# Interview Prep vs Caser

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.

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.

## The numbers

| Metric | Interview Prep | Caser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caser-case-interview-trainer/id6792024154/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | — | Free |
| Size | 64 MB | 7 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Marco Santonocito](https://appshunter.io/developer/940445653) | [Luuk Pessers](https://appshunter.io/developer/6779676251) |

## What reviewers say

### Interview Prep

[App page](https://appshunter.io/ios/app/interview-prep-finance-career/id6784305234)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Altair Weekly | $6.99 | per 7 days |
| Altair Yearly | $59.99 | per year |


### Caser

[App page](https://appshunter.io/ios/app/caser-case-interview-trainer/id6792024154)

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.

**Highlights:** Flashcard-style structuring exercises, Brainstorming idea bucket practice, Personal fit question guidance, Reveal & Rate practice mode, Build It practice mode, Offline functionality, Customizable sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interview Prep free?

Interview Prep is free to download, with in-app purchases available.

### Is Caser free?

Caser is free to download, with no in-app purchases.

### Do Interview Prep or Caser have ads?

Neither Interview Prep nor Caser shows ads.

### Which is updated more often, Interview Prep or Caser?

Interview Prep ships an update fortnightly, and Caser every 11 days. Most recently, Interview Prep was updated on October 6, 2026 and Caser on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*