Klaviyo vs LettrLabs: 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 LettrLabs side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, LettrLabs leads on higher user rating. 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
LettrLabs
Automated direct mail marketing with AI design, personalization, and measurable ROI.
Best for you if:
- • You want combines the tangibility of direct mail with digital marketing automation and analytics
| At a Glance | Klaviyo | LettrLabs |
|---|---|---|
Starts at | Free plan, paid from $20/mo, billed monthly Email plan | Free plan |
Category | Marketing Automation Email Marketing | Marketing Automation Marketing |
Rating | 4.6/5 G2 4.6 · Capterra 4.6 1,901 reviews | 5.0/5 G2 5.0 55 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 | n/a |
Choose Klaviyo or LettrLabs?
Choose Klaviyo if
- You want e-commerce focused
- You want powerful segmentation
Choose LettrLabs if
- You want combines the tangibility of direct mail with digital marketing automation and analytics
- You want offers highly personalized and realistic handwritten mail options
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
LettrLabs
Automated direct mail marketing with AI design, personalization, and measurable ROI.
Strengths
- Pro: Combines the tangibility of direct mail with digital marketing automation and analytics.
- Pro: Offers highly personalized and realistic handwritten mail options.
- Pro: Provides deep attribution and ROI tracking, including holdout testing.
- Pro: Extensive targeting capabilities with over 4,000 attributes and geo-targeting.
- Pro: Seamless integration with popular CRM and e-commerce platforms.
Weaknesses
- Con: Pricing for mail pieces can vary significantly based on volume and commitment.
- Con: The free tier offers limited features, primarily tracking and basic insights.
- Con: Requires integration with existing digital marketing stacks for full omnichannel benefits.
Key features
Plans and prices: Klaviyo vs LettrLabs
| Tool | Plans and prices | Source |
|---|---|---|
| Klaviyo |
| klaviyo.com/pricing read Oct 5, 2026 |
| LettrLabs | No plan prices on file | lettrlabs.com |
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 LettrLabs pricing.
Key Takeaways
Klaviyo
- Choose if you want email marketing for e-commerce
LettrLabs
- Higher user rating: 5.0/5 vs 4.6/5
What the data shows
On the data below, LettrLabs leads on higher user rating. We do not name an overall winner for this pair.
- LettrLabs has the higher user rating (4.6/5 from 1,901 reviews for Klaviyo, 5.0/5 from 55 reviews for LettrLabs).
- Klaviyo starts at $20/mo, billed monthly; LettrLabs has no public paid plan price on file.
- 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 LettrLabs compare in 2026?
On the data below, LettrLabs leads on higher user rating. We do not name an overall winner for this pair. LettrLabs has the higher user rating (4.6/5 from 1,901 reviews for Klaviyo, 5.0/5 from 55 reviews for LettrLabs). Klaviyo starts at $20/mo, billed monthly; LettrLabs has no public paid plan price on file. Both have a free plan.
What are Klaviyo and LettrLabs used for?
Klaviyo: Email marketing for e-commerce. LettrLabs: Automated direct mail marketing with AI design, personalization, and measurable ROI.
What does Klaviyo cost vs LettrLabs?
Klaviyo's cheapest paid plan is Email at $20/mo, billed monthly; it also has a free plan. LettrLabs has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 5, 2026.
What's the main difference between Klaviyo and LettrLabs?
Klaviyo's main strength: e-commerce focused. LettrLabs's main strength: combines the tangibility of direct mail with digital marketing automation and analytics.