Klaviyo alternatives for SaaS and subscription businesses (2026)
If your business is a subscription rather than a store, the strongest Klaviyo alternatives are Customer.io, Brevo, ActiveCampaign, and Loops, plus fromHello in early access. Klaviyo is ecommerce-first and very good at it. You leave for two reasons: orders, products, and carts stop being the spine of your data model, and the meter counts every active profile.
- Klaviyo's meter is the active profile, which its help center defines as any profile that can be emailed through Klaviyo regardless of consent status. A product that creates an account for everyone who signs up pays for everyone who signs up. Klaviyo publishes no tier price either: paid tiers render in a client-side calculator, and the widely cited figure of about $20/mo at 251 to 500 active profiles is secondary, not published.
- The four alternatives bill four different ways: Customer.io per profile, ActiveCampaign per contact band, Loops per subscribed contact, and Brevo by monthly email volume. Pick the meter that matches how your product creates accounts.
- The migration cost sits in the events, not the emails. Abandoned cart, browse abandonment, and post-purchase have no equivalent without orders; you rebuild them as trial expiry, activation, and expansion.
- The loss that surprises teams is reporting, not features. Budget time to rebuild cohort and retention analysis, not just the flows.
Klaviyo is built around a store. The data model starts with orders, products, and carts, the flows library assumes a checkout, and the predictive models are trained on purchase history. For a DTC brand, that is close to ideal. For SaaS and B2B, the shape stops fitting. A subscription is not an order. A seat is not a product. A trial that expires is not an abandoned cart. Model MRR as revenue per order and you spend the next year translating. Then there is the bill: Klaviyo charges on active profiles, defined in its own help center as any profile that can be emailed through Klaviyo, whatever its consent status. A free tier that mints an account for every signup mints a billable profile with it, whether or not anyone ever sends to it. That is the moment the meter stops paying for itself. Klaviyo shipped its own agents in 2026 — Composer for campaign generation, Customer Agent for service — so this is not a page about who has AI. It is about whose data model fits.
Four criteria, in this order. The billing meter, and whether it counts people your product creates but rarely emails. Whether the data model carries subscriptions, accounts, and seats without a workaround. Channel parity with Klaviyo, whose SMS is genuinely strong. And how much of your existing flow library survives the move. Order on this page is use-case fit, not preference. If you sell physical products, none of this applies and the honest advice is to stay on Klaviyo; our Klaviyo head-to-head covers that case. Vendor facts were checked against primary sources on 10 August 2026 — pricing pages, help centers, and changelogs. We build fromHello, so it is listed last and held to the same standard, early-access caveat included.
- 01Customer.ioProprietary (SaaS)
Best for: The closest like-for-like swap on channels, and the only tool here with a real object model, so B2B accounts stop pretending to be shoppers.
Strengths- Objects, not just people. Essentials includes two object types, so accounts, workspaces, and subscriptions are first-class records rather than custom properties bolted onto a shopper profile.
- Channel coverage holds up against what you had: email, SMS through Twilio, Sinch, Infobip, or Vonage since July 2026, mobile and web push, in-app, WhatsApp, and ad-audience sync to Meta and Google. The Agent works over the same surface, creating automations and drafting email with an approval step before it acts.
- If you have raised under $10M, the Startup Program is a full year free, which turns the per-profile meter into a next-year problem rather than a switching cost.
Watch-outs- It bills per profile, exactly as Klaviyo does. Moving fixes the data model, not the meter: additional profiles run $0.009 each and extra email is $0.12 per thousand on top.
- No permanent free plan. The pricing page puts Essentials at $100/mo to start, and that buys 5,000 profiles and 1 million emails a month before the overage rates apply.
- Closed-source and cloud-only, in a US or EU region, and AI usage is metered on top of the plan: LLM actions bill at $10 per 100,000 credits.
- 02BrevoProprietary (SaaS)
Best for: Teams whose Klaviyo bill was mostly profiles they never emailed, and who need SMS and WhatsApp to come across intact.
Strengths- The meter changes shape. Brevo bills by monthly email volume rather than by contact, and contact storage is a cap, so the dormant profiles that pushed your Klaviyo tier up cost nothing to keep.
- A real free tier at 300 emails per day, then $9/mo on Starter and $18/mo on Standard. That is the softest landing on this list for a team walking away from a per-profile bill.
- Native SMS to 180+ countries and native WhatsApp campaigns, so the two channels most likely to hold you on Klaviyo survive the move.
Watch-outs- The ladder has a cliff. Standard is $18/mo and Professional is $499/mo, and features like AI segmentation and the plain-language data analyst sit on Professional and above.
