Which is better, Nelio A/B Testing or Optimizely?

Optimizely edges out Nelio A/B Testing based on user ratings across 806 reviews. That said, the best pick depends on your workflow — Nelio A/B Testing may be a stronger fit for specific team sizes or use cases. Review the full comparison to decide.

What are the main differences between Nelio A/B Testing and Optimizely?

Key differences between Nelio A/B Testing and Optimizely include pricing (Nelio A/B Testing starts at $29 vs Optimizely at undisclosed); target audience (Nelio A/B Testing targets Large Enterprises while Optimizely serves Freelancers / Consultants). Use the Spotsaas comparison table to evaluate each dimension before deciding.

Do both Nelio A/B Testing and Optimizely offer a Free trial?

Neither Nelio A/B Testing nor Optimizely offers a free trial.

Who are the typical users of Nelio A/B Testing?

Nelio A/B Testing is designed for Large Enterprises, Medium Business, Small Business.

Who are the typical users of Optimizely?

Optimizely is designed for Freelancers / Consultants, Large Enterprises, Medium Business, Small Business.

What is the starting price of Nelio A/B Testing and Optimizely?

The starting price of Nelio A/B Testing is $29/Month. Pricing for Optimizely is unavailable.

What are the best alternatives to Nelio A/B Testing?

Some top alternatives to Nelio A/B Testing include VWO Testing, Optimizely, AB Tasty, Split Hero, ChangeAgain.

What are the best alternatives to Optimizely?

Some top alternatives to Optimizely include VWO Testing, AB Tasty, Google Optimize, Webtrends Optimize, Adobe Target.

Nelio A/B Testing vs Optimizely vs VWO Testing Comparison

Last updated: May 19, 2026

Nelio A/B Testing

Starting at $29 /Month

Large Enterprises
Medium Business

Nelio helps to perform quantitative A/B tests on website. The software runs randomized controlled experiments, which allow to test the impact of different webpage elements (layout, images, text, etc.) on site's goal (mor…

View Pricing Read Reviews

Optimizely

4.3(806 reviews)

Starting at Contact for pricing

Freelancers / Consultants
Large Enterprises

Optimizely is a web software platform that allows to create, launch, and manage AB tests for website. Optimizely's intelligent technology intelligently recommends changes based on the data. This allows any online busines…

View Pricing Read Reviews

VWO Testing

4.4(289 reviews)

Starting at Contact for pricing

Free Trial
Large Enterprises
Medium Business

VWO is an all-in-one AB testing platform that helps to boost conversion. It has powerful A/B testing capabilities, heatmaps, funnel analysis, real time statistics and an extensive data explorer. It allows to run tests on…

View Pricing Read Reviews

Optimizely leads on user satisfaction with a 4.3-star rating across 806 reviews.

Nelio A/B Testing vs Optimizely vs VWO Testing — at a glance

Feature	Nelio A/B Testing	Optimizely	VWO Testing
Rating	—	4.3 / 5	4.4 / 5
Reviews	—	806	289
Starting price	$29 /Month	Contact for pricing	Contact for pricing
Free trial	No	No	Yes
Free version	No	No	No
Best for	Large Enterprises, Medium Business, Small Business	Freelancers / Consultants, Large Enterprises, Medium Business	Large Enterprises, Medium Business, Small Business
Category	AB Testing Software	AB Testing Software	AB Testing Software
Platforms	SaaS/Web/Cloud	SaaS/Web/Cloud, Installed - Mac	SaaS/Web/Cloud
API	—	Available	Available
Support modes	Online	24/7 (Live rep), Online	24/7 (Live rep), Online
Certifications	SOC 2	SOC 2, GDPR, ISO 27001	GDPR
Data residency	US	Global	Global

Key differences between Nelio A/B Testing and Optimizely

Pricing: Nelio A/B Testing starts at $29 /Month. Optimizely pricing is not publicly listed.
Target audience: Nelio A/B Testing is built for Large Enterprises and Medium Business, while Optimizely targets Freelancers / Consultants and Large Enterprises.
Deployment: Nelio A/B Testing supports SaaS/Web/Cloud; Optimizely supports SaaS/Web/Cloud, Installed - Mac.

Compare Nelio A/B Testing vs Optimizely vs VWO Testing — and walk away knowing which one fits.

