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Heap vs Optimizely comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Heap
Ranking in Web Analytics
4th
Average Rating
7.8
Number of Reviews
7
Ranking in other categories
No ranking in other categories
Optimizely
Ranking in Web Analytics
12th
Average Rating
9.2
Number of Reviews
7
Ranking in other categories
Digital Experience Platforms (DXP) (13th), Feature Management (4th)
 

Mindshare comparison

As of March 2026, in the Web Analytics category, the mindshare of Heap is 7.2%, up from 6.8% compared to the previous year. The mindshare of Optimizely is 3.7%, up from 3.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Analytics Mindshare Distribution
ProductMindshare (%)
Heap7.2%
Optimizely3.7%
Other89.1%
Web Analytics
 

Featured Reviews

JF
Engagement Manager at TheMathCompany
Provides actionable user behavior insights and improves feature prioritization decisions
I didn't encounter many components that were annoying. One main area of frustration was finding data. When wanting to find data about clicks on a specific UI feature, element, or button, sometimes the objects were not named in a descriptive way. That was our problem on the implementation side, not Heap's. I also found that the analytics dashboards in Heap couldn't be customized as much as desired. I couldn't adjust the charts in the widgets or the settings on each widget to the level wanted in either data granularity or physical size of the widget on the dashboard page. Additional flexibility in dashboard building and widget building would be beneficial.
it_user623373 - PeerSpot reviewer
AB Testing and Web Optimization Specialist at a manufacturing company with 1,001-5,000 employees
It's given us a powerful tool that's doesn't limit our test ideas by the confines of code we can or cannot use.
Ease of building the test via HTML, Java, and CSS. It's given us a powerful tool that's doesn't limit our test ideas by the confines of code we can or cannot use The thoroughness of results has helped our company make better decisions for our website. Decisions that help our customers with their…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"After using Heap, I started understanding the complete user journey because of its great feature, the auto-capture, which captures everything from seeing the ad to closing the deal."
"Discerning application and UX weak points, driving better user retention."
"Heap enables one to easily track how customers use one's applications on both the web and mobile."
"With its ability to easily define user events, one can easily detect how one can better optimize one's product to drive better retention and feature use."
"The initial setup process was straightforward."
"Heap has positively impacted my organization by giving our team visibility into how users interact with our application, allowing us to move from guessing to real-time information."
"What I like best about it is the session replay feature. It saves a lot of time. I don't need to go and debug or replicate issues multiple times. We can go to the session replay for a few minutes. We can ask when the issue occurred, go to that time in the replay, and see whether the user made a mistake or if there's an app caching issue. That has been very helpful."
"The reporting has helped improve investor relations and let us quantify our growth and progress with ease."
"ROI: Infinite! (Got 3X conversion improvement using suggestions given by the product during the free evaluation period)"
"Optimizely can work for a lot more things than only testing; it is a pretty easy yet powerful tool."
"Customer service is excellent!"
"Customer service is the best in the testing industry; transparent support along with a very strong community."
"Customer service is wonderful."
"Optimizely is a great product that has inspired a great community and is the standard for A/B testing."
"Dead simple A/B testing with no code knoweldge needed."
 

Cons

"Their analytics could be more user-friendly."
"Based on my experience, there's some room for improvement. The application is a bit slow. Also, I must read through old documentation when I need to check for new features. It's not very user-friendly. Once you're in the application, it's easy because it has many features. But for first-time users, you have to go through all the documents, which can be challenging."
"The product could benefit from more advanced UI features."
"It's more expensive."
"Their analytics could be more user-friendly."
"I also found that the analytics dashboards in Heap couldn't be customized as much as desired."
"I would rate Heap's scalability around 6 out of 10 because we are still not completely familiar with it."
"Better communication with 3rd party implementation"
"Verifying goals could be easier."
"When testing images or anything involving JavaScript or more than text, they can really slow down the load performance of a page."
"Does not allow multipage variants (i.e. allows only variants in elements inside one page)."
"There were previously issues with experiments saving as expected in Classic."
"Exporting statistics provide more statistical data."
 

Pricing and Cost Advice

"Heap's pricing can be heavy according to the usage and requirements for control billing."
"The solution is expensive."
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Top Industries

By visitors reading reviews
Insurance Company
16%
Real Estate/Law Firm
13%
Financial Services Firm
10%
Computer Software Company
9%
Computer Software Company
12%
Comms Service Provider
10%
Outsourcing Company
10%
Marketing Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business1
Midsize Enterprise2
Large Enterprise4
By reviewers
Company SizeCount
Small Business3
Large Enterprise5
 

Questions from the Community

What is your experience regarding pricing and costs for Heap?
My experience with pricing, setup cost, and licensing was a smoother process, and my teammates helped me out because I don't have clear information about pricing. It was a cost-efficient way to get...
What needs improvement with Heap?
I recommend making Heap stronger, more user-friendly, and integrating it with other apps such as Instagram, Facebook, LinkedIn, and even smaller platforms such as Reddit. If it is integrated with A...
What advice do you have for others considering Heap?
My advice to others looking into using Heap is to use auto-capture and complete capture a lot because these two features are really amazing compared to its competitors. The reports it generates, th...
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Comparisons

 

Overview

 

Sample Customers

Zendesk, Marketo, Ernst & Young, Salesforce
Sony, SalesForce, FICO, Trulia, ABC, Fox Interactive Media, The Guardian, CBS, Walt Disney Company, Clorox, Livestrong
Find out what your peers are saying about Heap vs. Optimizely and other solutions. Updated: March 2026.
884,976 professionals have used our research since 2012.