Klaviyo sends the email. llea is the brain behind it.

Quick answer

What is the difference between llea and Klaviyo?

Klaviyo sends the email, and llea is the brain and intelligence behind it. llea scores every shopper’s purchase intent, decides who to email, writes a separate email for each one and picks products in stock in the shopper’s size. Klaviyo delivers that exact email, so you keep Klaviyo with no migration.

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Written by llea AI
Aster Studio8:15 PM

Ava, the black blazer is back in size S

Black BlazerSize S in stock

You looked twice. It came back this morning.lleaIntent: high

10% off for youAVA10lleaLoyalty perk
Sent at 8:15 PMtheir usual shopping hour

01 / Why llea

What does the brain behind Klaviyo do?

llea is the intelligence: it decides who to email, what to say and which products to show. Klaviyo stays the sender.

lleaThe brain
  • Scores every shopper’s purchase intent
  • Decides who to email
  • Writes each email for one shopper
  • Picks products in stock in their size

Shopify Flow

KlaviyoThe sender
  • Sends that exact email
  • Keeps your flows as they are
  • Reports received, opened and clicked back to llea

01

Add a purchase intent score

Klaviyo predicts lifetime value, next order date and churn risk. llea gives every shopper an intent score and a segment on every plan, built from 100+ signals.

See purchase intent scoring

02

Get every email written for one shopper

llea writes the subject and the note for each shopper in your brand’s voice, and Klaviyo sends that exact email.

See how llea personalizes

03

Show picks in their size

Klaviyo’s recommendations skip items your catalog marks as out of stock. llea picks products in stock in the shopper’s size at the moment the email sends, and adds an offer only when the shopper needs one.

See how llea picks products

04

Keep every flow you run

llea does not replace Klaviyo. The Klaviyo flows you already run stay as they are, and llea reaches Klaviyo through Shopify Flow.

See how llea connects to Klaviyo

02 / See it

What does one email per shopper look like?

Pick a shopper. llea writes that shopper’s email from what the shopper browsed and what is in stock.

P1: Klaviyo + lleaEmail to Olivia
Denim shirt dressSize M in stock
Written by llea AI7:40 PM

Olivia, the denim shirt dress is back in your size

You viewed it 3 times this week.

lleaIntent: high

10% off for youOLIVIA10

P2: Klaviyo aloneWhole list
Built by your team9:00 AM

Our biggest sale of the season is here

Our best sellers, picked for the whole list.

15% off todaySAVE15

Illustrative emails. What a Klaviyo email looks like depends on how your team builds it.

03 / Side by side

How do Klaviyo alone and Klaviyo + llea compare, feature by feature?

With llea, Klaviyo keeps sending and your flows stay in place, while llea supplies the intent score, a 1:1 email per shopper and picks in the shopper’s size. Klaviyo alone relies on its own predictions and a beta AI message add-on.

Klaviyo + llea and Klaviyo alone7 rounds
Klaviyo + llea compared with Klaviyo alone, feature by feature
FeatureKlaviyo + lleaKlaviyo aloneWhy this matters
AI personalization per shopperllea writes one email per shopper, and Klaviyo sends that exact email.Personalization add-on: AI writes a unique message for every customer in a flow (in beta).An email written for one shopper gives that shopper a reason to read it. One campaign to the whole list has to speak to everyone.
Purchase intent scoringllea gives every shopper an intent score and a segment, built from 100+ signals.Predicted lifetime value, expected next order date and churn risk, once a profile has enough purchase history.Knowing who is ready to buy tells you who to email today and who to leave alone, so your list hears from you when it counts.
Live stock and size-aware product picksllea picks products that are in stock in the shopper’s size at the moment the email sends.Recommendations skip items your catalog marks as out of stock. We found no size filter in Klaviyo’s docs.A click is wasted when the shopper’s size is gone. Picks checked at send time keep the email pointing at something they can buy.
Send time per shopperllea sends each email at the shopper’s usual shopping hour and stops the series when the shopper buys.Personalized Send Time finds a sending window for each person.An email that lands when a shopper usually shops arrives while they are ready to buy, and stopping at the order means no selling them what they just bought.
Shopify integrationllea installs from the Shopify App Store and dispatches each email to Klaviyo through Shopify Flow.A Shopify app syncs profiles and orders, and tracks onsite activity such as viewed products.Orders, stock and browsing are what make an email personal. The closer the tool sits to your store data, the more each email can use.
Setup and migration effortNo migration. Klaviyo stays. Sending through Klaviyo is on llea’s Growth plan, and setup is one Shopify Flow workflow and one Klaviyo flow.Already in place if your store runs Klaviyo today.The less you have to rebuild, the sooner better emails reach your shoppers.
Pricing modelYour Klaviyo plan, plus llea Growth: $299/mo + 2% of the sales llea brings in, capped at $3,000 a month. 30-day free trial billed through Shopify.Based on active profiles and emails sent. Free up to 250 active profiles and 500 emails a month. Personalization is a paid add-on.Compare the whole bill against the revenue it earns, not only the starting price.

