# Class 9 Study App by EduRev vs OjasOS

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.

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.

## The numbers

| Metric | Class 9 Study App by EduRev | OjasOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/class-9-study-app-by-edurev/id6740721112/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 86 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [EDUREV LEARNING PRIVATE LIMITED](https://appshunter.io/developer/1529835496) | [Harsh Sansanwal](https://appshunter.io/developer/6778540343) |

## What reviewers say

### Class 9 Study App by EduRev

[App page](https://appshunter.io/ios/app/class-9-study-app-by-edurev/id6740721112)

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.

**Highlights:** NCERT Textbooks & Solutions, CBSE Past Year & Sample Papers, MCQs and Online Tests, Video Lectures, RD Sharma & Lakhmir Singh Solutions, Revision Notes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EduRev Plan 1 | $2.99 | one-time |
| EduRev Plan 4 | $6.99 | one-time |
| EduRev Plan 6 | $9.99 | one-time |
| EduRev Plan 13 | $24.99 | one-time |
| EduRev Plan 17 | $49.99 | one-time |
| EduRev Plan 18 | $59.99 | one-time |
| EduRev Plan 21 | $149.99 | one-time |
| EduRev Plan 22 | $199.99 | one-time |
| EduRev Plan 23 | $249.99 | one-time |
| EduRev Plan 25 | $399.99 | one-time |


### OjasOS

[App page](https://appshunter.io/ios/app/ojasos/id6778540341)

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

**In-app purchases:** none


## Frequently asked questions

### Is Class 9 Study App by EduRev free?

Class 9 Study App by EduRev is free to download, with in-app purchases available.

### Is OjasOS free?

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

### Do Class 9 Study App by EduRev or OjasOS have ads?

Neither Class 9 Study App by EduRev nor OjasOS shows ads.

### Which is updated more often, Class 9 Study App by EduRev or OjasOS?

Class 9 Study App by EduRev ships an update every 3 months, and OjasOS every 6 weeks. Most recently, Class 9 Study App by EduRev was updated on October 24, 2026 and OjasOS on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*