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

Auth0
Clerk
Keycloak
AuthKit
PropelAuth
Hanko
ZITADEL
Open-source Auth0/Clerk Alternative

Which is more popular?
Based on our record, Hunter.io seems to be a lot more popular than Stack Auth. While we know about 155 links to Hunter.io, we've tracked only 4 mentions of Stack Auth.
Website, pricing, platforms and company facts side by side.
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| Website | hunter.io | stack-auth.com |
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| Company | Startup from France | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Stack Auth yet.
Walkthroughs and reviews on video.
GTA Hunter Review
More videos
W18D3 C3: Full Stack Auth Review: User/Computer Order & Developer Build Order
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Hunter.io and Stack Auth. 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,...
We have no reviews of Stack Auth yet. Be the first one to post
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
Five minutes. That's how long Stack Auth takes to set up. - Source: dev.to / 12 months ago
Stack Auth (S24) | San Francisco, CA | Full-time Hiring founding & design engineers! We're building the customer platform for developers — think of a single service that does auth, payments, analytics, marketing emails, and so much more.... - Source: Hacker News / about 1 year ago
StackAuth is an open-source authentication and user management platform designed to integrate seamlessly into Next.js projects. Its combination of frontend/backend APIs and pre-built UI components dramatically simplifies the integration... - Source: dev.to / almost 2 years ago
When comparing Hunter.io and Stack Auth, you can also consider the following products.

Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
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Auth0 is a program for people to get authentication and authorization services for their own business use.
Compare Auth0 to Hunter.io or Stack Auth:


Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Compare Clerk to Hunter.io or Stack Auth:

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.
Compare Snov.io to Hunter.io or Stack Auth:

Open Source Identity and Access Management for modern Applications and Services.
Compare Keycloak to Hunter.io or Stack Auth: