros	Comprehensive multichannel marketing tools​ Affordable pricing plans​ User-friendly interface​
Cons	Limited advanced features on lower-tier plans​ Customer support response times can vary

4. HubSpot

HubSpot was founded in 2006 by Brian Halligan and Dharmesh Shah at the Massachusetts Institute of Technology (MIT). The company introduced the inbound marketing concept, focusing on attracting customers through valuable content and experiences.​

Starting as a marketing automation platform, HubSpot has grown into a comprehensive CRM platform offering marketing, sales, customer service, and content management tools.​ HubSpot’s mission is to help businesses grow better by providing software that supports the entire customer journey.​

Key Features	AI content suggestions CRM-based personalisation Lead scoring
Price in SGD	Free plan available; paid plans starting from approximately SGD 70/month (converted from USD; actual pricing may vary based on exchange rates)​
Pros	Includes a comprehensive suite of marketing tools​ Seamless CRM integration​ Extensive educational resources​
Cons	Higher pricing for advanced features​ It can be complex for small businesses​

5. GetResponse

GetResponse was founded in 1998 by Simon Grabowski in Gdańsk, Poland. Initially launched as a simple autoresponder tool, it quickly became a comprehensive online marketing platform. Over the years, GetResponse has expanded its offerings to include email marketing, automation, landing pages, and webinars.​ With a global presence, GetResponse serves over 400,000 customers across 183 countries. 

The platform is available in multiple languages, catering to a diverse user base. Its commitment to innovation has positioned it as a leader in the email marketing industry. In 2023, GetResponse celebrated its 25th anniversary, marking a significant milestone in empowering businesses with practical marketing tools.​

Key Features	AI email content generator Predictive segmentation Behavioural targeting tools
Price in SGD	Starting from approximately SGD 22/month (converted from USD; actual pricing may vary based on exchange rates)​
Pros	Comprehensive marketing automation features​ User-friendly interface​ Strong customer support​
Cons	Limited customisation options on lower-tier plans​ Some advanced features may require a learning curve.​

6. Omnisend

Omnisend, launched initially as Soundest in 2014 by Rytis Lauris and Justas Kriukas, began as an email marketing platform tailored for e-commerce businesses. Recognising the evolving needs of online retailers, the company rebranded to Omnisend in 2017 and expanded its services to include SMS marketing and automation.​

Headquartered in London, with additional offices in the U.S. and Lithuania, Omnisend has grown to serve over 100,000 customers worldwide. The platform is renowned for its user-friendly interface and robust integration capabilities with major e-commerce platforms.​

Operating without external funding, Omnisend has achieved significant milestones, including being listed among Europe’s fastest-growing companies and receiving accolades for its innovative marketing solutions.​

Key Features	AI subject line generator Advanced automation flows for e-commerce SMS integration
Price in SGD	Free plan available; paid plans starting from approximately SGD 25/month (converted from USD; actual pricing may vary based on exchange rates)​
Pros	Tailored for e-commerce businesses​ Seamless integration with platforms like Shopify and WooCommerce​ Comprehensive automation features​
Cons	Limited advanced features on the free plan​ SMS credits may incur additional costs​

7. MailerLite

MailerLite was established in 2010 to provide simple and effective email marketing solutions for small businesses. The company emphasises a user-friendly approach, catering to entrepreneurs and companies that require intuitive tools without a steep learning curve.

Over the years, MailerLite has expanded its offerings to include automation, landing pages, and website-building tools. It is a well-rounded solution for businesses looking to streamline their digital marketing efforts. It continues to focus on helping users optimise their email marketing campaigns with minimal complexity. The company’s philosophy revolves around making advanced marketing tools accessible to users without technical backgrounds. 

MailerLite has become popular worldwide among small businesses and entrepreneurs. Its straightforward interface and helpful customer support make it a great choice.

Key Features	AI-powered subject line generator Predictive send timing Smart automation builder
Price in SGD	Free plan available; paid plans starting from approximately SGD 15/month (converted from USD; actual pricing may vary based on exchange rates)
Pros	Affordable pricing with a flexible free plan User-friendly interface ideal for beginners Wide range of templates and design options
Cons	Limited features on the free plan Basic customer support on lower-tier plans A smaller selection of integrations compared to more premium tools

8. Zeta Global

Zeta Global was founded in 2007 by David A. Steinberg and John Sculley, the former CEO of Apple. The company began as a digital marketing technology provider, focusing on using data-driven insights to enhance customer engagement and optimise marketing efforts. Through the years, Zeta has expanded its services to include AI-powered marketing automation, predictive analytics, and personalised campaign delivery. 

Their technology aims to help brands maximise the effectiveness of their marketing spend by providing real-time insights into customer behaviour. Zeta is known for integrating deep customer intelligence across multiple channels, ensuring brands can deliver timely, relevant, and personalised marketing campaigns. This robust data-driven approach has made Zeta a leader in AI-driven marketing solutions.

Key Features	AI-driven personalisation Real-time data analysis for campaign optimisation Cross-channel marketing automation
Price in SGD	Pricing upon request (usually customised based on business needs)
Pros	Advanced AI algorithms for predictive customer insights Comprehensive cross-channel marketing capabilities Scalable solutions for large businesses
Cons	Higher pricing; more suited for larger enterprises Complexity might overwhelm small companies or startups Limited free trial or demo available

9. Seventh Sense

Seventh Sense was founded to optimise email marketing send times using machine learning. The company uses behavioural data to determine the best time to send emails to each recipient, ensuring that emails are opened and acted upon at the optimal moment.

