Interview Prep vs Caser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interview Prep
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Land the offer. Altair Fellowship is built for students and candidates breaking into elite finance: Investment Banking, Private Equity, Sales & Trading, and Real Estate. Short, sharp quiz sessions you can run between lectures, on the train, or the night before a superday. WHAT YOU GET - Interview Challenge: A multiple-choice gauntlet on your target vertical, with instant explanations so you learn the "why," behind every topic. - Bank-specific drills: Practice by firm and module. Train for the desk you're interviewing with. - Track your edge: Accuracy by vertical and module, automatic weak-spot detection, and one-tap mistake review. COVERAGE - IB · Investment Banking - PE · Private Equity - ST · Sales & Trading - RE · Real Estate WHO IT'S FOR University students that are looking for a summer internship, off-cycle and lateral candidates, and anyone prepping technicals for bulge brackets, elite boutiques, and top funds. 11,000+ questions. Start your free trial and crush your next interview. — Privacy Policy: https://app.altairfellowship.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Caser
This app offers focused training for case interviews, helping users develop structuring, brainstorming, and personal fit question skills. It uses flashcard-style exercises for active recall and can be customized by difficulty or case type. The app is fully offline and designed for quick, on-the-go practice.
- Flashcard-style structuring exercises
- Brainstorming idea bucket practice
- Personal fit question guidance
- Reveal & Rate practice mode
- Build It practice mode
- Offline functionality
- Customizable sessions
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Train skills you'll need during case interviews with exercises that fit in your pocket and can be done on the go. Caser is a fast and focused case interview trainer built for key ingredients to success: the structure you're approaching the case with, coming up with creative, well-structured ideas during a brainstorm, and answering personal fit questions the right way. Use flashcard-style practice for structuring and brainstorming, the two well-trainable sub-skills in consulting-style case interviews, done in short reps instead of long-form mock cases. If you're prepping for management consulting interviews, sharpening your strategic thinking through ambiguous business problems, or just want your frameworks to stop feeling generic, Caser turns casebook practice into active recall - just like training your muscles during a workout. Read the prompt, think it through, reveal the model answer, and rate yourself. When you do it enough times, MECE becomes how you naturally break problems apart. You can customize a session by difficulty, case type, or leave it open and let Caser pull from your full library. Work Caser's drills across: - Structuring exercises, where you read a case prompt and reveal a model issue tree: a clean, MECE hierarchy of branches and sub-branches, with coaching notes on why it's shaped the way it is - Brainstorm exercises, in which you read an open-ended prompt and reveal the expected idea buckets with examples - Personal Fit questions, where you'll be shown an interview question and then given guidance for improvement For Structuring and Brainstorm modes, choose the practice mode that fits your moment: - Reveal & Rate for fast, flashcard-style training - Build It for deeper practice where you can build your answer in the app Caser is fully offline, private, and built to fit into whatever five minutes you have. No accounts. No tracking. No data leaving your phone. Just a fast native iOS app that gets out of your way between the prompt and the next rep. Get ready for your case interviews, sharper structured thinking, or just better brainstorms: open Caser and start drilling.
Screenshots
Verdict
The clearest difference is in-app purchases: Caser at none against Interview Prep's 2. Interview Prep's advantage is iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Interview Prep sells 2 in-app purchases, starting at $6.99 per 7 days. Caser asks for nothing beyond the download.
Interview Prep ships an update fortnightly, Caser every 11 days. Both last shipped on October 6, 2026.
| Parameter | Interview Prep | Caser |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 64 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Marco Santonocito | Luuk Pessers |
In-app purchases
Interview Prep
- Altair Weekly3 Days trial$6.997 Days
- Altair Yearly3 Days trial$59.991 Year
Caser
No in-app purchases









