Codility vs Testlify
Codility
codility.comTestlify
testlify.comSide by side
| Figure | Codility | Testlify |
|---|---|---|
| Price from | $100/mo | $139/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · Talent Assessment Software | 9.0 (#3) | 8.6 (#5) |
| Spec score · Assessment Software | 9.1 (#4) | 8.5 (#11) |
| Spec score · Pre-Employment Assessment Software | 9.0 (#4) | 8.6 (#7) |
| API | Codility provides a public API for recruitment and business-intelligence integrations and documents OAuth2 for connecting user accounts. | The integrations page describes a REST API and real-time event webhooks for custom workflows. |
| Company size | LinkedIn lists Codility as privately held, founded in 2009, headquartered in London and employing 51–200 people. | LinkedIn lists Testlify as privately held, founded in 2022, headquartered in Greater Philadelphia and employing 11–50 people. |
| Founded | Codility was founded in 2009 by Greg Jakacki, with Natalia Panowicz contributing psychometrics and business expertise. | 2022 |
| Headquarters | Codility is headquartered in London and has offices in Poland, Germany and the United States. | Bensalem, Pennsylvania, United States |
| Integrations | Codility lists Greenhouse, Lever, Ashby, Workday, SAP and other enterprise ATS/HRIS integrations. | Testlify lists 100+ ATS and HR platforms, including Workday, SAP SuccessFactors, Lever, Greenhouse, and BambooHR. |
| Licence | Codility’s terms reserve rights in the service and underlying software and grant access only under an order form, indicating proprietary software. | Testlify is proprietary commercial software: its terms prohibit copying, reverse engineering, sublicensing and access to source code. |
| Product | Codility offers Screen, Interview, and Skills Intelligence for engineering hiring, technical interviews, and workforce skills mapping. | Testlify describes itself as an AI-powered skills assessment and interviewing platform for hiring teams. |
| Rating on G2 | 4.6 out of 5 from 865+ verified reviews. | 4.7 out of 5 from 806 reviews. |
| Rating on Trustpilot | 2.2 out of 5 from 8 reviews. | 2.9 out of 5 from 3 reviews. |
| Security | Codility states its information security program is ISO 27001 certified and covered by a SOC 2 Type II report; data is encrypted in transit and at rest. | Testlify states that customer data is encrypted by default and describes audit logs, backups, recovery, and security testing. |
| Support | The help center offers searchable articles, tutorials, integration guidance, security administration and ticket support. | Standard lists email and chat support; the Custom plan includes priority support SLAs and a dedicated customer success manager. |
| System requirements | Supported assessment browsers are Chrome 131+, Firefox 132+, Opera 114+, Safari 17+ and Chromium Edge 130+. | Candidate guidance recommends desktop or laptop use, Chrome, Firefox or Edge version 120 or newer, Safari 16 or newer, cookies enabled and camera or microphone permissions when required. |
| What it does | Codility assesses job candidates and employees through technical and AI-skills work simulations. | Testlify is a talent-assessment and interviewing platform for structured, skills-based hiring. |
Plans
Testlify
- Standard (Starter plan)$139 a month
- Starter$139 a month
- CustomPriced on request
In their own words
Codility
Codility offers Screen, Interview and Skills Intelligence for engineering hiring, technical interviews and workforce skills mapping. Screen provides online technical assessments with objective scores and detailed breakdowns across a library of more than 1,300 tasks. Interview supports live technical interviews in a VS Code environment, including whiteboarding, pair programming, live code execution, recordings and structured evaluation. Skills Intelligence maps engineering capabilities, identifies gaps and supports project staffing and development planning. Teams can configure AI use for each assessment, with tasks on prompt engineering, evaluating AI-generated code and working with AI tools. Codility connects with recruiting and HR systems including Greenhouse, Lever, Ashby, Workday, SAP and SmartRecruiters. Its public API supports invitations, result retrieval, completion alerts and custom reporting, with a limit of 500 requests per user per hour. Codility says its security program is ISO 27001 certified and covered by a SOC 2 Type II report; it also states that data is encrypted in transit and at rest. It states GDPR and CCPA compliance and WCAG 2.2 AA accessibility. The company was founded in 2009 and is headquartered in London.
Testlify
Testlify is an AI-powered skills assessment and interviewing platform for hiring teams. Its library includes more than 3,500 validated tests across role-specific, cognitive, coding, language, and personality categories. Teams can create assessments with video, audio, coding, and situational-judgment questions. Interviews can be one-way or two-way and use video, audio, or chat, including conversational AI interviews. Testlify says it automatically evaluates video, audio, chat, and coding responses, while recruiters retain control of final hiring decisions. Proctoring options include full-screen enforcement, tab-switch and copy-paste detection, webcam snapshots, and IP or location checks. It lists more than 100 ATS and HR integrations, including Workday, SAP SuccessFactors, Lever, Greenhouse, and BambooHR, plus a REST API and event webhooks. Candidates can complete assessments in a modern browser on desktop, tablet, or mobile without installing software. The paid Standard plan costs $139 a month, billed $1,668/year, and includes 100 credits per year and three user seats. Unused credits expire at the billing-cycle end. A 7-day trial is listed; there is no free plan.