9 Best AI Email Marketing Software for SaaS 2025

November 4, 2025
5 min read
Tazmeen

By Tazmeen

9 Best AI Email Marketing Software for SaaS 2025

Email marketing remains one of the highest-ROI channels for SaaS businesses, delivering an average return of $36 for every dollar spent. But managing personalized campaigns at scale, optimizing send times, and creating engaging content can consume hours of your team's time. That's where AI-powered email marketing platforms become game-changers. 

These tools leverage artificial intelligence to automate repetitive tasks, predict customer behavior, personalize content dynamically, and optimize campaigns in real-time.

1. Mailmodo

Mailmodo is an  AI-driven email marketing platform that revolutionizes how SaaS businesses engage with users by enabling interactive, AMP-powered emails. The platform uses artificial intelligence to create compelling email campaigns, build sophisticated customer journeys, and deliver intelligent performance insights. What sets Mailmodo apart is its ability to embed interactive elements directly within emails, allowing users to complete forms, take quizzes, book demos, or make purchases without leaving their inbox. 

Key Features

  • AI-Powered Content Generation: Create complete, branded email campaigns using AI that learns from your previous campaigns and adapts to your brand's tone and style.

  • Interactive AMP Emails: Embed forms, surveys, calendars, and CTAs directly in emails to eliminate friction and boost engagement rates.

  • Smart Campaign Optimization: AI recommends optimal send times, subject lines, and content variations to maximize open and engagement rates.

  • Intelligent AI- Segmentation: Automatically segment audiences based on behavior and engagement patterns to deliver personalized experiences.

Pricing: Free plan available with 10,000 emails/month to 1,000 contacts; Paid plans start at $49/month.

Best For: Product-led growth teams, SaaS startups, and companies looking to maximize in-email engagement and gather zero-friction user feedback.

2. ActiveCampaign

ActiveCampaign combines powerful email marketing with robust automation and CRM capabilities, making it a strong contender for SaaS businesses that need complex customer journey orchestration. The platform uses AI to enhance email personalization, predict customer behaviour, and automate sophisticated workflows that nurture leads and reduce churn with minimal manual intervention.

Key Features

  • Advanced Visual Automation Builder: Design complex "if-this-then-that" workflows with AI-powered recommendations for optimal customer journey paths.

  • Predictive Sending: AI analyzes engagement patterns to determine the best time to send emails to each subscriber.

  • AI-Powered Content Suggestions: Get intelligent recommendations for subject lines, email copy, and content that resonates with your audience.

  • Machine Learning Lead Scoring: Automatically score leads based on engagement behaviour to help sales teams prioritize high-intent prospects.

Pricing: Plans start at $29/month for 1,000 contacts (billed annually).

Best For: Mid-sized SaaS businesses with dedicated marketing resources who need complex automation to improve trial conversion and reduce churn.

3. Klaviyo

Klaviyo leverages machine learning and predictive analytics to help B2C SaaS and product-led companies create hyper-personalized email experiences based on user behaviour. The platform excels at turning customer data into actionable insights, making it ideal for SaaS products that rely heavily on usage data for segmentation.

Key Features

  • Behavioral Segmentation with AI: Create laser-focused segments based on product usage, feature adoption, page visits, and purchase behaviour.

  • Predictive Analytics: Uses machine learning to identify your most valuable customers and predict future purchases or churn risk.

  • AI-Powered Product Recommendations: Automatically suggest relevant products, features, or upgrades based on individual user behaviour.

  • Smart Send Time Optimization: AI determines the optimal send time for each subscriber to maximize engagement

Pricing: Free plan for up to 250 contacts; Paid plans start at $20/month based on contact count.

Best For: B2C SaaS apps, e-commerce-integrated SaaS platforms, and product-led growth companies where user behavior drives communication strategy.

4.​‍​‌‍​‍‌​‍​‌‍​‍‌ Encharge

Encharge is an AI-powered marketing automation platform designed exclusively for B2B SaaS businesses. It is behaviour-based and aims to respond to user behaviour in real-time, which makes it the perfect platform for sending onboarding sequences, trial nurturing, and churn prevention without the need for a development team.

Key Features

  • Real-Time Behavioural Triggers: AI follows the behavior of the user (pricing page visits, feature usage, trial upgrades) and automatically sends the most relevant emails at the perfect moment.

  • Smart User Journey Builder: The visual flow builder with AI suggestions for creating effective onboarding, nurture, and retention campaigns.

  • Predictive User Insights: AI detects patterns in the behavior of users and hence can predict the likelihood of upgrade, churn risk, and the best time for engagement.

  • Automated Segmentation: Dynamically segment users based on product usage and engagement without manual list management.

Pricing: There is a free plan that allows up to 100 contacts; Paid plans start at $49/month.

Best For: B2B SaaS companies that want smart automation without hiring developers, especially for onboarding and trial-to-paid ​‍​‌‍​‍‌​‍​‌‍​‍‌conversion.

5. Omnisend

Omnisend is an AI-driven email and SMS marketing software primarily created for e-commerce, but is growing in popularity with B2C SaaS businesses. The platform harnesses artificial intelligence to build personalized multi-channel campaigns, improve content, and predict customer behaviour with limited manual labour.

