# Physics Questions vs Class 11 Biology Notes

The clearest difference is price: Physics Questions at Free against Class 11 Biology Notes's $0.99. Physics Questions also leads on update cadence (every 4 days vs every 44 months). Class 11 Biology Notes's advantage is in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Physics Questions is free to download; Class 11 Biology Notes costs $0.99 up front. Physics Questions sells 9 one-off in-app purchases. Class 11 Biology Notes asks for nothing beyond the download.

Physics Questions ships an update every 4 days, Class 11 Biology Notes every 44 months. The most recent releases landed on September 19, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Physics Questions | Class 11 Biology Notes |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 44 months |
| Size | 20 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Todd](https://appshunter.io/developer/1211079532) | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) |

## What reviewers say

### Physics Questions

[App page](https://appshunter.io/ios/app/physics-questions/id1616961005)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electricity Questions | $1.99 | one-time |
| Electronics Questions | $1.99 | one-time |
| Electromagnetism Questions | $1.99 | one-time |
| Force & Energy Questions | $1.99 | one-time |
| Motion Questions | $1.99 | one-time |
| Optics Questions | $1.99 | one-time |
| Radioactivity & Thermodynamics | $1.99 | one-time |
| Special Relativity Questions | $1.99 | one-time |
| Waves & Particles Questions | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Physics Questions free?

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

### Is Class 11 Biology Notes free?

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

### Do Physics Questions or Class 11 Biology Notes have ads?

Both Physics Questions and Class 11 Biology Notes show ads.

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

Physics Questions ships an update every 4 days, and Class 11 Biology Notes every 44 months. Most recently, Physics Questions was updated on September 19, 2026 and Class 11 Biology Notes on August 19, 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.*