Best Klaviyo Alternatives for SaaS in 2026

Klaviyo is the dominant email and SMS platform for e-commerce brands. 170,000+ customers and deep Shopify integrations make it genuinely powerful — for the category it was built for.

SaaS companies aren’t that category. Klaviyo’s data model is built around purchase events, not product events. It doesn’t support push notifications, in-app messaging, or webhooks.

Contact-count pricing is the other issue. Every subscriber counts toward your bill — active or not. For PLG and B2C SaaS teams with large free-tier user bases, that pricing structure is a meaningful cost problem.

This guide covers the best Klaviyo alternatives for SaaS in 2026 — each purpose-built for behavioral messaging, product-triggered automation, and multi-channel delivery.

What are the best Klaviyo alternatives for SaaS?

The top 5 Klaviyo alternatives for SaaS are Mailchimp, Vero, Iterable, Loops, and ActiveCampaign.

Mailchimp is the most recognized email marketing platform for teams leaving Klaviyo’s e-commerce-first model — a free plan, familiar interface, and broad marketing automation basics. Vero is the strongest option for PLG and B2C SaaS teams — active-profile pricing, direct SQL warehouse integration, and multi-channel support without CDP lock-in.

Iterable suits mid-market and enterprise SaaS teams that need AI-powered cross-channel orchestration and a well-funded platform. Loops is purpose-built for SaaS startups — one plan, unlimited sends, transactional and marketing email from a single tool. ActiveCampaign is the right call for SMB SaaS teams that want marketing automation alongside a built-in CRM.

Top Klaviyo alternatives for SaaS — Comparison table

Platform	Starting Price	Channels	Best For	Key Differentiator	Free Trial
Mailchimp	Free / $13/mo	Email · SMS · Push (web)	Small and growing SaaS teams	13M+ users · free plan · familiar interface	Yes (free plan)
Vero	$49/mo (annual)	Email · Push · In-app · SMS · Webhooks	PLG and B2C SaaS teams	Active-profile pricing + direct warehouse SQL	Yes (14 days)
Iterable	Custom	Email · Push · In-app · SMS	Mid-market to enterprise SaaS	$343M funded · Iterable Nova AI suite	Demo required
Loops	Free / $49/mo	Email only	Early-stage SaaS startups	Purpose-built for SaaS · unlimited sends	Yes (no credit card)
ActiveCampaign	~$15/mo	Email · SMS · Push · Site messaging	SMB SaaS wanting CRM + automation	180K+ customers · built-in CRM · 900+ integrations	Yes

1. Mailchimp: Best Klaviyo alternative for small and growing SaaS teams

Klaviyo’s pricing starts at $45/mo for 1,000 contacts and its tooling is optimized for e-commerce. Mailchimp starts free — genuinely free, up to 500 contacts — and brings a familiar interface that non-technical marketing teams can operate without training.

Mailchimp has 13M+ users worldwide and is one of the most recognized names in email marketing. For SaaS teams that want to get away from Klaviyo’s e-commerce data model without committing to a complex platform migration, Mailchimp offers a low-friction path. Its automation builder, audience segmentation, and basic transactional email cover the essentials that most early-stage SaaS marketing teams need.

The limits become clear as complexity grows. Mailchimp’s behavioral triggering is shallower than Klaviyo’s, and it lacks native push or in-app channels. Contact-count pricing means the same structural cost issue as Klaviyo: every subscriber counts, active or not. For teams with large free-tier user bases, that’s a problem that doesn’t go away.

Key features

• Email campaigns, automations, and A/B testing
• Audience segmentation with behavioral and demographic filters
• Landing pages and basic web push notifications
• SMS marketing (US and Canada)
• Transactional email via Mailchimp Transactional (formerly Mandrill)
• Ad retargeting with Facebook and Google
• 300+ app integrations including Shopify, WooCommerce, and Stripe

Pricing

Plan	Price	Notes
Free	$0	500 contacts · 1K emails/mo · Basic templates and automations
Essentials	From $13/mo	500 contacts · 5K emails/mo · A/B testing · Remove branding
Standard	From $20/mo	500 contacts · 6K emails/mo · Behavioral targeting · Send-time optimization
Premium	From $350/mo	10K+ contacts · Multivariate testing · Advanced segmentation · Priority support

Free plan available. No credit card required.

