# Electronics Tools & Calculator vs Power Electronics

The clearest difference is rating: Power Electronics at 5.0 against Electronics Tools & Calculator's 4.0. Power Electronics also leads on ads (none vs shown). Electronics Tools & Calculator's advantage is in-app purchases (none vs 6) and ratings volume (16 vs 1). On price and update cadence there is nothing between them.

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

Power Electronics holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Electronics Tools & Calculator has 16 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Electronics Tools & Calculator | Power Electronics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (16 ratings)](https://appshunter.io/ios/app/electronics-tools-and-calculator/id1581885136/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/power-electronics/id6737322555/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Electronics Tools & Calculator

[App page](https://appshunter.io/ios/app/electronics-tools-and-calculator/id1581885136)

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

**Highlights:** Electronic component reference, Electronic circuit reference, Filter design calculators, Inductor winding calculators, Transformer winding calculators, Resistor and capacitor calculations, Ohm's law and power calculations

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Electronics Tools & Calculator free?

Electronics Tools & Calculator is free to download, with no in-app purchases.

### Is Power Electronics free?

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

### Which has better reviews, Electronics Tools & Calculator or Power Electronics?

Power Electronics is rated higher. Electronics Tools & Calculator averages 4.0 out of 5 from 16 ratings, while Power Electronics averages 5.0 from 1 ratings.

### Do Electronics Tools & Calculator or Power Electronics have ads?

Electronics Tools & Calculator shows ads; Power Electronics does not.

### Which is updated more often, Electronics Tools & Calculator or Power Electronics?

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