Comparison

Refractive vs Learn Data Science Tutorials

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Refractive

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
Read full description

Refractive is a software that calculates the refractive index of the major transparent materials in accordance to wavelength. Refractive is conceived for Optical design engineers as well as students interested in optics. All that’s needed is to select two materials to calculate their transmission proprieties. Characteristics : - Calculation of the refractive index according to wavelength; - Calculation of light’s transmission angles; - Reflection and transmission coefficients for the two materials in accordance to the angle of incidence; - Calculation of the critical angle and Brewster’s angle,; - Recall of the major refraction formulas; - Possibility to define personalized materials.

About

Learn Data Science Tutorials

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
Read full description

Learn Data Science – Python, Statistics & Data Analytics Explore Data Science through structured lessons, quizzes, coding practice, and progress tracking. Learn Data Science brings essential learning topics together in one organized educational app. Study Python programming, data analysis, visualization, statistics, machine learning concepts, and more while following your progress at your own pace. EXPLORE 15 CHAPTERS, 120 LESSONS & 121 QUIZZES Follow an organized learning path covering Data Science fundamentals and related technical subjects. Each chapter contains lessons and quizzes to help you explore important concepts, review your knowledge, and continue learning step by step. WHAT YOU WILL LEARN Explore educational topics including: • Introduction to Data Science • History and Evolution of Data Science • Data Science vs Data Analytics vs AI vs ML • Real-World Applications of Data Science • Data Science Lifecycle • Roles in Data Science • Tools and Technologies Used in Data Science • Python Programming for Data Science • Data Manipulation and Analysis • Data Visualization • Statistics for Data Science Discover the concepts, tools, and applications associated with Data Science through organized learning content. LEARN WITH STRUCTURED LESSONS Access 120 lessons across 15 chapters. • Follow lessons in an organized sequence • View chapter reading information • Continue reading unfinished lessons • Check lesson completion percentages • Review your learning progress PRACTICE WITH 121 QUIZZES Explore quizzes related to your learning content. • Review concepts through quiz questions • Practice your understanding • Explore chapter-based quizzes • Reinforce knowledge as you study WRITE AND RUN CODE Use the built-in Code Editor to explore programming. • Write and run code • Practice Python programming • Explore JavaScript, Dart, and C++ • Access quick coding examples • Experiment with coding concepts TRACK YOUR LEARNING PROGRESS Follow your learning journey with progress information. • View completed lessons • Monitor overall completion • Explore chapter progress • Check your daily learning streak • Review your completion rate • View learning statistics CREATE YOUR DAILY STUDY SCHEDULE Build a consistent learning routine with scheduling tools. • Choose your preferred study time • Select a study duration • Set repeat days • Enable study reminders • Save your learning schedule TAKE NOTES AND BOOKMARK LESSONS Keep important learning content accessible. • Take notes while studying • Access your saved notes • Bookmark useful lessons • Revisit bookmarked content • Continue unfinished lessons SEARCH DATA SCIENCE TOPICS Find learning content through the app's search features. • Search lessons and topics • Explore learning categories • Browse popular topics • Access recent searches • Find relevant educational content EXPLORE COMMUNITY HELP Browse questions, answers, and shared solutions from the learning community. Explore programming topics, discover popular questions, and review helpful answers. PERSONALIZE YOUR EXPERIENCE Adjust your learning environment with available settings. • Dark Mode • App Language • Text Size • Notifications • Learning Preferences • Bookmarked Lessons • My Notes LEARN, PRACTICE AND MAKE PROGRESS Learn Data Science combines structured educational content with quizzes, coding practice, study scheduling, note-taking, bookmarks, and learning progress tracking. Whether you are exploring Data Science fundamentals, Python programming, statistics, or data visualization, follow your learning journey through an organized collection of lessons and practice activities. Start learning Data Science today.

Screenshots

Refractive4 screens
Learn Data Science Tutorials4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Refractive versus Learn Data Science Tutorials: the parameters behind the verdict, then further details
ParameterRefractiveLearn Data Science Tutorials
PriceFree — better$2.99
Rating5.0 (3 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 10 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10 — better15.6
Further details — not scored
Size20 MB72 MB
Age rating4+9+
DeveloperXavier DaxheletMuhammad Umair

Customer experience

Refractive

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Learn Data Science Tutorials

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Refractive

No in-app purchases

None

Learn Data Science Tutorials

No in-app purchases

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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