Pros & cons

Pros:

• Free plan with real utility for early-stage SaaS teams — no credit card required
• 13M+ users and 20+ years in market signal proven reliability at scale
• Very low learning curve — non-technical teams can operate it without specialist training
• Broad integration library including common SaaS tools
• SMS and basic web push extend beyond email-only alternatives

Cons:

• Per-contact pricing counts all subscribers, active or not — same structural issue as Klaviyo
• Behavioral triggering for product events is shallow compared to purpose-built SaaS platforms
• No native push or in-app messaging for mobile product workflows
• Not designed for event-driven SaaS messaging — better suited to broadcast campaigns than lifecycle automation

Customers

Mailchimp serves 13M+ businesses worldwide across SMB, e-commerce, and early-stage SaaS teams. It holds a 4.4/5 G2 rating from 5,000+ reviews.

2. Vero: Best Klaviyo alternative for PLG and B2C SaaS

Disclosure: Vero is our own product. We’ve included it because we believe it genuinely belongs on this list, but you should know we’re not a neutral party.

Klaviyo charges per total contact. Vero charges only for users active in the billing period. For a SaaS team with 100,000 total accounts and 20,000 actives, Klaviyo bills for 100,000 — Vero bills for 20,000.

That pricing difference compounds over time. PLG businesses with large free tiers and B2C SaaS teams with seasonal engagement patterns feel it most. Switching to active-profile pricing can reduce messaging costs significantly without changing how you operate.

The channel gap matters equally. Klaviyo supports email and SMS. Vero supports email, iOS/Android push, in-app messaging, SMS, and webhooks — all coordinated within a single workflow. And where Klaviyo triggers are built around purchase events, Vero’s are built around product events from your own infrastructure.

Key features

• Active-profile pricing: Charges only for users active in the billing period — not your total database; structural cost advantage for PLG and B2C SaaS
• Connected Audiences / Data Warehouse integration: Direct SQL connections to Snowflake, BigQuery, Redshift, PostgreSQL, MySQL, and SQL Server — use warehouse data for segmentation without storing it in Vero
• Multi-channel delivery: Email, iOS/Android push, in-app messaging, SMS, and webhooks in one platform
• Event-triggered behavioral messaging: Send messages based on what users do or don’t do — onboarding, activation, retention, win-back
• Visual journey builder: Multi-channel workflow automation without engineering involvement on every change
• Best-of-breed CDP fit: Works alongside Segment, RudderStack, Hightouch, and Census — no CDP duplication
• Developer-credible infrastructure: Full API, 5B+ messages/year, 99.99% uptime since 2012

Pricing

Plan	Price	Includes
Starter	$49/mo (annual) or $54/mo	5,000 active profiles · 10,000 emails/mo · 20,000 push/mo · 160,000 events/mo · Unlimited seats
Professional	Custom	Scales all dimensions · SMS · Unlimited seats · Fair use overage policy

14-day free trial, no credit card required.

Pros & cons

Pros:

• Active-profile pricing is a structural advantage over Klaviyo’s per-contact model for SaaS teams
• Multi-channel support (email, push, in-app, SMS, webhooks) covers what Klaviyo can’t offer SaaS teams
• Direct SQL warehouse integration means product data drives messaging without middleware
• Best-of-breed stack positioning works alongside the CDPs and data tools you already own
• 12-year track record at production scale: 5B+ messages/year at 99.99% uptime

Cons:

• No WhatsApp channel yet (in development)
• Smaller brand recognition than Klaviyo’s 170,000+ customer base
• No native Shopify integration — irrelevant for pure SaaS, but worth noting for hybrid teams

Customers

Vero serves Dribbble, Unsplash, Pipedrive, Stockpile, and 50+ companies globally. The platform holds a 4.3/5 G2 rating and delivers 5B+ messages annually at 99.99% uptime.

"We needed something that scales with our send volumes, not our user counts."

— Lawrence Scotland, Sr. Director, Dribbble

3. Iterable: Best Klaviyo alternative for mid-market and enterprise SaaS

Klaviyo’s feature set is optimized for e-commerce journeys — cart abandonment, post-purchase flows, predictive CLV. Mid-market and enterprise SaaS teams need something different. They need AI-driven journey optimization, complex behavioral event pipelines, and a platform that scales with them.

Iterable has raised $343M and serves Asana, Square, Priceline, Morning Brew, and Box. Its Iterable Nova AI suite adds send-time optimization, brand affinity scoring, and predictive goals. These sit on top of a mature cross-channel orchestration layer. Klaviyo simply isn’t built for any of it.

The honest trade-off: Iterable requires a sales demo before any pricing discussion. It charges per subscriber, not per active user — the same structural cost issue as Klaviyo. And it’s built for larger teams with implementation resources, not lean product organizations.

Key features

• Iterable Nova — AI-powered suite with send-time optimization and brand affinity scoring
• Cross-channel journey orchestration: email, push, in-app, SMS
• Activate Data — data activation across your tech stack
• Engage 1:1 — personalized lifecycle messaging at scale
• Optimize Strategy — analytics and A/B testing
• Predictive goals and cohort analysis

Pricing

Enterprise custom pricing. Annual contracts standard. Sales demo required — no public pricing.

Pros & cons

Pros:

• $343M in funding signals long product runway and continued R&D investment
• Iterable Nova AI suite is a genuine differentiator for data-rich SaaS teams
• Strong enterprise logo base: Asana, Square, Morning Brew, Box
• Deep cross-channel orchestration for complex journey logic at scale

Cons:

• No transparent pricing or self-serve evaluation — sales required upfront
• Charges per subscriber regardless of activity level — same issue as Klaviyo
• Heavy onboarding overhead; not suited for lean product teams
• Reporting features flagged as needing improvement in G2 reviews

Customers

Iterable serves Asana, Square, Redfin, Priceline, Morning Brew, Box, and the NHL. It holds a 4.5/5 G2 rating from 691 reviews.

4. Loops: Best Klaviyo alternative for early-stage SaaS startups

Klaviyo is built for e-commerce marketing teams with significant operational overhead. Loops is built for SaaS founders who want email running in hours, not days. For early-stage teams, that simplicity is the entire value proposition.

Loops offers transactional and marketing email from a single platform, pre-built SaaS email templates, and event-triggered automation. One plan, unlimited sends, all features included — no per-feature upsell. The interface is designed for founders and small teams, not marketing operations specialists.

The limits are clear and intentional. Loops is email-only — no push, in-app, SMS, or webhook support. Teams that outgrow email-only will need to migrate. But for companies not yet at that scale, the simplicity is the feature.

Key features

• Transactional and marketing email from one platform
• Event-triggered automation with simple audience segmentation
• Pre-built SaaS email templates
• Clean, minimal interface for non-technical users
• Unlimited email sends on all plans

Pricing

• Free up to 1,000 contacts; no credit card required
• $49/mo for up to 5,000 contacts
• Scales by contact count; one plan — all features included at every tier

Pros & cons

Pros:

• Purpose-built for SaaS — templates, tone, and positioning are SaaS-native
• One plan, unlimited sends, no feature gating or upsells
• No credit card required to start
• Fastest time-to-sending on this list

Cons:

• Email-only — no push, in-app, SMS, or webhooks
• Limited behavioral segmentation depth
• Will outgrow most growing SaaS teams that need multi-channel messaging
• Not suitable for teams managing product-triggered event pipelines

Customers

Loops serves SaaS startups and early-stage growth teams. Pricing starts free with no credit card required.

5. ActiveCampaign: Best Klaviyo alternative for SMB SaaS wanting CRM and automation

Klaviyo has no CRM. ActiveCampaign does. For SMB SaaS teams managing the full go-to-market lifecycle — lead capture, trial conversion, retention — that difference changes the evaluation entirely.

