Klaviyo vs Sender

Two email marketing tools side by side. Prices are the starting plan a small business would pick, in USD.

Short version

  • Sender costs less at 2,500 contacts.
  • Sender fits restaurant or café, service business, agency or studio, trades or contractor.
  • Klaviyo fits online store.
  • Klaviyo suits teams past ten people.
CompareKlaviyoKlaviyoSenderSender
In one lineEmail and SMS built around online store dataCheap newsletters with a generous free plan
Starting priceFrom $20/moFree
At 2,500 contacts$60/moFree
PlansFree to 250 contacts; Email $20/mo at 500 active profiles, $30 at 1,000, $60 at 2,500, $100 at 5,000, $150 at 10,000 (monthly)Free (2,500 subscribers, 15,000 emails/mo); Standard $9/mo at 500 subscribers, $39 at 5,000, $69 at 10,000 (monthly; yearly billing costs the same after a 30% first-year discount for new users); Professional from $15/mo monthly; 14-day Pro trial
Pricing modelFree tierFree tier
Free trial—14 days
UsersUnlimitedUnlimited
Both connect toShopify, WooCommerce
Also connects toFreshsales, Subbly, BigCommerce, Square Online, Volusion, Shift4Shop, Apollo.io, GoHighLevel350+ listed by the vendorNo others on record
Team sizeJust me · 2–10 people · 11–50 people · 51–200 peopleJust me · 2–10 people
Available inUS · UK · CA · AUUS · UK · CA · AU
Phone supportNone listedEnterprise only
Live chatEvery paid planEvery plan
Support hoursEmail: 24/7 · Live chat: 24/5, weekend and holiday hours vary by planEmail: 24/7 · Live chat: 24/7
Incidents posted11 incidents posted on Klaviyo's status page, which covers all Klaviyo products and regions, in the 90 days to Oct 27, 2026; 4 marked major or critical by Klaviyo. Status pageWe found no public status page for Sender.
Capterra score4.6 / 5 from 539 reviews4.7 / 5 from 212 reviews
Trustpilot score1.6 / 5 from 370 reviews4.9 / 5 from 1,571 reviews
Fit: Retail shop6572
Fit: Restaurant or café4072
Fit: Service business4075
Fit: Agency or studio5065
Fit: Trades or contractor2060
Fit: Online store9670
Why people pick it
  • Best Shopify integration
  • Revenue attribution built in
  • Big free plan
  • Low paid prices
Where it falls short
  • More than a café needs
  • Pricing scales fast
  • Fewer integrations
  • Basic reporting
Visit Klaviyo Visit Sender

List-size prices are the vendor's published price for 2,500 contacts. How we calculate prices

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