# Class 11 Biology Notes vs OPXScholar

The clearest difference is price: OPXScholar at Free against Class 11 Biology Notes's $0.99. OPXScholar also leads on ads (none vs shown) and update cadence (every 5 days vs every 44 months). Class 11 Biology Notes's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.1). On device support there is nothing between them.

OPXScholar is free to download; Class 11 Biology Notes costs $0.99 up front. OPXScholar sells 3 in-app purchases, starting at $7.99 per month. Class 11 Biology Notes asks for nothing beyond the download.

Class 11 Biology Notes ships an update every 44 months, OPXScholar every 5 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Class 11 Biology Notes | OPXScholar |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 44 months | **Every 5 days** |
| Size | 22 MB | 78 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) | [ZENVIA INVESTMENTS (PRIVATE) LIMITED](https://appshunter.io/developer/1866706394) |

## What reviewers say

### Class 11 Biology Notes

[App page](https://appshunter.io/ios/app/class-11-biology-notes/id6444937788)

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

**In-app purchases:** none


### OPXScholar

[App page](https://appshunter.io/ios/app/opxscholar/id6757407978)

**Features:** macOS Compatibility, Family Sharing, Apple Wallet, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Plan | $7.99 | per month |
| Pro Plan | $12.99 | per month |
| UNLIMITED PLAN | $19.99 | per month |


## Frequently asked questions

### Is Class 11 Biology Notes free?

Class 11 Biology Notes costs $0.99, with no in-app purchases.

### Is OPXScholar free?

OPXScholar is free to download, with in-app purchases available.

### Do Class 11 Biology Notes or OPXScholar have ads?

Class 11 Biology Notes shows ads; OPXScholar does not.

### Which is updated more often, Class 11 Biology Notes or OPXScholar?

Class 11 Biology Notes ships an update every 44 months, and OPXScholar every 5 days. Most recently, Class 11 Biology Notes was updated on October 18, 2026 and OPXScholar on October 28, 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.*