Which tool fits your team best

Which is actually cheaper for your team size

Where each product wins, per real buyers

Most AB Testing Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Biggest differences

Features

Pricing

Buying details

Security

Buyer feedback

Integrations

Product tour

Other options

	Nelio A/B Testing Talk to an expert Talk to an expert	Optimizely (166) Talk to an expert Talk to an expert

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Biggest differences

Affiliate Disclosure

Start here before you go deeper into features.

Nelio A/B Testing

Best for

Large Enterprises, Medium Business, Small Business

Optimizely

Best for mid-to-large teams running flexible A/B tests with minimal developer help.

Choose if

You need an intuitive interface for marketing or product teams to run tests independently.
Your company size is 51+ employees requiring scalable experimentation for e-commerce or UX.
You want intelligent, data-driven change recommendations to optimize website visitor conversions.

Consider alternatives if

You are a freelancer or very small business with a limited budget.
Your team lacks any technical skills needed for advanced testing or HTML tweaks.

VWO Testing

Best for SMBs needing powerful, visual A/B testing with detailed traffic segmentation.

Choose if

You want a visual editor to create tests without engineering help
Your team needs detailed traffic segmentation for precise conversion insights
You require an all-in-one platform that scales with growing testing needs

Consider alternatives if

You need extensive app integrations beyond a limited marketplace
Your team lacks technical support and struggles with complex test analysis

Nelio A/B Testing typically suits Large Enterprises and Medium Business. Optimizely tends to fit Freelancers / Consultants and Large Enterprises better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description	Nelio helps to perform quantitative A/B tests on website. The software runs randomized controlled experiments, which allow to test the impact of different webpage elements (layout, images, ... Read More about Nelio A/B Testing	Optimizely is a web software platform that allows to create, launch, and manage AB tests for website. Optimizely's intelligent technology intelligently recommends changes based on the data. ... Read More about Optimizely	VWO is an all-in-one AB testing platform that helps to boost conversion. It has powerful A/B testing capabilities, heatmaps, funnel analysis, real time statistics and an extensive data ... Read More about VWO Testing
Entry Level Pricing	Starts from $29	Not Available	Not Available
Free Trial Availability	No free trial	No free trial	Get Free Trial
SpotScore What's this? ↗	7.9/10	9.8/10	8.8/10
User Ratings Based on verified Spotsaas reviews		4.3 (806)	4.4 (289)
Best Company Size	—	51-500 employees500+ employees	Small BusinessMedium Business
	Get pricing help	Get pricing help	Visit website

Software Demo

Demo

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How do Nelio A/B Testing, Optimizely and VWO Testing Compare on Features?

Total Features	6 Features	9 Features	10 Features
Unique Features	No unique features	No unique features	No unique features
	Get Quote	Get Quote	Visit website

Compare Nelio A/B Testing, Optimizely and VWO Testing on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option
Starting From	$29	Not Available	Not Available
Pricing Plans	Not Available	Not Available	Not Available
Pricing Page
	View detailed pricing	View detailed pricing	View detailed pricing

Other Details

Organization Types supported	Freelancers Small Business Large Enterprises Medium Business Individuals	Freelancers Small Business Large Enterprises Medium Business Individuals	Freelancers Small Business Large Enterprises Medium Business Individuals
Platforms Supported	Browser Based (Cloud) Installed - Mac Mobile - Android Mobile - iOS Browser Based (Cloud)	Browser Based (Cloud) Installed - Mac Mobile - Android Mobile - iOS Browser Based (Cloud)	Browser Based (Cloud) Installed - Mac Mobile - Android Mobile - iOS Browser Based (Cloud)
Modes of support	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online
API Support	Not Available	Available	Available
	Get help choosing	Get help choosing	Visit Website

Security & Compliance

Certifications, data handling, and security controls for IT and compliance evaluators.

