# Cable Calc vs Voltage Drop Calculators

The clearest difference is price: Voltage Drop Calculators at $3.99 against Cable Calc's $14.99. Cable Calc's advantage is iOS requirement (11.0 vs 15.6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Cable Calc costs $14.99 and Voltage Drop Calculators $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cable Calc ships an update every 4 months, Voltage Drop Calculators every 7 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Cable Calc | Voltage Drop Calculators |
| --- | --- | --- |
| Price | $14.99 | **$3.99** |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 3 MB | 67 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Cable Calc

[App page](https://appshunter.io/ios/app/cable-calc/id1044306956)

Calculate the minimum required cable size for single and three-phase circuits based on BS 7671 standards. Input design criteria, installation methods, and environmental factors to determine appropriate cable dimensions. Save or print detailed results for your projects.

**Highlights:** Calculate single and three-phase radial circuits, Calculate single-phase ring final circuits, Based on BS 7671 standards, Enter design criteria, Select cable type, installation method, ambient temperature, and grouping, Save or print results, Add circuit and client details

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Cable Calc free?

Cable Calc costs $14.99, with no in-app purchases.

### Is Voltage Drop Calculators free?

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

### Do Cable Calc or Voltage Drop Calculators have ads?

Neither Cable Calc nor Voltage Drop Calculators shows ads.

### Which is updated more often, Cable Calc or Voltage Drop Calculators?

Cable Calc ships an update every 4 months, and Voltage Drop Calculators every 7 months. Most recently, Cable Calc was updated on October 14, 2026 and Voltage Drop Calculators on October 13, 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.*