Klaviyo Problems & Issues
Real user-reported problems, complaints, and limitations for Klaviyo. Based on analysis of 12 signals.
Overall score: 58/100
Issues by Category
Repeated price hikes - third increase in 4 years (up to 25%)
Klaviyo has raised prices multiple times, with the latest increase being up to 25%. Legacy users were moved from pay-per-send to pay-per-profile, resulting in significant unexpected cost increases. Many businesses saw bills jump dramatically overnight.
Pricing based on ALL profiles, not just active subscribers
Klaviyo charges for total profiles, including inactive contacts you don't email. This means paying for dormant subscribers, making list management more expensive. Organizations with large inactive segments pay significantly more than expected.
February 2025 billing change shocked legacy users
On February 18, 2025, Klaviyo shifted from usage-based billing to a model based on active profiles. Legacy accounts (pre-April 2023) went from paying per send to paying per contact, causing significant unexpected cost increases.
Too expensive for small e-commerce startups
For businesses just starting their e-commerce journey, Klaviyo is often more expensive than their Shopify subscription. Small stores find Klaviyo pricing out of budget when alternatives offer similar features for less.
SMS credits cost extra on top of already expensive plans
SMS marketing requires additional credits beyond the base email plan. The Email + SMS plan starts at $35/month but SMS credits run out quickly. International SMS rates are particularly expensive.
No phone support - email and chatbot-based help only
Klaviyo offers no phone support at any tier. Live chat is only available weekdays 9am-5pm EST and often handled by a virtual assistant. Users report slow response times, unhelpful agents, and unresolved issues going on for weeks.
Support just repeats documentation without real help
Customer support is described as completely out of their depth. They simply repeat documentation, provide no real assistance, and show little understanding of the impact issues have on live businesses. Competency within the support team is inconsistent.
Basic functions unnecessarily complex and time-consuming
Simple features like creating dynamic discount codes or deleting profiles are way too time-consuming. Such basic functions that take seconds in other apps are awkward and complex in Klaviyo.
Steep learning curve despite powerful features
While the interface is clean, there's a steep learning curve for marketing newcomers. The wide feature set can be overwhelming, and mastering automation flows takes significant time and effort.
Accounts suspended without warning or explanation
Users report accounts being suspended out of the blue with no warning, no explanation, and no support available to help. This leaves businesses unable to send marketing emails and can severely impact revenue during critical periods.
Segment loading and template editor painfully slow
Segment loading can be painfully slow compared to lighter tools. The template editor text box is almost dysfunctional due to auto-saving, taking hours to edit templates. Occasional glitches like overlapping fields when exporting interrupt workflows.
Duplicate profiles created with no easy way to merge
Klaviyo allows thousands of duplicate customer profiles because it prioritizes external IDs over email addresses. There's no practical way to merge them at scale. Users are expected to build and run API calls themselves to fix Klaviyo's system design flaw.
Regret Patterns
Common reasons users regret choosing Klaviyo.
Bill jumped 25% after February 2025 pricing change
Was paying per email send for years. After February 2025 shift to profile-based billing, monthly costs jumped 25% with no warning. Now paying for inactive contacts that were free before.
Discovered Omnisend after years of overpaying
Paid premium Klaviyo prices assuming it was necessary for e-commerce. Found Omnisend offers nearly identical features for significantly less. Regretted not researching alternatives sooner.
Account suspended during Black Friday with no support
Account suspended without warning during Black Friday weekend. No phone support available. Email support took days to respond. Lost thousands in sales while unable to send campaigns.
Support couldn't resolve duplicate profile issue
Thousands of duplicate customer profiles created by Klaviyo's system. Support said to use API to fix it ourselves. Spent weeks on something that should be a basic feature.
Template editor so slow it wasted hours of work
Simple email edits took hours due to painfully slow auto-saving. Marketing team productivity suffered significantly. Should have moved to a faster platform earlier.
Realized paying for thousands of inactive contacts
Profile-based pricing meant paying for everyone who ever signed up, even those who never opened an email in years. List cleaning became constant chore just to control costs.
When Klaviyo Breaks Down
Specific scenarios where Klaviyo fails or underperforms.
Contact list grows past 10,000 profiles
Costs escalate rapidly. At 10K profiles, expect $150+/month for email only. At 50K, over $700/month. Inactive contacts count the same as active, making list management expensive.
Account suspended during critical campaign period
Suspensions happen without warning. No phone support means waiting days for email responses. Revenue loss during Black Friday or product launches can be severe.
Need urgent support during business hours
Live chat only available weekdays 9am-5pm EST. Outside these hours, email only with slow response times. Critical issues may wait until next business day.
E-commerce integration creates duplicate profiles
Klaviyo's system can create thousands of duplicates. No built-in merge functionality at scale. Expect to build API solutions yourself or live with inflated profile counts (and bills).
Small store tries to scale on limited budget
Klaviyo often costs more than the Shopify subscription itself. Small stores find ROI difficult to achieve. Alternatives offer similar features at 50-80% lower cost.
Team needs to edit templates quickly
Template editor slowness and auto-save issues make quick edits impossible. What should take minutes takes hours. Marketing team productivity suffers significantly.