
Apollo.io
Lusha
Snov.io
ZoomInfo
Clearbit
ZeroBounce
NeverBounce
Find all the email addresses related to a domain

UserTesting.com
UserZoom
Hotjar
Lookback
Userbrain
Validately
Maze
A powerful tool which enables user testing on prototypes, wireframes and websites.

Which is more popular?
Based on our record, Hunter.io seems to be more popular. It has been mentioned 155 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | hunter.io | loop11.com |
| Pricing | — | |
| Company | Startup from France | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Loop11 is recommended for UX designers, researchers, product managers, and digital marketers who need to conduct comprehensive usability testing. It’s suitable for teams that require both qualitative and quantitative data to enhance user experiences across web and mobile platforms. Companies and individuals seeking to improve their product design and usability through consistent user feedback will find Loop11 especially beneficial.
Walkthroughs and reviews on video.
GTA Hunter Review
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Usability Tools Loop11 Exercise
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Hunter.io and Loop11. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Hunter, Lusha, and LeadIQ all have free plans. Among paid plans on monthly billing, LeadIQ Pro starts at $20 a month for up to 5 users, and Hunter Starter starts at €49 a month.The cheapest option depends on whether...
Hunter, on the other hand, is built around email discovery, verification, and cold email sequencing. It doesn’t automate LinkedIn actions, but instead helps you find and validate professional email addresses and run...
I tested the waterfall enrichment to understand how it works. Clay pulls the data you need from over 100 sources. Say you want to find your prospect’s valid email address, Clay scans various sources like Hunter,...
Loop11 does not provide a pool of participants, therefore you’ll have to issue invites to your own users to receive results for your study. UserZoom has a user base of more than 120 million testers.
Recommendations tracked on public social media and blogs since March 2021.


A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns... - Source: dev.to / 6 months ago
The real conclusion I'd push back on from every vendor comparison I've read: there is no single tool that solves reverse lookup at 80%+ accuracy with clean data. The waterfall is the answer. The question is whether you build it yourself... - Source: dev.to / 6 months ago
Last year I ran the same LinkedIn Sales Navigator export through three enrichment APIs. Apollo matched 61% of the emails. Hunter.io matched 54%. An OSINT-first pipeline I'd built in n8n — pulling from public sources before hitting any... - Source: dev.to / 7 months ago
Tracking Loop11 since Mar 2021.
When comparing Hunter.io and Loop11, you can also consider the following products.

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Test, measure, and monitor UX with our cost-effective all-in-one platform. UserZoom is a cloud-based solution for online usability testing.
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Snov.io is a multichannel lead generation and outreach automation platform that helps B2B teams find qualified leads, automate email and LinkedIn campaigns, and manage deals in one built-in CRM.
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The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
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