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

Auth0
Okta
OneLogin
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Amazon Cognito
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Ping Identity
Flexible authentication solution for Rails with Warden.

Which is more popular?
Based on our record, Hunter.io should be more popular than Devise. 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 | github.com |
| Pricing | — | |
| Company | Startup from France | — |
| Listed in |
What each product offers, as listed by its team.


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
Devise is recommended for Ruby on Rails developers looking for a well-established and comprehensive authentication library. It's suitable for projects of various sizes, from startups to enterprise-level applications, particularly when rapid development with standard authentication features is desired.
Walkthroughs and reviews on video.
GTA Hunter Review
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Devise Fingerboard Review
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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 Devise. 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.io is an ideal outreach tool for finding and verifying prospects’ email addresses for outbound lead-generation campaigns.
If email addresses are important to you, it could be worth considering Apollo.io competitors like Hunter. With Hunter, you can find and outreach to prospects by email.
Gathers and Confirms Contact Details – Hunter.io uses advanced artificial intelligence to help you find, verify, and enhance the contact information for your potential customers or leads. This ensures you have...
We have no reviews of Devise 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 / 4 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 / 5 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 / 5 months ago
ActiveRubyist is now a Progressive Web App (PWA) with Hotwire-based interactivity. For authentication, I use devise, and for real-time notifications, noticed. Where possible, I lean into default Rails features: for background jobs, I use... - Source: dev.to / over 1 year ago
Assume we use devise for authentication. We need to subscribe user for personal notifications channel. Add this line to app/views/layouts/application/_flash_container.html.erb. - Source: dev.to / over 2 years ago
If you like to know how to implement Devise for user authentication, here's the link- Devise. - Source: dev.to / about 2 years ago
When comparing Hunter.io and Devise, 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.
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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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Enterprise-grade identity management for all your apps, users & devices
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On-demand SSO, directory integration, user provisioning and more
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