- Brevo's predictive scores — churn risk, customer lifetime value, and purchase count, shipped May 2026 — require ecommerce data, so they do not fill the gap a SaaS leaves behind.
- SMS and WhatsApp are sold as separate credits priced by destination country, and push is gated by tier: web push volume scales with the plan and mobile push sits on Professional and above.
- 03ActiveCampaignProprietary (SaaS)
Best for: SaaS and B2B teams whose replacement for cart flows is a sales motion — lead scoring, pipeline, and follow-up sitting beside lifecycle email.
Strengths- Branching logic goes deeper here than anywhere else on this list, and it ships with a light sales CRM, which matters when the purchase is a demo, a trial, and a signature rather than a checkout.
- Pricing is published rather than calculated: $15/mo at 1,000 contacts on annual billing, $19/mo monthly, with the whole ladder published at that same band — Plus $49/mo, Professional $79/mo, Enterprise $145/mo.
- Ad-audience entitlements for Meta, Google, LinkedIn, and TikTok, and Active Intelligence, the AI layer, for content generation, suggested segments, and campaign reporting.
Watch-outs- SMS and WhatsApp are metered add-ons rather than part of the contact price. If Klaviyo's SMS was load-bearing, this is a packaging downgrade even though the channels exist.
- There is no native push channel, so Klaviyo's mobile push has no ActiveCampaign equivalent without bringing in a separate vendor, and Site messages start at Professional.
- Billing is per contact band with seats layered on top — one seat on Starter and Plus, three on Professional. The unengaged-contact problem you left Klaviyo over arrives under a different name.
- 04LoopsProprietary (SaaS)
Best for: Product-led SaaS teams dropping SMS entirely — the one tool here whose meter ignores everyone who never subscribed.
Strengths- Billing counts subscribed contacts only. Someone who signs up, receives transactional email, and never opts into marketing is not on the bill, which is precisely the person Klaviyo's active-profile definition charges for.
- Free to 1,000 contacts and 4,000 sends per 30 days, then $49/mo at 5,000 contacts, with sending not metered separately and team seats not charged.
- Goals attach a conversion target to a campaign — contacts whose plan changes to paid within 14 days, for instance — which is what revenue attribution looks like when there is no order to attribute to.
Watch-outs- Email only: marketing and transactional, no SMS, no push, no in-app, no ad-audience sync. That is a deliberate scope rather than a roadmap gap, and it rules Loops out if any of those matter.
- No predictive scoring, no benchmarks, no ecommerce reporting. You are trading analytical depth for a smaller, faster tool.
- Its AI story points outward: a CLI, agent Skills, and content and campaign APIs so your own coding agents can drive Loops. The MCP server was still listed as not yet released when we checked on 10 August 2026.
- 05
Best for: Small SaaS teams who want the growth work done rather than the tooling to do it, and who can wait for early access.
Strengths- Eight AI specialists — Growth Lead, Growth PM, Growth Engineer, Performance Marketer, Lifecycle Marketer, CRO Specialist, Data Analyst, and Copywriter — coordinated by an Orchestrator. They propose; you approve, edit, or auto-ship.
- A complete platform underneath: email, SMS, in-app, web push, ad audiences, a 16-node visual journey builder, real-time segments, GDPR consent tracking, and a first-party JS/TS SDK.
- AGPL and self-hostable on Postgres + Redis. Self-hosting is free and keeps customer data on your infrastructure — you remain the data controller either way.
Watch-outs- The hosted product and the agents are in early access, and hosted pricing is announced at general availability. Every other tool on this page is generally available today with a bill you can model now, and that asymmetry is the main reason to pick one of them instead.
- Nothing here matches Klaviyo on ecommerce: no Shopify-grade order integration, no predicted lifetime value or churn-risk models, no cross-brand benchmarks.
- There are no sign-up forms and no landing pages, so the on-site capture Klaviyo runs needs another home. There is no WhatsApp channel either, and Customer.io, Brevo, and ActiveCampaign all carry one.
Common questions
I sell a subscription, not products. Does Klaviyo still fit?
It can work, but you pay for a shape you do not use. The flows library, the reporting, and the predictive models all assume a checkout, so without orders that half of the product is dead weight while the profile meter still counts every signup. Teams that stay usually stay because SMS and deliverability are working, not because the data model fits.
What actually breaks when you move Klaviyo flows to a SaaS-shaped tool?
The triggers, mostly. Abandoned cart, browse abandonment, back-in-stock, and post-purchase have no equivalent without orders and products, so they do not port. You rebuild them as trial expiry, activation milestones, feature-adoption nudges, seat invites, and expansion prompts. Templates and copy move in an afternoon. The event schema and your sender reputation are the slow parts; our guide to switching email platforms covers the sequencing.
