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

Questgen
Quizgecko
Mock Exam AI
LearnerGPT
Bevinzey
TurinQ.com
Tekadio
PrepAI offers a smart & easy test creation process backed by advanced AI algorithms. It helps you create quality exams, quizzes, and tests using an easy-to-use dashboard.

Which is more popular?
Based on our record, PrepAI should be more popular than Codility. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codility.com | prepai.io |
| Pricing | ||
| Platforms | โ | |
| Company | โ | Startup from India ยท 20 - 49 employees ยท 2021 |
| 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....
๐ PrepAI โ AI-Powered Quiz & Assessment Generator PrepAI is your all-in-one platform to create quizzes, mock tests, and assessments in seconds using artificial intelligence. Whether you're an educator, corporate trainer, HR professional, or test-prep creator, PrepAI helps you save hours of...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
What is an AI Question Generator? | PrepAI Exam Generator Overview
How often each product is chosen within a category, 0โ100% relative to the other.


As answered by people managing Codility and PrepAI.
PrepAI's answer:
PrepAI stands out for its ability to generate high-quality quizzes instantly from any input โ text, documents, web URLs, or even audio. Unlike many tools that focus on MCQs alone, PrepAI offers a rich variety of question types, higher-order thinking alignment, structured test blueprints, and full mock test simulations. It also supports AI auto-grading, export to LMS formats, quiz embedding, and robust reporting โ making it an end-to-end solution for assessments.
PrepAI's answer:
PrepAI is designed to save time and maximize impact. It offers unmatched flexibility in quiz creation with support for multiple content formats, customizable test modes, and deep export options โ including LMS-friendly formats. Its AI-driven grading, real-time analytics, and unique quiz multiplier feature make it ideal for both educators and organizations.
While many tools do one part of the workflow, PrepAI covers:
Creation
Delivery
Evaluation
Reporting
all in one platform.
PrepAI's answer:
PrepAI primarily serves:
Educators in schools and universities
Corporate trainers and L&D teams
HR professionals conducting hiring assessments
Test-prep creators building mock exams
EdTech platforms and LMS providers via API integration
These users value speed, customization, and quality in test creation and delivery.
PrepAI's answer:
PrepAI was created to solve a common but critical problem โ the time-consuming and manual process of quiz and test creation. Born out of an edtech innovation lab, PrepAI was built to empower educators, trainers, and HR professionals with AI that can instantly convert content into test-ready questions.
What started as a prototype during the early adoption of AI in education has now grown into a full-fledged assessment platform used across schools, companies, and platforms globally.
PrepAI's answer:
Python (AI & NLP models)
Node.js (Backend APIs)
React.js (Frontend)
MySQL (Databases)
AWS (Cloud infrastructure)
Redis (Caching and session management)
Metabase (Analytics layer)
Share your experience with using Codility and PrepAI. 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 PrepAI 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
Wow, this is good. I think the question generation part can be better like this - https://prepai.io/. Source: over 3 years ago
I came across this tool online that can generate questions from text, pdf, video file, etc. Might check it out - https://prepai.in/ It is free forever, as in we can generate max. 3 times per day. Source: over 4 years ago
Generate your next question paper instantly on PrepAI - https://prepai.in/. Source: over 4 years ago
When comparing Codility and PrepAI, you can also consider the following products.

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Compare HackerRank to Codility or PrepAI:

Generate quizzes from text, PDFs, videos & more โ instantly with AI
Compare Questgen to Codility or PrepAI:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Codility or PrepAI:

Generate interactive, shareable quizzes and assessments using AI
Compare Quizgecko to Codility or PrepAI:

