# Voltage Drop Calculators vs Constropedia Area Volume Calc

The clearest difference is price: Constropedia Area Volume Calc at Free against Voltage Drop Calculators's $3.99. Constropedia Area Volume Calc also leads on iOS requirement (13.0 vs 15.6). Voltage Drop Calculators's advantage is in-app purchases (none vs 1) and update cadence (every 7 months vs every 19 months). On ads and device support there is nothing between them.

Constropedia Area Volume Calc is free to download; Voltage Drop Calculators costs $3.99 up front. Constropedia Area Volume Calc sells 1 one-off in-app purchase. Voltage Drop Calculators asks for nothing beyond the download.

Voltage Drop Calculators ships an update every 7 months, Constropedia Area Volume Calc every 19 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Voltage Drop Calculators | Constropedia Area Volume Calc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 19 months |
| Monetization | Paid | — |
| Size | 67 MB | 40 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) |

## What reviewers say

### Voltage Drop Calculators

[App page](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324)

This tool helps electrical professionals and students perform quick and accurate voltage drop calculations. It features a user-friendly interface, a material database, and the ability to save circuit details for efficient system design and compliance.

**Highlights:** Fast voltage drop calculations, Built-in material database, Custom material support, Save circuit details, Unit conversion, Recommended wire size guidance

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

**In-app purchases:** none


### Constropedia Area Volume Calc

[App page](https://appshunter.io/ios/app/constropedia-area-volume-calc/id6504486155)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Area Volume Pro | $0.99 | one-time |


## Frequently asked questions

### Is Voltage Drop Calculators free?

Voltage Drop Calculators costs $3.99, with no in-app purchases.

### Is Constropedia Area Volume Calc free?

Constropedia Area Volume Calc is free to download, with in-app purchases available.

### Do Voltage Drop Calculators or Constropedia Area Volume Calc have ads?

Neither Voltage Drop Calculators nor Constropedia Area Volume Calc shows ads.

### Which is updated more often, Voltage Drop Calculators or Constropedia Area Volume Calc?

Voltage Drop Calculators ships an update every 7 months, and Constropedia Area Volume Calc every 19 months. Most recently, Voltage Drop Calculators was updated on October 24, 2026 and Constropedia Area Volume Calc on October 15, 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.*