# Interview Master vs Mad Func

The clearest difference is update cadence: Mad Func at every 3 days against Interview Master's fortnightly. Mad Func also leads on rating (5.0 vs 4.8). Interview Master's advantage is ratings volume (8 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Interview Master sells 1 in-app purchase, starting at $3.99 per month and Mad Func sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Mad Func holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interview Master has 8 ratings behind it against 1, so its average is the more settled of the two.

Interview Master ships an update fortnightly, Mad Func every 3 days. The most recent releases landed on September 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Interview Master | Mad Func |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/interview-master-data-science/id6472814256/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mad-func/id6747051739/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 28 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wowso Inc.](https://appshunter.io/developer/1385658786) | [Gina De La Rosa](https://appshunter.io/developer/1315362641) |

## What reviewers say

### Interview Master

[App page](https://appshunter.io/ios/app/interview-master-data-science/id6472814256)

Practice data science interviews with AI-powered simulations and daily quizzes. Receive instant feedback on your answers and track your progress to build confidence and deepen your understanding of complex topics.

**Highlights:** Real-time AI interview simulations, AI-evaluated daily quizzes, Instant feedback on answers, Progress tracking, Detailed question explanations, Community sharing features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IM: Data Science | $3.99 | per month |


### Mad Func

[App page](https://appshunter.io/ios/app/mad-func/id6747051739)

Learn algorithms and coding concepts through interactive, gamified challenges. Solve puzzles by arranging code blocks, debug issues, and tackle system design problems. Track your progress and prepare for interviews or strengthen your computer science fundamentals.

**Highlights:** Gamified algorithm puzzles, Interactive debugging, System design challenges, Multi-language support, Progress tracking dashboard, Weekly new challenges

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mad Func Pro | $2.99 | per 7 days |


## Frequently asked questions

### Is Interview Master free?

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

### Is Mad Func free?

Mad Func is free to download, with in-app purchases available.

### Which has better reviews, Interview Master or Mad Func?

Mad Func is rated higher. Interview Master averages 4.8 out of 5 from 8 ratings, while Mad Func averages 5.0 from 1 ratings.

### Do Interview Master or Mad Func have ads?

Neither Interview Master nor Mad Func shows ads.

### Which is updated more often, Interview Master or Mad Func?

Interview Master ships an update fortnightly, and Mad Func every 3 days. Most recently, Interview Master was updated on September 16, 2026 and Mad Func on October 2, 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.*