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Optimizely vs SplitLab: 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 Optimizely and SplitLab side by side. This page compares data; it is not a hands-on review.

On the data: On the data below, SplitLab leads on a free plan. We do not name an overall winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison 931 user reviews compared Pricing checked Oct 27, 2026

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:

Optimizely

Digital experience optimization platform

Best for you if:

  • • You want enterprise experimentation

SplitLab

Test landing pages, track visitor behavior, and find conversion-winning variations

Best for you if:

  • • Agencies and marketers testing landing pages to improve conversion rates
At a glance: Optimizely vs SplitLab
At a Glance
Optimizely Optimizely
SplitLab SplitLab
Starts at
Not published
Free plan, paid from $49/mo, billed monthly Pro plan
Category
A/B Testing Marketing
A/B Testing Landing Pages
Rating
4.2/5 G2 4.2 931 reviews n/a
Free plan
No Yes
Watch out for
Potential for high annual contract minimums. n/a

Choose Optimizely or SplitLab?

Optimizely

Choose Optimizely if

  • You want enterprise experimentation
  • You want feature flags
SplitLab

Choose SplitLab if

  • Agencies and marketers testing landing pages to improve conversion rates
  • You want a free tier before you commit

In-Depth Analysis

Optimizely Optimizely

Digital experience optimization platform

Watch out

Potential for high annual contract minimums.

Strengths

  • Pro: Enterprise experimentation
  • Pro: Feature flags
  • Pro: CMS included
  • Pro: Good analytics
  • Pro: Reliable

Weaknesses

  • Con: Very expensive
  • Con: Complex platform
  • Con: Learning curve
  • Con: Enterprise sales
  • Con: Overkill for small teams

Key features

A/B testing Personalization Feature flags Content management Commerce platform Analytics

SplitLab SplitLab

Test landing pages, track visitor behavior, and find conversion-winning variations

Good value

SplitLab's pricing is fair and well-structured for a range of users.

Key features

A/B test URLs or raw HTML pages Route traffic through custom domains Track form submissions with one script tag Set traffic splits between variants Detect winners using chi-square statistical testing Add custom scripts or tracking pixels per variant

Plans and prices: Optimizely vs SplitLab

Plans and prices of Optimizely and SplitLab, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Optimizely
  • Web Experimentation: Custom pricing
  • Feature Experimentation: Custom pricing
  • CMS: Custom pricing
  • Commerce: Custom pricing
optimizely.com/pricing read Oct 1, 2026
SplitLab
  • Starter: Free
  • Pro: $49/mo, billed monthly
  • Growth: $99/mo, billed monthly
  • Agency: $149/mo, billed monthly
  • Scale: $349/mo, billed monthly
trysplitlab.com read Oct 27, 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 Optimizely pricing and SplitLab pricing.

Key Takeaways

Optimizely

  • Choose if you want digital experience optimization platform

SplitLab

  • Has a free plan

What the data shows

On the data below, SplitLab leads on a free plan. We do not name an overall winner for this pair.

  • Only Optimizely has a published user rating (4.2/5 from 931 reviews); SplitLab has none we can show.
  • SplitLab starts at $49/mo, billed monthly; Optimizely has no public paid plan price on file.
  • Only SplitLab has 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 Optimizely and SplitLab compare in 2026?

On the data below, SplitLab leads on a free plan. We do not name an overall winner for this pair. Only Optimizely has a published user rating (4.2/5 from 931 reviews); SplitLab has none we can show. SplitLab starts at $49/mo, billed monthly; Optimizely has no public paid plan price on file. Only SplitLab has a free plan.

What are Optimizely and SplitLab used for?

Optimizely: Digital experience optimization platform. SplitLab: Test landing pages, track visitor behavior, and find conversion-winning variations.

What does Optimizely cost vs SplitLab?

Optimizely has no public paid-plan price on file. SplitLab's cheapest paid plan is Pro at $49/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 27, 2026.

What's the main difference between Optimizely and SplitLab?

Optimizely's main strength: enterprise experimentation. SplitLab focuses on test landing pages, track visitor behavior, and find conversion-winning variations.

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