# Power Electronics vs MyBioTutor

The clearest difference is in-app purchases: MyBioTutor at none against Power Electronics's 6. MyBioTutor also leads on update cadence (daily vs every 2 months). Power Electronics's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Power Electronics sells 6 in-app purchases, starting at $9.99 per month. MyBioTutor asks for nothing beyond the download.

Power Electronics ships an update every 2 months, MyBioTutor daily. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Power Electronics | MyBioTutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/power-electronics/id6737322555/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 4 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Jeremy Burkett](https://appshunter.io/developer/1254864326) |

## What reviewers say

### Power Electronics

[App page](https://appshunter.io/ios/app/power-electronics/id6737322555)

This quiz app covers over 70 topics in power electronics, including switches, drive circuits, regulators, and various electronic components. It's designed to help users master the subject through interactive learning.

**Highlights:** Over 70 power electronics topics, Covers switches, drive circuits, regulators, Detailed component listings, Interactive quiz format, Master power electronics concepts

**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 |


### MyBioTutor

[App page](https://appshunter.io/ios/app/mybiotutor/id6740412218)

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

**In-app purchases:** none


## Frequently asked questions

### Is Power Electronics free?

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

### Is MyBioTutor free?

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

### Do Power Electronics or MyBioTutor have ads?

MyBioTutor shows ads; Power Electronics does not.

### Which is updated more often, Power Electronics or MyBioTutor?

Power Electronics ships an update every 2 months, and MyBioTutor daily. Most recently, Power Electronics was updated on September 18, 2026 and MyBioTutor on September 9, 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.*