# Physics at school vs eChemBook

The clearest difference is price: eChemBook at Free against Physics at school's $14.99. eChemBook also leads on update cadence (every 6 weeks vs every 6 months) and iOS requirement (8.4 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

eChemBook is free to download; Physics at school costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Physics at school ships an update every 6 months, eChemBook every 6 weeks. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Physics at school | eChemBook |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/physics-at-school/id877683129/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 51 MB | 556 MB |
| Requires iOS | 12.0 | **8.4** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Vascak](https://appshunter.io/developer/868771511) | [Westermann Digital GmbH](https://appshunter.io/developer/1171669560) |

## What reviewers say

### Physics at school

[App page](https://appshunter.io/ios/app/physics-at-school/id877683129)

Explore physics concepts through 200 animations covering mechanics, thermodynamics, electricity, magnetism, optics, and more. This educational app provides visual learning for various physics topics.

**Highlights:** 200 physics animations, Mechanics, Thermodynamics, Electricity and Magnetism, Optics, Atomic and Nuclear Physics

**Features:** macOS Compatibility

**In-app purchases:** none


### eChemBook

[App page](https://appshunter.io/ios/app/echembook/id1045400763)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics at school free?

Physics at school costs $14.99, with no in-app purchases.

### Is eChemBook free?

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

### Do Physics at school or eChemBook have ads?

Neither Physics at school nor eChemBook shows ads.

### Which is updated more often, Physics at school or eChemBook?

Physics at school ships an update every 6 months, and eChemBook every 6 weeks. Most recently, Physics at school was updated on October 22, 2026 and eChemBook on October 7, 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.*