# Learn Data Science Tutorials vs Katav

The clearest difference is price: Katav at Free against Learn Data Science Tutorials's $1.99. Katav also leads on update cadence (every 5 days vs every 15 months). Learn Data Science Tutorials's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.1). On ads and device support there is nothing between them.

Katav is free to download; Learn Data Science Tutorials costs $1.99 up front. Katav sells 3 in-app purchases, starting at $7.99 per month. Learn Data Science Tutorials asks for nothing beyond the download.

Learn Data Science Tutorials ships an update every 15 months, Katav every 5 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | Learn Data Science Tutorials | Katav |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/learn-data-science-tutorials/id6453023361/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 41 MB | 127 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Muhammad Umair](https://appshunter.io/developer/1696049320) | [William Zimmermann](https://appshunter.io/developer/1281177749) |

## What reviewers say

### Learn Data Science Tutorials

[App page](https://appshunter.io/ios/app/learn-data-science-tutorials/id6453023361)

Master data science with this comprehensive learning app. It covers R programming, SQL, and data visualization fundamentals. Ideal for beginners and those preparing for interviews or tests.

**Highlights:** Data science fundamentals, R programming language, SQL curriculum, Data visualization, Interview preparation, Beginner-friendly lessons

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

**In-app purchases:** none


### Katav

[App page](https://appshunter.io/ios/app/katav/id6772588945)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Time Student | $7.99 | per month |
| Pro - Quarterly | $18.99 | per 3 months |
| Full Time Student - Yearly | $69.99 | per year |


## Frequently asked questions

### Is Learn Data Science Tutorials free?

Learn Data Science Tutorials costs $1.99, with no in-app purchases.

### Is Katav free?

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

### Do Learn Data Science Tutorials or Katav have ads?

Neither Learn Data Science Tutorials nor Katav shows ads.

### Which is updated more often, Learn Data Science Tutorials or Katav?

Learn Data Science Tutorials ships an update every 15 months, and Katav every 5 days. Most recently, Learn Data Science Tutorials was updated on October 13, 2026 and Katav on October 13, 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.*