GrammOrNot vs Learn Data Science Tutorials
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GrammOrNot
This educational app uses helpful critters to guide users in identifying and correcting common grammar mistakes. Players select the correct sentence to improve their score and progress through interactive challenges.
- Interactive grammar challenges
- Critter-guided learning
- Score-based progression
- Focus on common mistakes
- Sentence selection gameplay
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The helpful critters in this app want you to understand common grammar mistakes. Your mission, if you choose to accept it, is to select the correct sentence. Incorrect answers will lower your overall score. Follow onscreen buttons to move through the app, and as always, may the grammar odds be ever in your favor!
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.
- Data science fundamentals
- R programming language
- SQL curriculum
- Data visualization
- Interview preparation
- Beginner-friendly lessons
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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
Verdict
The clearest difference is review sentiment: GrammOrNot at 100% against Learn Data Science Tutorials's 0%. GrammOrNot also leads on price (Free vs $2.99) and rating (5.0 vs 1.0). On 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
GrammOrNot 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.
GrammOrNot 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 GrammOrNot's written reviews are positive against 0% of Learn Data Science Tutorials's.
GrammOrNot ships an update every 5 months, Learn Data Science Tutorials every 10 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.
| Parameter | GrammOrNot | Learn Data Science Tutorials |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 5 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 50 MB | 74 MB |
| Age rating | 4+ | 9+ |
| Developer | Cheryl Montgomery | Muhammad Umair |
Customer experience
GrammOrNot
Learn Data Science Tutorials
In-app purchases
GrammOrNot
No in-app purchases
Learn Data Science Tutorials
No in-app purchases
Questions
Is GrammOrNot free?
Is Learn Data Science Tutorials free?
Which has better reviews, GrammOrNot or Learn Data Science Tutorials?
Do GrammOrNot or Learn Data Science Tutorials have ads?
Which is updated more often, GrammOrNot or Learn Data Science Tutorials?
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