# The Data Channel vs Interview Master

The clearest difference is monetization model: Interview Master at free with in-app purchases against The Data Channel's subscription. Interview Master also leads on update cadence (fortnightly vs every 6 weeks) and ratings volume (8 vs 2). The Data Channel's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. The Data Channel sells 2 in-app purchases, starting at $14.99 per month 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.

The Data Channel holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

The Data Channel ships an update every 6 weeks, Interview Master fortnightly. The most recent releases landed on June 5, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | The Data Channel | Interview Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-data-channel/id1588153677/reviews)** | [4.8 (8 ratings)](https://appshunter.io/ios/app/interview-master-data-science/id6472814256/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 24 MB | 36 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Leonard Training, Inc.](https://appshunter.io/developer/1588153679) | [Wowso Inc.](https://appshunter.io/developer/1385658786) |

## What reviewers say

### The Data Channel

[App page](https://appshunter.io/ios/app/the-data-channel/id1588153677)

Access educational content on data science and analytics through a subscription service. Learn at your own pace with flexible plan options and manage your subscription easily.

**Highlights:** Subscription-based learning, Flexible plan lengths, Manage subscriptions via iTunes, Free trial periods, Content for data professionals

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $14.99 | per month |
| Basic Annual | $149.99 | per year |


### 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 The Data Channel free?

The Data Channel 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, The Data Channel or Interview Master?

The Data Channel is rated higher. The Data Channel averages 5.0 out of 5 from 2 ratings, while Interview Master averages 4.8 from 8 ratings.

### Do The Data Channel or Interview Master have ads?

Neither The Data Channel nor Interview Master shows ads.

### Which is updated more often, The Data Channel or Interview Master?

The Data Channel ships an update every 6 weeks, and Interview Master fortnightly. Most recently, The Data Channel was updated on June 5, 2026 and Interview Master on June 9, 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.*