Class 9 Study App by EduRev vs OjasOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Class 9 Study App by EduRev
This app provides comprehensive study materials for 9th-grade students, including NCERT textbooks, solutions, past papers, MCQs, and video lectures. It covers all subjects and aligns with the latest CBSE syllabus and guidelines.
- NCERT Textbooks & Solutions
- CBSE Past Year & Sample Papers
- MCQs and Online Tests
- Video Lectures
- RD Sharma & Lakhmir Singh Solutions
- Revision Notes
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Class 9 App is the best study app for class 9th which offers NCERT Textbook & Solutions, Class 9 NCERT Solutions, CBSE Past Year Papers, CBSE Sample Papers, MCQs, Online Test, Video Lectures, famous extra books (RD Sharma, Lakhmir Singh & Manjit Kaur), Sample Worksheets, CBSE Previous Year Papers with solutions, CBSE books & a lot more. Undoubtedly, its the Best Learning App for Class 9 students. All the courses in this Class 9 learning app have been designed in consideration to the latest CBSE Syllabus & CBSE guidelines. It offers: - Class 9 NCERT Books & Solutions for all the subjects of Class 9 Science, Maths, SST, English & Hindi - NCERT Books for Class 9th - NCERT Solutions for Class 9 subjects & NCERT book Solutions (complete exercise from the book) - Important Revision Notes for all subjects - Exhaustive Question Bank including Solved MCQs, Online Tests, Solved Sample Question Papers & Worksheets with solutions - RD Sharma Solutions for Class 9th maths - Lakhmir Singh & Manjit Kaur solutions for 9th class science - Short Answer Test Questions & Long Answer Questions as per the CBSE Board Marking Scheme, CBSE latest Syllabus, CBSE Class 9 Sample Papers with solutions - Also offers HOTS (High Order Thinking Questions), value-based questions, solved question papers & worksheets - Class 9 Science NCERT Textbook, Solutions, Important Notes, Topic-wise tests - Class 9 maths NCERT solutions, Textbook, Video lectures for CBSE Class 9, Test Questions to practice - Class 9 SST (Social Science) with revision notes - Class 9 English with English Grammar & different NCERT books - Class 9 Hindi with Hindi Grammar & different books - Study Material for Class 9 with subjective & objective questions, NCERT Textbook & Solutions, Solved MCQ Tests - Solved Sample Paper for Class 9 as per the guidelines of CBSE & its Class 9 syllabus - Class 9 Notes & Video Lectures - Previous Year Question Papers with solutions It's a complete guide for cbse 9th class & helps a student in CBSE Board Exam Preparation and is the best app for CBSE Class 9 students or best app for Class 9. Along with the Free Tests, Notes and Videos EduRev also provides Paid Full-Length Courses and Tests Series which you can opt at the respective price mentioned in the app Users can access all the Paid and Free Tests on Desktop Web, Mobile PWA & PhonePe Switch.
OjasOS
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OjasOS is an intelligence workspace designed to help users explore information, documents and knowledge from multiple domains in one place. Features: • Upload PDF, CSV, Excel, images and documents • Ask questions from uploaded files • Citation-based answers • Finance intelligence and market updates • Legal and compliance knowledge workspace • Scholar and current affairs support • Search and explore structured information • Save and organize important findings • Real-time chat experience OjasOS helps transform information overload into structured knowledge and actionable intelligence.
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Verdict
The clearest difference is in-app purchases: OjasOS at none against Class 9 Study App by EduRev's 10. OjasOS also leads on update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement 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
Both are free to download. Class 9 Study App by EduRev sells 10 one-off in-app purchases. OjasOS asks for nothing beyond the download.
Class 9 Study App by EduRev ships an update every 3 months, OjasOS every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Class 9 Study App by EduRev | OjasOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 86 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | EDUREV LEARNING PRIVATE LIMITED | Harsh Sansanwal |
In-app purchases
Class 9 Study App by EduRev
- EduRev Plan 1$2.99
- EduRev Plan 4$6.99
- EduRev Plan 6$9.99
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- EduRev Plan 13$24.99
- EduRev Plan 17$49.99
- EduRev Plan 18$59.99
- EduRev Plan 21$149.99
- EduRev Plan 22$199.99
- EduRev Plan 23$249.99
- EduRev Plan 25$399.99
OjasOS
No in-app purchases
Questions
Is Class 9 Study App by EduRev free?
Is OjasOS free?
Do Class 9 Study App by EduRev or OjasOS have ads?
Which is updated more often, Class 9 Study App by EduRev or OjasOS?
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