Mockly English vs Planet Cert

Mockly is a structured interview preparation platform built specifically for software engineers, product managers, and tech leads who interview in English as a second language. It covers the full interview journey — from CV structure and self-introductions to STAR behavioural frameworks, technical communication, and cultural expectations for US, UK, and EU companies. Members get access to guided interview guides, answer-building tools, language tasks, CV review credits, and a private community. The free plan covers general and behavioural interviews; premium ($9.99/month) unlocks technical interviews, system design, and advanced language coaching. A 7-day free trial is available with no commitment.

PlanetCert is a cutting-edge certification preparation platform tailored for the modern IT professional. Designed to cater to over 1,000 practice tests across more than 100 industry-leading providers such as AWS, Microsoft, Cisco, CompTIA, and Google, PlanetCert empowers learners to excel in their certification journeys. What sets us apart is our dedication to fostering true mastery rather than rote memorization. We emphasize understanding the "why" behind technology, ensuring that our users are well-equipped to tackle real-world scenarios. Our unique Lifetime Updates policy guarantees that users receive all future versions and successors of their purchased exam prep for free, enabling lifelong learning without additional costs. With flexible study modes and 24/7 support, PlanetCert is the ultimate partner for IT professionals aiming to ace their exams and boost their careers.