# Case Math Trainer — Practice thinking analytically > Practice business-level arithmetic and problem-solving for case interviews. (iPhone/iPad app by James Holm.) - Source: https://appshunter.io/ios/app/case-math-trainer/id6794442816 (this page in markdown: same URL + `.md`) - Developer: [James Holm](https://appshunter.io/developer/6794442818) - Category: Education, Productivity - Price: Free - Rating: 5.00/5 from 7 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English - Released: 2026-08-13 - Data updated: 2026-09-15 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/case-math-trainer/id6794442816/reviews.md ## What is Case Math Trainer? No calculator. A clock running. An interviewer listening. Numbers in the millions where one dropped zero ends the discussion. The arithmetic was never the hard part, but the conditions are, and it's tough to practice them. Case Math Trainer drills the problem solving conditions, not just the math. DAILY ADAPTIVE TRAINING • Timed arithmetic sprints at business magnitudes — 748M ÷ 11, not 12 ÷ 4 • Dedicated zeros-management drills for the #1 careless-error class • Word problems where picking the right formula is scored separately from computing it — because most "math" misses are setup misses • Exhibit reading: pull numbers off bar, line, waterfall, and table charts under time pressure, and answer in real units • Benchmark decks on spaced repetition: 1/7 ≈ 14.3%, rule of 72, the shortcuts that free your working memory ANSWER OUT LOUD One block per session is spoken, not typed. On-device speech recognition checks your answer and times how long you hesitated before speaking — the composure metric interviews actually score. ASSESSMENT PREP • Trap sprints: percentage points vs. percent, weighted averages, denominator switches — every wrong option is a real classic error • Rapid-averaging speed drills • A mini-simulation that makes you collect data into a research journal from exhibits, then compute through chained questions where your own errors cascade IT ADAPTS TO YOU Every skill has its own difficulty staircase. Sessions are composed from your weaknesses — miss zeros this week, and next week's sessions know. Smart-rounding walkthroughs after every problem show the path a strong candidate takes. PRIVATE BY DESIGN No account. No tracking. Nothing leaves your phone — speech is processed on-device and never stored. Your data is yours, exportable anytime. Built for anyone preparing for consulting-style case interviews or quantitative assessment games. ## Key features - Timed arithmetic sprints with business magnitudes - Zero management drills - Word problems with separate formula scoring - Exhibit reading from charts - Spoken answer practice with speech recognition - Adaptive training based on weaknesses - Private by design, no account or tracking ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/case-math-trainer/id6794442816/reviews.md ### 5/5 — Get This App *2026-08-20* Perfect app for sharpening my skills. Works easily into my schedule. Straight forward and intuitive. Tons of great features ### 5/5 — Great *2026-08-20* Great warmup to start my workday before my client calls ### 5/5 — Useful *2026-08-19* Well made ### 5/5 — Very helpful! *2026-08-19* Simple user interface and works great for reviewing! ## Frequently asked questions about Case Math Trainer ### What is Case Math Trainer? Case Math Trainer is an app designed to help users practice arithmetic and problem-solving skills relevant to consulting case interviews. It focuses on timed drills, managing large numbers, and interpreting data from various sources. ### How does Case Math Trainer help with case interviews? It simulates the pressure of case interviews by using timed arithmetic sprints, word problems that test formula selection, and exhibit reading exercises. It also includes a unique spoken answer feature to practice composure. ### Does Case Math Trainer require an internet connection? The app is designed to be private by design, with speech processing done on-device. This suggests that core functionalities, including spoken answer practice, can likely be used offline. ### How does Case Math Trainer adapt to my learning? The app features adaptive training where each skill has its own difficulty. Sessions are composed based on your identified weaknesses, and smart-rounding walkthroughs are provided after each problem. ### What kind of math problems are included in Case Math Trainer? Problems include timed arithmetic sprints with large numbers (e.g., 748M ÷ 11), dedicated zero management drills, word problems where formula selection is scored separately, and exhibit reading from charts. ### Is Case Math Trainer suitable for beginners? The app is built for anyone preparing for case interviews or quantitative assessments, implying it caters to a range of skill levels. Its adaptive nature allows it to adjust difficulty based on user performance. ### How often is Case Math Trainer updated? The latest version is 1.0.4, and it was last updated on August 27, 2026. This indicates a recent update, suggesting ongoing development and support. ### What devices does Case Math Trainer support? Case Math Trainer currently supports iPhone devices. It is available for download for users on this platform. ## Version history (last 3 releases) ### 1.0.4 — 2026-08-27 bug fixes ### 1.0.3 — 2026-08-19 Updated description ### 1.0.2 — 2026-08-13 No release notes. ## More apps by James Holm - [Ironwood Vale](https://appshunter.io/ios/app/ironwood-vale/id6802517669) All apps by James Holm: https://appshunter.io/developer/6794442818 --- *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 2026-09-15.*