
HackerRank
CodeSignal
iMocha
TestGorilla
HackerEarth
DevSkiller
mettl
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Hunter.io
MailVerifier
BulkMail Verifier
Mail Boiler is an AI-powered email workflow platform built to help modern teams find leads, verify contacts, design campaigns, and send outreach at scale.

Which is more popular?
Based on our record, Codility seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codility.com | mailboiler.com |
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| Company | — | 20 - 49 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
What started as a fast email verification service has evolved into a complete platform. Our mission is to simplify the entire email outreach lifecycle — from discovering the right people to ensuring deliverability and launching professional campaigns. We believe growth teams should spend less...
What each product offers, as listed by its team.


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


No analysis of Codility yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
Mail Boiler - B2B Outreach & Business Intelligence Platform | An Introduction
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codility and MailBoiler.
MailBoiler's answer:
Fast, reliable and cheap services
MailBoiler's answer:
Python, NextJS
MailBoiler's answer:
-Our primary audience is top bussiness lead generators, and marketing groups
MailBoiler's answer:
Mail boiler is an all in one platform, that helps from a simple search prompt to find companies, their verified contacts, emails, and also helps to design and send emils in bulk or peronsalized content.
MailBoiler's answer:
Share your experience with using Codility and MailBoiler. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
We have no reviews of MailBoiler yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
Tracking MailBoiler since Dec 2025.
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Clean your email list and boost your email delivery rates.
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Email Verifier with best accuracy and simple pricing. Do not let invalid emails ruin your business. Email list cleaning like never before.
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