For marketers who want automation without a monthly bill, the 2026 shortlist of free marketing automation platforms delivers. Starting with HubSpot’s CRM-packed free plan, the list also includes OneSignal’s generous push and email tier, Senja’s testimonial tool, plus Customer.io, Mailmodo, lemlist, Dub, Rewardful, PhantomBuster, and STORI. These picks offer either a genuine free plan or a robust free trial, making it possible to automate campaigns without upfront cost.
This list is for entrepreneurs, small teams, and budget-conscious marketers who need a reliable automation platform to start building relationships and driving conversions. Use the shortlist to compare free offerings, check limits, and find the tool that fits your channel mix—whether email, push, social, or affiliate.
How we picked these marketing automation platforms
We focused on platforms that provide a genuinely free plan or a no-cost entry point. Each candidate was evaluated for feature depth—such as email campaigns, CRM integration, and behavioral triggers—and the clarity of its pricing. Only products with a functional free tier or a substantial free trial made the cut. Reliability and ease of use were also key, ensuring that even the free versions deliver real automation value without hidden catches.
Related shortlists: 7 Best Free Landing Page Builders in 2026 and Top 5 Free Lead Generation Software in 2026.
Also worth a look: 7 Best Marketing Automation Platforms for Small Teams in 2026 and Top 10 Marketing Automation Platforms in 2026.
| Tool | Best for | Key features | Pricing | Free trial |
|---|---|---|---|---|
| HubSpot | teams that want a full CRM and marketing suite with a generous free plan | Marketing Hub, Smart automation, CRM-native | Free — $0/month for up to 2 users | Free plan |
| OneSignal | businesses that need to scale omnichannel messaging with a free tier | Omnichannel messaging, Massive scale, Smart segmentation | Free — $0/month with 10,000 monthly emails and unlimited mobile push up to 1,000 MAU | Free plan |
| Senja | marketers who want to collect and showcase customer testimonials for free | Testimonial collection, Wall of Love, AI case studies | Free — $0/month for 15 video and text testimonials | Free plan |
| Customer.io | teams that want data-driven, behavioral marketing automation | Omnichannel messaging, Behavioral triggers, Visual workflow builder | Essentials — for teams getting started with data-driven messaging | — |
| Mailmodo | marketers who want AI-powered interactive email campaigns | AI campaign agent, Interactive AMP emails, Automation journeys | Lite — $149/month billed annually | Free trial |
| lemlist | sales teams doing cold outreach with multichannel sequences | Verified lead lists, Multichannel sequences, Personalization at scale | Email — from $55/month billed annually | 14-day free trial |
| Dub | companies setting up affiliate programs with AI-generated landing pages | Partner program management, Branded link tracking, AI landing pages | Business — $90/month with $2.5K partner payouts/month | 14-day free trial |
| Rewardful | Stripe-based businesses that want automated affiliate commissions | Stripe-native tracking, Custom commission structures, Self-serve affiliate portal | Starter — $49/month for up to $7,500/month in affiliate-attributed revenue | 14-day free trial |
| PhantomBuster | teams that need no-code lead generation and scraping from social platforms | Lead generation Phantoms, Multi-platform scraping, No-code automations | Pricing on request | — |
| STORI | marketers who want AI-generated content and inbound channel strategies | AI marketing blueprints, Competitor and industry analysis, Campaign management | Pricing on request | — |
The best marketing automation platforms in 2026
Below are the top marketing automation platforms that start with a free plan or trial. Each entry highlights what the free tier includes and where paid plans begin.
1. HubSpot
Grow better with HubSpot
HubSpot is best for: teams that want a full CRM and marketing suite with a generous free plan
HubSpot offers a free plan with email, landing pages, forms, and SEO tools, all synced with its free CRM. Paid plans start at $7 per month. It’s ideal for growing businesses that need a unified view of contacts and campaigns.
Key HubSpot features
- Marketing Hub — email, landing pages, forms and SEO tools in one suite
- Smart automation — multi-step workflows triggered by contact behavior
- CRM-native — every campaign syncs with HubSpot's free CRM
- AI content tools — draft emails, blogs and ad copy from a prompt
- Reporting dashboards — attribution and ROI tracked across every channel
HubSpot pricing
- Free — $0/month for up to 2 users
- Starter — from $7/month per seat with 1,000 marketing contacts
- Professional — from $800/month with advanced automation
- Enterprise — from $3,600/month with governance features
- Free trial: Free plan
2. OneSignal
The most widely used customer engagement solution
OneSignal is best for: businesses that need to scale omnichannel messaging with a free tier
OneSignal provides a free plan with 10,000 monthly emails and unlimited mobile push for up to 1,000 monthly active users. Paid plans start at $19 per month. It’s built for high-volume push notifications and engagement.
Key OneSignal features
- Omnichannel messaging — push, in-app, SMS and email from one dashboard
- Massive scale — built to reliably send over 10 billion messages a day
- Smart segmentation — targets users by behavior, location or custom data
- A/B testing — compares message variants to improve engagement automatically
- Broad SDK support — works across iOS, Android, web and major app frameworks
OneSignal pricing
- Free — $0/month with 10,000 monthly emails and unlimited mobile push up to 1,000 MAU
- Growth — from $19/month with added automation and analytics
- Professional — custom annual pricing with advanced marketing tools
- Enterprise — custom annual pricing with dedicated SLAs
- Free trial: Free plan
3. Senja
Collect, manage, and share customer testimonials.
Senja is best for: marketers who want to collect and showcase customer testimonials for free
Senja offers a free plan for up to 15 video and text testimonials. Paid plans start at $29 per month. It’s perfect for building social proof with a Wall of Love and AI case studies.
Key Senja features
- Testimonial collection — video and text requests via a simple link or form
- Wall of Love — embeddable testimonial walls for any website
- AI case studies — turns raw testimonials into polished case studies
- Social clips — exports testimonials as ready-to-post video clips
- Zapier integration — pushes new testimonials into other marketing tools
Senja pricing
- Free — $0/month for 15 video and text testimonials
- Starter — $29/month with unlimited testimonials and 3 forms
- Pro — $59/month with unlimited forms and team access
- Free trial: Free plan
4. Customer.io
More impact from every message, across every channel.
Customer.io is best for: teams that want data-driven, behavioral marketing automation
Customer.io triggers campaigns based on real-time customer behavior across email, SMS, and push. Its visual workflow builder and built-in AI personalize at scale. Pricing starts with Essentials (price on site) and scales to enterprise.
Key Customer.io features
- Omnichannel messaging — email, SMS, push and in-app from one workflow
- Behavioral triggers — campaigns fire off real-time customer data
- Visual workflow builder — branching journeys without engineering help
- Built-in AI — personalizes send times and content at scale
- Enterprise-grade delivery — trusted by 9,000+ brands including Notion and Cursor
Customer.io pricing
- Essentials — for teams getting started with data-driven messaging
- Standard — for teams scaling across channels with custom workflows
- Premium — adds custom execution skills and dedicated support
- Enterprise — custom pricing with dedicated infrastructure
5. Mailmodo
Complete email marketing automation with AI agents.
Mailmodo is best for: marketers who want AI-powered interactive email campaigns
Mailmodo lets you create AMP emails with forms and carts inside the inbox, plus an AI campaign agent. It starts with a 14-day free trial and paid plans from $149 per month. Great for boosting conversion without extra landing pages.
Key Mailmodo features
- AI campaign agent — plan, draft and launch a campaign from a single prompt
- Interactive AMP emails — forms, surveys and carts work right inside the inbox
- Automation journeys — behavior-based email sequences without manual setup
- Built-in analytics — track opens, conversions and revenue per campaign
- Team collaboration — shared workspace for marketers managing multiple sends
Mailmodo pricing
- Lite — $149/month billed annually
- Pro — $199/month billed annually
- Max — custom pricing
- Free trial: Free trial
6. lemlist
The cold outreach tool that helps you get replies
lemlist is best for: sales teams doing cold outreach with multichannel sequences
lemlist combines email, LinkedIn, and calls in one campaign with personalization at scale. It offers a 14-day free trial and paid plans from $55 per month. Ideal for outbound teams that need verified leads and deliverability tools.
