Klaviyo vs Smile.io: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Klaviyo and Smile.io side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Smile.io leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Klaviyo
Email marketing for e-commerce
Best for you if:
- • You want e-commerce focused
Smile.io
The leading loyalty platform for Shopify brands to boost repeat purchases and maximize customer lifetime value.
Best for you if:
- • You want loyalty program platform
| At a Glance | Klaviyo | Smile.io |
|---|---|---|
Starts at | Free plan, paid from $20/mo, billed monthly Email plan | Free plan, paid from $15/mo, billed monthly Essential plan |
Category | Email Marketing Marketing Automation | Loyalty Programs E-commerce |
Rating | 4.6/5 G2 4.6 · Capterra 4.6 1,901 reviews | 4.7/5 G2 4.6 · Capterra 4.9 532 reviews |
Free plan | Yes | Yes |
Watch out for | Since Feb 2025, you pay for ALL active profiles, not just contacts you email. Imported but unengaged contacts still count toward billing | Overage fees if exceeding order limits |
Choose Klaviyo or Smile.io?
Choose Klaviyo if
- You want e-commerce focused
- You want powerful segmentation
- You work in email marketing, not loyalty programs
Choose Smile.io if
- You want loyalty program platform
- You want shopify integration
- Budget matters ($15/mo, billed monthly vs $20/mo, billed monthly)
- You work in loyalty programs, not email marketing
In-Depth Analysis
Klaviyo
Email marketing for e-commerce
Since February 2025, billing is based on total active profiles (not just emailed contacts), which effectively raised prices for most users.
Watch out
Since Feb 2025, you pay for ALL active profiles, not just contacts you email. Imported but unengaged contacts still count toward billing
Strengths
- Pro: E-commerce focused
- Pro: Powerful segmentation
- Pro: Revenue attribution
Weaknesses
- Con: Expensive at scale
- Con: Learning curve
Key features
Smile.io
The leading loyalty platform for Shopify brands to boost repeat purchases and maximize customer lifetime value.
Smile.io's pricing is generally fair, offering a generous Free tier and a well-structured progression.
Watch out
Overage fees if exceeding order limits
Strengths
- Pro: Loyalty program platform
- Pro: Shopify integration
- Pro: Good features
- Pro: Active development
- Pro: Fair pricing
Weaknesses
- Con: E-commerce focused
- Con: Order-based pricing
- Con: Learning curve
- Con: Feature gaps
- Con: Better for larger stores
Key features
Plans and prices: Klaviyo vs Smile.io
| Tool | Plans and prices | Source |
|---|---|---|
| Klaviyo |
| klaviyo.com/pricingread Oct 5, 2026 |
| Smile.io |
| smile.io/pricingread Oct 10, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Klaviyo pricing and Smile.io pricing.
Key Takeaways
Klaviyo
- Choose if you want email marketing for e-commerce
Smile.io
- Lower entry price: $15/mo, billed monthly vs $20/mo, billed monthly
What the data shows
On the data below, Smile.io leads on lower entry price. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 1,901 reviews for Klaviyo, 4.7/5 from 532 reviews for Smile.io).
- Smile.io has the lower entry price: $15/mo, billed monthly (Essential) against $20/mo, billed monthly (Email) for Klaviyo.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Klaviyo and Smile.io compare in 2026?
On the data below, Smile.io leads on lower entry price. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 1,901 reviews for Klaviyo, 4.7/5 from 532 reviews for Smile.io). Smile.io has the lower entry price: $15/mo, billed monthly (Essential) against $20/mo, billed monthly (Email) for Klaviyo. Both have a free plan.
What are Klaviyo and Smile.io used for?
Klaviyo: Email marketing for e-commerce. Smile.io: The leading loyalty platform for Shopify brands to boost repeat purchases and maximize customer lifetime value.
What does Klaviyo cost vs Smile.io?
Klaviyo's cheapest paid plan is Email at $20/mo, billed monthly; it also has a free plan. Smile.io's cheapest paid plan is Essential at $15/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 10, 2026.
What's the main difference between Klaviyo and Smile.io?
Klaviyo's main strength: e-commerce focused. Smile.io's main strength: loyalty program platform.