# Voltage Regulator vs CircuitWay

The clearest difference is update cadence: CircuitWay at monthly against Voltage Regulator's every 9 months. Voltage Regulator's advantage is iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Voltage Regulator sells 1 one-off in-app purchase and CircuitWay sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Voltage Regulator against 4.7 for CircuitWay. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Voltage Regulator ships an update every 9 months, CircuitWay monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Voltage Regulator | CircuitWay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/voltage-regulator/id1149145965/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/circuitway-circuit-simulator/id6751744974/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 3 MB | 392 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [栋侠 郑](https://appshunter.io/developer/1549440619) |

## 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 |


### CircuitWay

[App page](https://appshunter.io/ios/app/circuitway-circuit-simulator/id6751744974)

Design, simulate, and analyze analog and digital electronic circuits on your device. Explore numerous example circuits and a vast library of components, including support for Verilog and Arduino modeling. Perform transient, DC sweep, AC, and FFT analyses with waveform manipulation.

**Highlights:** Analog and digital circuit simulation, Extensive library of 106+ components, Support for Verilog and Arduino modeling, Transient, DC sweep, AC, and FFT analysis, Waveform manipulation and math expressions, 97 example circuits for learning

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Quarterly Subscription | $6.99 | per 3 months |
| Annual Subscription | $19.99 | per year |


## Frequently asked questions

### Is Voltage Regulator free?

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

### Is CircuitWay free?

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

### Which has better reviews, Voltage Regulator or CircuitWay?

Voltage Regulator is rated higher. Voltage Regulator averages 4.8 out of 5 from 5 ratings, while CircuitWay averages 4.7 from 3 ratings.

### Do Voltage Regulator or CircuitWay have ads?

Neither Voltage Regulator nor CircuitWay shows ads.

### Which is updated more often, Voltage Regulator or CircuitWay?

Voltage Regulator ships an update every 9 months, and CircuitWay monthly. Most recently, Voltage Regulator was updated on October 24, 2026 and CircuitWay on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*