Can I keep Klaviyo for the store and use something else for product emails?
Yes, and for a company running both a store and a SaaS product it is often the right answer. Klaviyo keeps the order-driven flows, the second tool owns lifecycle and product messaging. The costs are real: two suppression lists to reconcile, a second sending domain to warm, and a written rule about which system owns which message type. Decide that rule before you split, not after.
Which Klaviyo alternatives bill by contact, by profile, or by email volume?
Customer.io bills by profile as Klaviyo does, at $0.009 per additional profile. ActiveCampaign bills by contact band, from $15/mo at 1,000 contacts on annual billing. Loops bills by subscribed contact, free to 1,000 then $49/mo at 5,000. Brevo bills by monthly email volume from $9/mo, with contact storage as a cap rather than the meter. Klaviyo's own paid tiers render in a client-side calculator; the widely reported entry figure of about $20/mo for 251 to 500 active profiles is secondary, not published.
Which alternatives match Klaviyo's native SMS?
Customer.io and Brevo. Customer.io sends SMS through Twilio, Sinch, Infobip, or Vonage and also carries WhatsApp. Brevo sends SMS to 180+ countries and runs WhatsApp campaigns, both on credits priced by destination country. ActiveCampaign has SMS and WhatsApp as metered add-ons rather than included channels. Loops does not send SMS at all. fromHello includes SMS, but it is in early access.
Do I lose predictive analytics if I leave Klaviyo?
Mostly yes, and it is the clearest thing you give up. Predicted lifetime value, churn probability, and cross-brand benchmarks are built on years of purchase data across many stores, and none of the four alternatives has an equivalent for a subscription business. Brevo's predictive scores need ecommerce data too, so they do not fill the gap. The honest replacement is your own cohort and retention reporting.
- 01Klaviyo Help Center — how billing works, including the active-profile definition
- 02Klaviyo pricing — free plan limits and the separately priced product line-up
- 03Customer.io pricing — per-profile billing, overage rates, Startup Program
- 04Brevo pricing — free plan, Starter and Standard, billing by email volume
- 05Brevo release note — predictive customer scoring, May 2026
- 06ActiveCampaign pricing — contact bands, seats, and add-ons
- 07Loops pricing — free plan, $49/mo at 5,000 contacts, subscribed-contact billing
See the platform the team runs.
- Channels & deliverabilityA customer-engagement platform is the system that reaches your customers across every channel — email, SMS, web push, and in-app — and keeps those messages landing. This track explains the channels, how they work together instead of in silos, and the deliverability and consent rules that decide whether a message is seen at all.Read
- Growth for small teamsA small team can run real growth — lifecycle, experiments, retention, segmentation — without hiring a growth org. This track covers how: the metric that focuses you, the lifecycle that structures the work, and the journeys that automate it, written for two-to-ten-person teams, not enterprises.Read
- How to switch email platformsTo switch email platforms, export everything before you cancel anything, carry your suppression list to the new tool, re-permission where consent doesn't transfer, and warm up the new sending domain gradually. Your data moves in an afternoon. Your sender reputation does not — that is the part that needs a plan.Read
- Email deliverability for startupsDeliverability is whether your email reaches the inbox instead of the spam folder or a hard block. Three things drive it: authentication that proves you are who you say, sender reputation built over time, and list hygiene that keeps your audience engaged. Get those right and the inbox follows.Read
- Lifecycle marketing for startupsLifecycle marketing maps your messaging to where a customer is in their relationship with your product — acquisition, onboarding and activation, retention, and win-back — so each message has a single job tied to the customer's current stage, rather than going out on a calendar.Read
- What is a customer-engagement platform (CEP)?A customer-engagement platform is software that manages customer profiles and events and reaches people across multiple channels — email, SMS, web push, in-app — from one place. It differs from an email service provider, which only sends email, and a customer data platform, which unifies data but does not send.Read
- Braze alternatives (2026)Read the guide
- Best customer engagement platforms for small teams (2026)Read the guide
- Customer.io alternatives (2026)Read the guide
- Dittofeed alternatives (2026)Read the guide
- HubSpot alternatives (2026)Read the guide
- Mautic alternatives (2026)Read the guide
- Best open-source customer engagement platforms (2026)Read the guide
- Best open-source marketing automation tools (2026)Read the guide
- Self-hosted email marketing (2026)Read the guide
Put your growth teamon autopilot.
Early access opens gradually, so the team tunes to real use cases. Small teams with big ambitions go first.
Not ready to share an email? It's open source. Run it yourself today. View on GitHub