SOC 2	✓ Yes	✓ Yes
HIPAA	✗ No	✗ No
GDPR	—	✓ Yes
ISO 27001	—	✓ Yes
Single Sign-On (SSO)	—	✓ Yes
Multi-Factor Auth (MFA)	—	✓ Yes
Data Encryption	—	✓ Yes
Audit Logs	—	✓ Yes
Data Residency	🇺🇸 US	🌐 Global

Nelio A/B Testing vs Optimizely User Reviews & Rating Comparison

User Ratings	No reviews available for the product	4.3 (based on 806 reviews)	4.4 (based on 289 reviews)
Rating Distribution	No reviews available for this product	111 46 5 1 3	228 126 16 4 8
Spotsaas Editor’s POV generated by AI	What buyers like Quantitative testing Randomized experiments Dashboard analytics Common complaints Limited integrations Basic features for advanced users No mobile app	Buyer sentiment Users generally appreciate Optimizely's ease of use and strong support but note concerns about pricing and technical limitations for advanced testing. What buyers like Ease of use Customer support Flexibility in running experiments Common complaints Pricing and cost concerns Technical challenges with advanced features	Buyer sentiment Overall positive sentiment highlights ease of use and powerful features, tempered by some concerns over analysis complexity and integration limitations. What buyers like Ease of use Powerful visual editor Detailed traffic segmentation Common complaints Complexity of test analysis Limited integrations marketplace
Pros and Cons	Facilitates easy management of A/B tests. Provides clear analytics through dashboards. Focuses on quantitative results for decision-making. May lack advanced features for power users. Limited third-party integrations.	Ability to run A/B tests without developer assistance Intuitive user interface suitable for non-developers Responsive customer support with prompt bug fixes Pricing perceived as high and not transparent Requires some HTML knowledge for advanced testing features	Powerful visual editor enabling test creation without engineering resources User-friendly traffic segmentation and detailed experiment analysis Comprehensive all-in-one platform that scales with user needs Test analysis can be difficult to interpret accurately Features and customizations may intimidate newcomers without support
Positive Reviews	No reviews available for the product	No reviews available for the product	No reviews available for the product
		Read reviews	Read reviews

List of Customers

Customers	No Customers information available.	Optimizely_customers_0 Optimizely_customers_1 Optimizely_customers_2	VWO Testing_customers_0 VWO Testing_customers_1 VWO Testing_customers_2

Media and Screenshots

Screenshots	No screenshots available.	11 Screenshots
Videos	3 Videos	1 Videos

Alternatives

Alternatives	VWO Testing 4.4 Optimizely 4.3 AB Tasty 4.5	VWO Testing 4.4 AB Tasty 4.5 Google Optimize 4.1	Optimizely 4.3 Apptimize 4.2 AB Tasty 4.5

Frequently asked questions

Which is better, Nelio A/B Testing or Optimizely?: Optimizely edges out the other on user ratings (4.3 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
Do Nelio A/B Testing and Optimizely offer a free trial?: Neither Nelio A/B Testing nor Optimizely currently lists a free trial.
What is the starting price of Nelio A/B Testing vs Optimizely?: Nelio A/B Testing starts at $29 /Month. Optimizely starts at Contact for pricing.
What are the top alternatives to Nelio A/B Testing?: Top alternatives to Nelio A/B Testing include VWO Testing, Optimizely, AB Tasty, Split Hero, ChangeAgain.
What are the top alternatives to Optimizely?: Top alternatives to Optimizely include VWO Testing, AB Tasty, Google Optimize, Webtrends Optimize, Adobe Target.

Nelio A/B Testing vs Optimizely vs VWO Testing Comparison

Nelio A/B Testing

Optimizely

VWO Testing

Nelio A/B Testing vs Optimizely vs VWO Testing — at a glance

Key differences between Nelio A/B Testing and Optimizely

Compare Nelio A/B Testing vs Optimizely vs VWO Testing — and walk away knowing which one fits.

Nelio A/B Testing

Optimizely

Download this Nelio A/B Testing vs Optimizely vs VWO Testing comparison

Biggest differences

Description

Entry Level Pricing

Free Trial Availability

SpotScore

User Ratings

Best Company Size

Software Demo

Demo

Get shortlist help from a software advisor

How big is your team?

How do Nelio A/B Testing, Optimizely and VWO Testing Compare on Features?

Compare Nelio A/B Testing, Optimizely and VWO Testing on pricing

Other Details

Organization Types supported

Platforms Supported

Modes of support

API Support

Security & Compliance

Nelio A/B Testing vs Optimizely User Reviews & Rating Comparison

List of Customers

Customers

Media and Screenshots

Screenshots

Videos

Alternatives

Related Blogs and Articles for Ab Testing Software

Frequently asked questions