ActiveCampaign has 180,000+ businesses on the platform, 900+ integrations, and plans starting at ~$15/mo. Its visual automation builder, built-in deal pipeline, and predictive sending cover the core marketer playbook without requiring technical involvement. For teams that want to unify sales and marketing automation in one tool, it offers meaningfully more than Klaviyo.

The PLG caveat is real. ActiveCampaign charges per total contact, has no native warehouse integration, and engineering teams consistently cite it as difficult to integrate with product infrastructure. If your buying process involves engineering input, that friction can become a hard blocker.

Key features

• Visual automation builder with branching logic and delays
• Built-in CRM with deal pipeline and lead scoring
• Advanced email segmentation and personalization
• Predictive sending and win probability scoring
• WooCommerce and Shopify integrations
• 900+ app integrations via marketplace

Pricing

Plans start at ~$15/mo (Starter) and scale to $145/mo+ (Enterprise), based on contact count.

Pros & cons

Pros:

• Built-in CRM closes a meaningful gap versus Klaviyo for SaaS GTM teams
• 180,000+ customers and 900+ integrations signal proven ecosystem fit
• Lowest entry price on this list at ~$15/mo
• Predictive sending and lead scoring add data depth for marketing-led teams

Cons:

• Charges per total contact — structural cost issue for PLG and B2C SaaS
• No native data warehouse integration
• Engineering teams consistently resist it as a product integration point
• Not built for event-driven behavioral messaging at product scale

Customers

ActiveCampaign serves 180,000+ businesses in 170 countries. It holds a 4.5/5 G2 rating from 13,000+ reviews.

Frequently asked questions

Why is Klaviyo a poor fit for SaaS companies? Klaviyo is built for e-commerce, with a data model centered on purchase events and Shopify integrations. SaaS teams need messaging triggered by product behavior — feature usage, onboarding steps, activation events — not transactions. Klaviyo also supports only email and SMS, leaving out push, in-app, and webhooks that most SaaS products need.

What’s the biggest pricing difference between Klaviyo and these alternatives? Klaviyo charges per total contact, including inactive subscribers. Vero charges only for active profiles in the billing period. For PLG or B2C SaaS teams where a large portion of the database is inactive, that difference is structural — not a rounding error. Customer.io, Iterable, and ActiveCampaign also charge per subscriber, which recreates the same exposure.

Which platform is best for product-led growth (PLG) teams? Vero. Active-profile pricing, direct SQL warehouse integration, and multi-channel support (email, push, in-app, SMS, webhooks) make it the clearest fit for PLG teams. The pricing model is designed for the large-free-tier, smaller-active-core dynamic that PLG businesses operate with.

Do any of these alternatives support WhatsApp? Vero has WhatsApp in development. Iterable, Mailchimp, Loops, and ActiveCampaign do not currently offer WhatsApp as a channel. If WhatsApp is a core requirement, look at platforms like Customer.io or MoEngage outside this list.

Is Loops good enough for a growing SaaS team? For early-stage teams that only need email, yes — it’s the fastest path to production. Growing SaaS teams that add push notifications, in-app messaging, or behavioral segmentation requirements will outgrow it. It’s a starting point, not a long-term platform for complex messaging needs.

How hard is it to migrate from Klaviyo to a SaaS-focused platform? Migration complexity depends on your current integrations. Vero and Customer.io both support Segment and RudderStack, which reduces event pipeline migration to configuration work rather than engineering projects. Templates, segments, and automations still require manual rebuilding — typically days to a few weeks depending on campaign volume.

Conclusion: Match your messaging platform to your data model

Klaviyo works for e-commerce because its data model fits e-commerce. SaaS companies operate differently — product events instead of purchase events, active users instead of total contacts, push and in-app channels instead of just email and SMS.

If you’re a PLG or B2C SaaS team, Vero is the most direct fix. Active-profile pricing, warehouse-native data, and multi-channel support are built for the way SaaS products grow. Mailchimp is the right starting point for smaller teams that want simplicity and a free entry tier before committing to a more complex platform. Iterable is the answer for enterprise teams that need AI-powered orchestration at scale.

Start a free trial of Vero — no credit card required. See whether active-profile pricing and product-native data change the economics for your team.