# Electromagnetic Theory Quiz vs EMpolarization

The clearest difference is in-app purchases: EMpolarization at none against Electromagnetic Theory Quiz's 7. EMpolarization also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Electromagnetic Theory Quiz sells 7 in-app purchases, starting at $4.99 per month. EMpolarization asks for nothing beyond the download.

## The numbers

| Metric | Electromagnetic Theory Quiz | EMpolarization |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 68 MB | 1 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arshad Iqbal](https://appshunter.io/developer/1547001151) | [Eng Tan](https://appshunter.io/developer/1025260544) |

## What reviewers say

### Electromagnetic Theory Quiz

[App page](https://appshunter.io/ios/app/electromagnetic-theory-quiz/id1584634207)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


### EMpolarization

[App page](https://appshunter.io/ios/app/empolarization/id6446095365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electromagnetic Theory Quiz free?

Electromagnetic Theory Quiz is free to download, with in-app purchases available.

### Is EMpolarization free?

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

### Do Electromagnetic Theory Quiz or EMpolarization have ads?

Electromagnetic Theory Quiz shows ads; EMpolarization does not.

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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.*