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

Final Round AI - Interview Copilot
interviewing.io
LockedIn AI
ParakeetAI
Interview Prep AI
Yoodli
Cluely AI
Practice real interviews with an AI voice interviewer that listens, responds, and scores you. Get feedback on your STAR answers, pacing, and filler words. Try it free, no install needed.
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.
|
|
|
|
|---|---|---|
| Website | codility.com | instantinterview.app |
| Pricing | ||
| Platforms | — | |
| 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....
No description of InstantInterview.app yet.
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
Instant Interview Overview
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codility and InstantInterview.app.
InstantInterview.app's answer:
I was looking for a tool to practise my interview skills, but everything I found was either too expensive, didn't give useful feedback, or wasn't conversational so I built it for myself, then realised others needed it too.
InstantInterview.app's answer:
Anyone anxious about upcoming interviews who wants realistic practice and proof they're improving.
InstantInterview.app's answer:
Purpose-built voice to voice interviews with measurable feedback
InstantInterview.app's answer:
Real-time AI voice interviews with quantified feedback (STAR scores, WPM, filler rate), no scripts, measurable progress.
Share your experience with using Codility and InstantInterview.app. 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 InstantInterview.app 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 InstantInterview.app since Apr 2026.
When comparing Codility and InstantInterview.app, 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 InstantInterview.app:

AI interview copilot and realistic mock interviews to help you land the job
Compare Final Round AI - Interview Copilot to Codility or InstantInterview.app:

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

Free, anonymous technical interview practice
Compare interviewing.io to Codility or InstantInterview.app:


Crush Your Job Interview With Lockedin AI
Compare LockedIn AI to Codility or InstantInterview.app: