# Voltage Regulator vs Learn About Electronics

The clearest difference is rating: Voltage Regulator at 4.8 against Learn About Electronics's 3.5. Voltage Regulator also leads on iOS requirement (12.0 vs 15.1). Learn About Electronics's advantage is update cadence (every 3 weeks vs every 9 months) and monetization model (free vs freemium). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Voltage Regulator sells 1 one-off in-app purchase and Learn About Electronics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Voltage Regulator holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Voltage Regulator ships an update every 9 months, Learn About Electronics every 3 weeks. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Voltage Regulator | Learn About Electronics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/voltage-regulator/id1149145965/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/learn-about-electronics/id6446805089/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 3 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## What reviewers say

### Voltage Regulator

[App page](https://appshunter.io/ios/app/voltage-regulator/id1149145965)

Calculate resistor combinations for adjustable voltage regulators. This tool helps electronics hobbyists and professionals determine desired output voltages and resistor values. Results can be exported and shared easily.

**Highlights:** Adjustable voltage regulator support, Calculate resistor combinations, Determine resistor values, Export results to CSV, Share CSV via iCloud/AirDrop

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro features | $1.99 | one-time |


### Learn About Electronics

[App page](https://appshunter.io/ios/app/learn-about-electronics/id6446805089)

This educational app helps users memorize and identify electronic components through study modes and quizzes. It features audio pronunciation in English and progress tracking for each chapter. Users can bookmark flashcards and quiz questions for focused learning.

**Highlights:** Audio pronunciation of components, Study mode, Quiz mode, Bookmarking flashcards and questions, Progress indicators, Text-to-speech functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Voltage Regulator free?

Voltage Regulator is free to download, with in-app purchases available.

### Is Learn About Electronics free?

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

### Which has better reviews, Voltage Regulator or Learn About Electronics?

Voltage Regulator is rated higher. Voltage Regulator averages 4.8 out of 5 from 5 ratings, while Learn About Electronics averages 3.5 from 2 ratings.

### Do Voltage Regulator or Learn About Electronics have ads?

Neither Voltage Regulator nor Learn About Electronics shows ads.

### Which is updated more often, Voltage Regulator or Learn About Electronics?

Voltage Regulator ships an update every 9 months, and Learn About Electronics every 3 weeks. Most recently, Voltage Regulator was updated on September 16, 2026 and Learn About Electronics on June 1, 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.*