Klaviyo sources, checked

Prices and features change, so check each vendor’s page before you decide.

04 / Pricing

What does llea cost on top of Klaviyo?

You keep your Klaviyo plan and add llea. Sending through Klaviyo is on llea’s Growth plan: $299 a month plus 2% of the sales llea brings in, capped at $3,000 a month, with a 30-day free trial.

Free

$0a month

Reach up to 100 high-intent shoppers a month

Starter

$14a month

+ 5% of the sales llea brings in, capped at $500 a month

Reach up to 1,000 high-intent shoppers a month

Plus

$99a month

+ 3% of the sales llea brings in, capped at $1,000 a month

Reach up to 5,000 high-intent shoppers a month

Growth

$299a month

+ 2% of the sales llea brings in, capped at $3,000 a month

Reach up to 20,000 high-intent shoppers a month

See every llea plan on the pricing page

05 / Results

Does one email per shopper earn more?

On one store, yes: 8× the revenue per email. These five rounds set that store’s usual emails against llea’s, sent to the same list over the same period.

Same list · same periodRound 5/5
P1Usual emails
VS
P2llea
  1. Revenue per email

    Revenue per recipient: $0.10 store-wide against $0.80 for llea sends, 8 times higher.

  2. Clicks that became orders

    Clicks that became orders: 19.04% store-wide against 54.7% for llea sends, 2.9 times higher.

  3. Repeat opens

    Repeat opens: 20.7% store-wide against 50.4% for llea sends, 2.4 times higher.

  4. Purchase pace

    Purchase pace: 1.0 times usual store-wide against 1.9 times for llea sends, so customers bought sooner.

  5. Emails for the same revenuefewer wins

    llea earned the same revenue from 12,683 emails that the store’s own send rate would have needed 101,778 emails to earn. That is eight times fewer sends, and 89,095 fewer emails that could have drawn a spam complaint or an unsubscribe.

llea wins · 8× revenue per email

Measured on one store’s live Shopify sends, against that store’s own email baseline over the same period. Results vary. This is not a test against Klaviyo.

06 / Your move

What does adding llea to Klaviyo look like?

No migration. Your Klaviyo flows stay as they are, and llea connects through one Shopify Flow workflow and one Klaviyo flow.

  1. Install and sync

    Install llea on Shopify and sync your store.

  2. Turn on tracking

    Turn on visitor tracking in your theme.

  3. Check your brand

    Check the brand look and voice llea pulled from your store.

  4. Connect Klaviyo

    Send a test from llea, then build the one Klaviyo flow that sends llea’s emails.

Read the Klaviyo setup guide

07 / FAQ

What do Shopify brands ask about llea and Klaviyo?

  • Yes. llea connects natively to Klaviyo and routes every send through Shopify Flow, so the Klaviyo flows you already run stay as they are. No migration is needed.

09 / Your turn

Shoppers open the email that feels written for them.

Ready to put a brain behind Klaviyo?

Bring AI-powered personalization and purchase intent into your Shopify email marketing.

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