Key Features

  • AI Content Generator: Build full email campaigns from simple prompts, with the AI selecting your brand colors, fonts, and tone of voice.

  • AI Segment Builder: Describe your audience in simple terms (e.g., "users who haven't logged in for 30 days"), and the AI will automatically create segments for you precisely.

  • Smart Product Recommendations: AI analyzes browsing and buying behavior to insert personalized product or feature recommendations in each email.

  • Predictive Customer Insights: Identify high-value customers and people likely to churn with AI-powered churn prediction and customer lifetime value analysis.

Pricing: Includes a free plan for up to 250 contacts; Paid plans begin at $16/month.

Best For: B2C SaaS companies and businesses with subscriptions or e-commerce integration that need multi-channel marketing automation.

6. Customer.io

Customer.io is a customer engagement platform that uses AI to deliver precisely timed, behavior-driven messages across email, push, in-app, and SMS channels. Built for data-driven SaaS companies, it excels at creating sophisticated customer journeys that respond to real-time user actions rather than static schedules.

Key Features

  • AI-Powered Segmentation: Build complex audience segments using natural language AI translates your descriptions into precise targeting criteria.

  • Smart Send Time Optimization: AI determines the optimal time to send messages to each customer based on their engagement patterns.

  • AI Content Analysis: Get real-time feedback on email clarity, trustworthiness, and effectiveness before sending.

  • Behavioural Event Tracking: Automatically trigger campaigns based on user actions, with AI recommending the most effective message timing and content.

Pricing: Essentials plan starts at $100/month for up to 5,000 profiles.

Best For: Data-driven SaaS companies that need sophisticated behavioural email automation and real-time customer engagement across multiple channels.

7. Instantly.ai

Instantly.ai is an AI-powered cold email outreach platform designed for SaaS businesses focused on sales-driven growth. The platform combines email automation with AI optimization to maximize deliverability, increase response rates, and scale outbound campaigns efficiently.

Key Features

  • AI Email Content Writer: Generate personalized cold email sequences with AI that adapts to your prospects and value proposition.

  • Smart Deliverability Optimization: AI continuously monitors and optimizes email deliverability across unlimited connected accounts.

  • AI Response Categorization: Automatically categorizes and prioritizes responses using AI, so you focus on high-intent leads.

  • Predictive Campaign Optimization: AI tests and scales the best-performing email variations automatically to maximize conversion.

Pricing: Growth plan starts at $30/month for unlimited email accounts.

Best For: SaaS sales teams running high-volume cold email campaigns who need AI-driven optimization for deliverability and response rates.

8. Brevo (formerly Sendinblue)

Brevo is an affordable, AI-enhanced marketing platform that combines email marketing, SMS, CRM, and live chat in one solution. It's particularly attractive for SaaS startups and SMBs thanks to its pricing model based on emails sent rather than contact count, which can significantly reduce costs as your list grows.

Key Features

  • AI-Powered Send Time Optimization: Machine learning determines the best time to send emails to each subscriber for maximum engagement.

  • Smart Segmentation: AI analyzes customer behaviour and automatically creates segments based on engagement patterns and preferences.

  • Predictive Subject Line Scoring: AI evaluates subject lines and provides recommendations to improve open rates before sending.

  • AI-Driven Analytics: Get intelligent insights and recommendations on campaign performance with automated optimization suggestions.

Pricing: Free plan for up to 300 emails/day; Paid plans start at $25/month based on email volume.

Best For: SaaS startups and small-to-medium businesses looking for cost-effective, multi-channel marketing with strong AI features.

9. HubSpot Marketing Hub 

HubSpot Marketing Hub is a complete marketing automation platform with AI features built into email marketing, CRM, and data analytics. Instead of being simply a tool for email marketing campaigns, HubSpot is a complete marketing ecosystem that can be especially helpful for SaaS companies that want unified marketing and sales collaboration. 

Key Features

  • AI Content Assistant: create email copy, subject lines, and campaign ideas using an AI that learns your brand voice and your audience.

  • Predictive Lead Scoring: machine learning automatically scores leads according to behavioural factors and engagement, helping users prioritize follow-ups with the sales team. 

  • Smart Email Optimization: AI recommends the best times, subject lines, and varieties of content to send based on past performance.

  • AI-Powered Reporting: get intelligent insights on campaign performance, including automated recommendations for improvement during the customer journey. 

Pricing: Free plan (limited features available); Paid plan from $45/month. 

Best for: For growing SaaS companies that seek a unified marketing, sales, and service platform that offers AI-enhanced email marketing features. 

Final Thoughts

Choosing the right AI-powered email marketing platform can transform how your SaaS business connects with customers. The best tools use real AI, such as machine learning and predictive analytics, to boost engagement and results, not just automate tasks. When deciding, think about your goal, like product-led growth, B2B automation, or cold outreach. Pick the platform that fits your focus and integrates smoothly with your existing systems.

The ideal platform should scale with your business and feel easy for your team to use. Do not get lost in endless features. Prioritize the AI tools that truly save time and improve performance. Start with a free trial, test what works for your workflow, and choose a platform your team enjoys using. Consistent use and strong customer connections will drive lasting success.