Their unique approach to send-time optimisation leverages deep learning models to improve based on historical data continuously. As a result, Seventh Sense helps businesses reduce email list fatigue and significantly increase engagement rates.

Seventh Sense partners with major email platforms, such as HubSpot, Marketo, and others, to seamlessly integrate its machine learning-based optimisations into existing workflow. This offers marketers a smarter way to deliver their messages to customers.

Key Features	Machine learning for optimal send times Behavioural insights for personalised campaigns Integration with major email platforms (HubSpot, Marketo, etc.)
Price in SGD	Pricing starts from approximately SGD 95/month (converted from USD; actual pricing may vary based on exchange rates)
Pros	Highly effective send-time optimisation using machine learning Easy integration with existing email platforms Increases open rates and engagement by optimising send times
Cons	Primarily suited for more extensive email lists, it may not be as beneficial for smaller businesses Premium pricing compared to other email marketing tools Limited functionality beyond send-time optimisation

10. Moosend

Moosend was founded 2011 by Yannis Psarras and Giorgos Papadopoulos to provide a powerful yet accessible email marketing platform. The company quickly gained traction for its user-friendly interface and robust automation features.

Moosend’s key differentiator is its ability to integrate AI-powered features that drive email marketing performance, including predictive analytics, dynamic content personalisation, and automated workflows that respond to real-time customer behaviour. The platform has grown to support various industries and businesses. It is committed to keeping costs affordable while delivering high-quality, automated marketing solutions.

Key Features	Predictive analytics Dynamic content personalisation Automated workflows
Price in SGD	Free plan available; paid plans starting from approximately SGD 15/month (converted from USD; actual pricing may vary based on exchange rates)
Pros	Affordable pricing with a flexible free plan Advanced automation features for marketing optimisation Ease of use for beginners and small businesses
Cons	Limited integrations compared to competitors Basic analytics for advanced users Relatively simple design templates compared to premium platforms

Criteria for Choosing the Right AI Email Tool

Choosing the right AI email marketing tool isn’t just about features—it’s about fit. You need a solution that can scale with your business, whether you’re just starting or expanding across Southeast Asia. Here are some key factors to consider when choosing an AI email automation solution:

Criteria	Why It Matters	Features to Look For
Scalability	Adapts to your business growth	Flexible pricing tiers High contact volume capacity
CRM & Tool Integration	Streamlined customer data and workflows	Connects with HubSpot, Salesforce, Shopify, and Google Analytics
Ease of Use	Speeds up adoption and execution	Drag-and-drop editor AI suggestions Pre-built workflows
Cost & Support	Ensures affordability and ongoing assistance	Transparent pricing Trial options 24/7 customer service
PDPA/GDPR Compliance	It avoids legal risks and builds customer trust	Data encryption Consent tracking Storage compliance

Quick Tips:

• Test different tools with free trials before committing.
• Prioritise integration if you’re already using marketing automation platforms.
• Ask about local support or regional data centres if handling large-scale Singaporean data.

Using the Best AI Tools for Email Marketing

Adopting AI tools for email marketing isn’t just about keeping up with trends—it’s about working smarter, not harder. With the right platform, you can personalise at scale, optimise your send times, and automate campaigns that drive actual business results. Whether you manage a lean startup or lead an established enterprise, choosing a tool that aligns with your marketing goals will give you a competitive edge.

If you’re ready to maximise your ROI but prefer to leave the tech setup and strategy to the pros, consider partnering with MediaOne. Our team specialises in tailored digital marketing solutions—so you can focus on growing your business while we handle the rest.

Contact MediaOne today to start using the best AI tools for email marketing and elevate your campaigns with expert support.

Frequently Asked Questions

What is the best time and day to send marketing emails?

Optimal send times can vary, but studies suggest that Tuesdays, Wednesdays, and Thursdays between 8–10 AM or 2–4 PM often yield higher engagement rates. However, you must test different times with your specific audience to determine what works best for your campaigns.

How can I prevent my emails from landing in the spam folder?

To avoid spam filters, ensure your email list comprises recipients who have explicitly opted in. Use a reputable email service provider, avoid spam-triggering words, and maintain a consistent sending schedule. Regularly cleaning your email list to remove inactive subscribers also helps maintain a good sender reputation.​

Is it practical to purchase email lists for marketing?

Purchasing email lists is generally discouraged. Such lists often contain unverified contacts, leading to low engagement rates and potential violations of privacy regulations like GDPR. Building your list through organic methods ensures higher-quality leads and better compliance. ​

How do I measure the success of my email marketing campaigns?

Key metrics include open rates, click-through rates, conversion rates, and unsubscribe rates. Monitoring these indicators helps assess the effectiveness of your content and strategy, allowing for data-driven adjustments to improve future campaigns. ​

What is permission marketing, and why is it important?

Permission marketing involves obtaining consent from individuals before sending them promotional emails. This approach respects user privacy, aligns with regulations like GDPR, and typically results in higher engagement rates since recipients have expressed interest in your communications.