# MLExplorer > Machine learning interview preparation app with AI insights, coding, system design, and mock interviews. (iPhone/iPad app by Rui Huang.) - Source: https://appshunter.io/ios/app/mlexplorer/id6760930397 (this page in markdown: same URL + `.md`) - Developer: [Rui Huang](https://appshunter.io/developer/1886887898) - Category: Education, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 10 MB - Languages: English, French, German, Japanese, Korean, Chinese, Spanish - Released: 2026-04-08 - Data updated: 2026-07-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/mlexplorer/id6760930397/reviews.md ## What is MLExplorer? Land your dream ML job at OpenAI, Deepmind, Antropic, XAI, Google, Meta, Apple, or Amazon. ML Explorer is the only app built specifically for machine learning engineers -- combining research, coding practice, system design, and AI-powered interview prep in one place. Stop drowning in PDFs and scattered resources. ML Explorer brings everything you need into one focused, beautiful app. WHAT MAKES ML EXPLORER DIFFERENT AI INSIGHTS ON 6,000+ PAPERS Every paper comes with an instant AI breakdown -- plain English summary, core intuition, why it matters, and real interview questions. No more reading 20-page PDFs. 663 CODING CHALLENGES WITH FULL SOLUTIONS The exact problems that appear in ML interviews. Every solution in Python, NumPy, TensorFlow, and PyTorch with line-by-line explanations and interview key learnings. SYSTEM DESIGN WALKTHROUGHS Design YouTube's recommendation system. Build Meta's ad ranking pipeline. Architect Airbnb's search. Step-by-step breakdowns with real architecture diagrams. PAPER COLLECTIONS AROUND LANDMARK RESEARCH Deep-dive the papers that changed ML forever: Attention Is All You Need, AlexNet, DeepSeek R1, and more -- with curated coding problems tied to each paper. AI MOCK INTERVIEWS BY COMPANY Practice ML interviews the way each company runs them. Save questions as flashcards and track your mastery over time. START FREE -- NO CARD NEEDED New users get 7 days of full unlimited access. Explore every feature, solve every problem, read every insight -- completely free. Your next offer letter starts here. ## Key features - AI insights on 6,000+ ML papers - 663 coding challenges with solutions - System design walkthroughs - Paper collections around landmark research - AI mock interviews by company - 7-day free trial ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | ML Explorer Pro | $2.99 | per month | | ML Explorer Pro (Annual) | $9.99 | per year | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/mlexplorer/id6760930397/reviews.md ### 5/5 — Great app for ML learners *2026-04-12* Well designed app for both ML new learner and experienced veteran who is looking for polishing interview skills or catching latest trends in academia and industry. ### 5/5 — good app *2026-04-09* Really solid app for ML. I just scroll through it whenever I have a few minutes and always end up learning something useful. The way papers are organized is nice, and the insights save a lot of time. Also pretty helpful when getting ready for interviews. ### 5/5 — Best App to Learn ML *2026-04-09* Honestly one of the best apps I’ve used for ML. Super easy to just open and read a few papers when I have some free time. The summaries are actually helpful, not just copy-paste. Been using it a lot for interview prep too, especially for big tech. Makes it way easier to keep up with what’s going on. ## Frequently asked questions about MLExplorer ### What is MLExplorer? MLExplorer is an app designed to help machine learning engineers prepare for job interviews. It offers AI-powered summaries of research papers, coding challenges, system design breakdowns, and AI mock interviews. ### How does MLExplorer help with research papers? MLExplorer provides AI-generated summaries for over 6,000 machine learning papers, including plain English explanations, core intuition, and their significance. This helps users understand complex research without reading lengthy PDFs. ### What kind of coding practice does MLExplorer offer? The app features 663 coding challenges that are common in ML interviews. Each challenge includes full solutions in Python, NumPy, TensorFlow, and PyTorch, with detailed explanations and key interview learnings. ### Can I practice system design with MLExplorer? Yes, MLExplorer provides step-by-step walkthroughs for designing complex systems like recommendation engines and ad ranking pipelines. These include real architecture diagrams to aid understanding. ### Does MLExplorer offer mock interviews? MLExplorer includes AI-powered mock interviews tailored to specific companies. Users can save questions as flashcards and track their progress and mastery over time. ### Is MLExplorer free to use? MLExplorer offers a 7-day free trial with full access to all features. After the trial, in-app purchases may be required to continue accessing premium content and features. ### What devices does MLExplorer support? MLExplorer is available on iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms. ### How often is MLExplorer updated? The app was last updated on April 11, 2026, with version 1.2. This indicates a recent update, suggesting ongoing development and support. ## Version history (last 3 releases) ### 1.2 — 2026-04-11 • Solutions for ML coding challenges — Python, NumPy, TensorFlow, and PyTorch implementations with explanations • 7-day free trial for new users — full access to all features • ML Challenges: Collections tab now default view • System Design: first problem free for all users • Interview tab defaults to Company prep for new users • Bug fixes and performance improvements ### 1.1 — 2026-04-10 • Multi-language support: app now adapts to your iPhone language setting (Chinese, Japanese, Korean, Spanish, French, German) • New in-app language picker in Settings • Dedicated Company Interview Prep tab • Tab bar navigation for faster switching • Bug fixes and performance improvements ### 1.0 — 2026-04-08 No release notes. ## More apps by Rui Huang - [ReceipeMe](https://appshunter.io/ios/app/receipeme/id6762331906) All apps by Rui Huang: https://appshunter.io/developer/1886887898 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-10.*