Key lemlist features
- Verified lead lists — build prospect lists with validated email addresses
- Multichannel sequences — combine email, LinkedIn and calls in one campaign
- Personalization at scale — merge custom text, images and video into every send
- Deliverability tools — warm-up and health checks to keep replies landing in the inbox
- Campaign analytics — track opens, replies and booked meetings per sequence
lemlist pricing
- Email — from $55/month billed annually
- Multichannel — from $87/month billed annually
- Enterprise — custom pricing
- Free trial: 14-day free trial
7. Dub
The modern partner growth engine
Dub is best for: companies setting up affiliate programs with AI-generated landing pages
Dub manages partner programs, branded link tracking, and automated payouts. It has a 14-day free trial and paid plans from $90 per month. Perfect for teams that want an API-first affiliate system.
Key Dub features
- Partner program management — recruit, approve and pay affiliates in one place
- Branded link tracking — short links with click and conversion analytics
- AI landing pages — auto-generates a partner program page
- Reward automation — set commission structures that pay out on autopilot
- API-first — built for teams that want partner data in their own stack
Dub pricing
- Business — $90/month with $2.5K partner payouts/month
- Advanced — $300/month with $15K partner payouts/month
- Enterprise — custom annual billing
- Free trial: 14-day free trial
8. Rewardful
Turn your biggest fans into your best marketers!
Rewardful is best for: Stripe-based businesses that want automated affiliate commissions
Rewardful calculates commissions directly from Stripe billing with custom structures and self-serve portals. It offers a 14-day free trial and paid plans from $49 per month. Great for turning customers into referral partners.
Key Rewardful features
- Stripe-native tracking — affiliate commissions calculated straight from Stripe billing
- Custom commission structures — percentage, flat-fee or tiered rewards
- Self-serve affiliate portal — partners track clicks and payouts themselves
- Coupon and referral links — multiple ways for affiliates to drive signups
- Automated payouts — handles affiliate payments without manual spreadsheets
Rewardful pricing
- Starter — $49/month for up to $7,500/month in affiliate-attributed revenue
- Growth — $99/month for up to $15,000/month in affiliate-attributed revenue
- Enterprise — from $149/month for up to $30,000/month in affiliate-attributed revenue
- Free trial: 14-day free trial
9. PhantomBuster
PhantomBuster opens a new era of lead generation.
PhantomBuster is best for: teams that need no-code lead generation and scraping from social platforms
PhantomBuster automates prospecting on LinkedIn, Instagram, and more with pre-built Phantoms. Pricing is available on request. It’s best for small teams wanting to run prospecting without developers.
Key PhantomBuster features
- Lead generation Phantoms — automate prospecting on LinkedIn and Sales Navigator
- Multi-platform scraping — pulls data from Instagram, Facebook and X as well
- No-code automations — pre-built workflows need no scripting
- CRM-ready exports — clean contact lists ready to import
- Cloud scheduling — automations run on autopilot without a laptop open
PhantomBuster pricing
- Pricing on request
10. STORI
AI building your inbound channels
STORI is best for: marketers who want AI-generated content and inbound channel strategies
STORI uses AI to build content strategies, research competitors, and manage campaigns. Pricing is published on the vendor’s site. It’s suited for teams serious about growing organic channels.
Key STORI features
- AI marketing blueprints — generates a CMO-level content strategy from scratch
- Competitor and industry analysis — benchmarks a brand's content against the market
- Campaign management — plans and schedules inbound content from one workspace
- End-to-end workflow — covers ideation through publishing in a single tool
- Inbound-channel focus — built specifically to grow organic marketing channels
STORI pricing
- Pricing on request
Which marketing automation platforms should you choose?
If you need a full CRM and marketing suite at no cost, HubSpot is the top pick. For scaling push notifications and email, OneSignal offers a generous free tier. When collecting testimonials, Senja gives you a free plan for up to 15 pieces of social proof. For data-driven customer journeys, Customer.io is powerful and starts with an Essentials plan. Teams that want interactive emails with AI should try Mailmodo, while cold outreach specialists will appreciate lemlist’s multichannel sequences.
For affiliate marketing, Dub offers an API-first partner platform, and Rewardful integrates directly with Stripe. Small teams doing lead generation can rely on PhantomBuster for no-code scraping, and content marketers aiming to grow inbound channels should explore STORI’s AI-driven strategy tools. Each of these platforms delivers genuine value in its free or trial form, letting you automate marketing without committing to a paid plan right away.
