# Sight Reading Pro vs Electromagnetism Quiz

The clearest difference is price: Electromagnetism Quiz at Free against Sight Reading Pro's $12.99. Sight Reading Pro's advantage is in-app purchases (none vs 6) and device support (3 vs 1). On update cadence and ads there is nothing between them.

Electromagnetism Quiz is free to download; Sight Reading Pro costs $12.99 up front. Electromagnetism Quiz sells 6 in-app purchases, starting at $9.99 per month. Sight Reading Pro asks for nothing beyond the download.

Sight Reading Pro ships an update every 4 months, Electromagnetism Quiz every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sight Reading Pro | Electromagnetism Quiz |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 53 MB | 23 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Sight Reading Pro

[App page](https://appshunter.io/ios/app/sight-reading-pro/id1670470570)

**Features:** macOS Compatibility

**In-app purchases:** none


### Electromagnetism Quiz

[App page](https://appshunter.io/ios/app/electromagnetism-quiz/id6739534831)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $9.99 | per month |
| 6 months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Sight Reading Pro free?

Sight Reading Pro costs $12.99, with no in-app purchases.

### Is Electromagnetism Quiz free?

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

### Do Sight Reading Pro or Electromagnetism Quiz have ads?

Neither Sight Reading Pro nor Electromagnetism Quiz shows ads.

### Which is updated more often, Sight Reading Pro or Electromagnetism Quiz?

Sight Reading Pro ships an update every 4 months, and Electromagnetism Quiz every 5 months. Most recently, Sight Reading Pro was updated on October 27, 2026 and Electromagnetism Quiz on October 30, 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.*