# Refractive vs Learn Data Science Tutorials

The clearest difference is review sentiment: Refractive at 100% against Learn Data Science Tutorials's 0%. Refractive also leads on price (Free vs $2.99) and rating (5.0 vs 1.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Refractive is free to download; Learn Data Science Tutorials costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Refractive holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 100% of Refractive's written reviews are positive against 0% of Learn Data Science Tutorials's.

Refractive ships an update every 10 months, Learn Data Science Tutorials every 12 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Refractive | Learn Data Science Tutorials |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/refractive/id339056990/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/learn-data-science-tutorials/id6453023361/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | **Free** | Paid |
| Size | 20 MB | 72 MB |
| Requires iOS | **10** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [Muhammad Umair](https://appshunter.io/developer/1696049320) |

## What reviewers say

### Refractive

[App page](https://appshunter.io/ios/app/refractive/id339056990)

This application calculates the refractive index of transparent materials based on wavelength. It assists optical design engineers and students by computing transmission properties, angles, and critical values. Users can also define custom materials for their calculations.

**Highlights:** Refractive index calculation by wavelength, Light transmission angle calculation, Reflection and transmission coefficients, Critical angle and Brewster's angle calculation, Recall of refraction formulas, Custom material definition

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Refractive free?

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

### Is Learn Data Science Tutorials free?

Learn Data Science Tutorials costs $2.99, with no in-app purchases.

### Which has better reviews, Refractive or Learn Data Science Tutorials?

Refractive is rated higher. Refractive averages 5.0 out of 5 from 3 ratings, while Learn Data Science Tutorials averages 1.0 from 1 ratings.

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

Neither Refractive nor Learn Data Science Tutorials shows ads.

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

Refractive ships an update every 10 months, and Learn Data Science Tutorials every 12 months. Most recently, Refractive was updated on October 24, 2026 and Learn Data Science Tutorials on October 24, 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.*