# DSA Master vs Interview Master

The clearest difference is review sentiment: Interview Master at 88% against DSA Master's 13%. Interview Master also leads on rating (4.8 vs 4.2) and ads (none vs shown). DSA Master's advantage is update cadence (weekly vs fortnightly) and ratings volume (35 vs 8). On price, in-app purchases, monetization model and device support there is nothing between them.

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

Interview Master holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 35 and 8 respectively. Written reviews point the same way: 13% of DSA Master's written reviews are positive against 88% of Interview Master's.

DSA Master ships an update weekly, Interview Master fortnightly. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DSA Master | Interview Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (35 ratings)](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/interview-master-data-science/id6472814256/reviews)** |
| Number of ratings | **35** | 8 |
| Positive reviews | 12.5% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 150 MB | 36 MB |
| Requires iOS | 16.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [Wowso Inc.](https://appshunter.io/developer/1385658786) |

## What reviewers say

### DSA Master

[App page](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683)

Master algorithms and data structures with interactive visualizations, executable code, and practice challenges. Supports multiple programming languages and offers progress tracking for technical interview preparation.

**Highlights:** Interactive visualizations, Live code execution, Multi-language support, Practice challenges, Progress tracking, Algorithm animations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is DSA Master free?

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

### Is Interview Master free?

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

### Which has better reviews, DSA Master or Interview Master?

Interview Master is rated higher. DSA Master averages 4.2 out of 5 from 35 ratings, while Interview Master averages 4.8 from 8 ratings.

### Do DSA Master or Interview Master have ads?

DSA Master shows ads; Interview Master does not.

### Which is updated more often, DSA Master or Interview Master?

DSA Master ships an update weekly, and Interview Master fortnightly. Most recently, DSA Master was updated on September 22, 2026 and Interview Master on September 16, 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.*