
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.
Vibe Island
Cowork Island
Agent Bar
Notch Pilot
Agent Sessions
CrewTower
AgentNotch
Local-first status for Claude Code, Codex, Antigravity, Grok, and Cursor.

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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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....
Agent Island is a free, MIT-licensed desktop status companion for Claude Code, Codex, Antigravity, Grok, and Cursor on macOS and Windows. It shows live running, stalled, and your-turn state plus local usage and cost estimates. It reads local session files, requires no Agent Island account, and...
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
No Agent-Island.dev videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Codility and Agent-Island.dev. 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 Agent-Island.dev 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 Agent-Island.dev since Jul 2026.
When comparing Codility and Agent-Island.dev, 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.
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A macOS notch panel that monitors AI coding agents - Claude Code, Codex, Cursor, and 23 more - with real-time status, permission approval, and precise terminal jump.
Compare Vibe Island to Codility or Agent-Island.dev:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Codility or Agent-Island.dev:

Keep your parallel AI sessions in view on Mac.
Compare Cowork Island to Codility or Agent-Island.dev:
