# Voltage Drop Calculators vs Derated

The clearest difference is rating: Derated at 4.9 against Voltage Drop Calculators's 4.0. Derated also leads on price ($1.99 vs $3.99). Voltage Drop Calculators's advantage is iOS requirement (15.6 vs 17.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Voltage Drop Calculators costs $3.99 and Derated $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Derated holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

## The numbers

| Metric | Voltage Drop Calculators | Derated |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324/reviews) | **[4.9 (10 ratings)](https://appshunter.io/ios/app/derated-conduit-fill/id6468839409/reviews)** |
| Number of ratings | 4 | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | Paid |
| Size | 67 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Bret Hardman](https://appshunter.io/developer/788803580) |

## 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


### Derated

[App page](https://appshunter.io/ios/app/derated-conduit-fill/id6468839409)

This app simplifies complex electrical calculations for electricians. It allows real-time calculation of conduit fill and wire ampacity derating, adhering to NEC guidelines. Results are accurate and easily shareable for collaboration or client communication.

**Highlights:** Real-time conduit fill calculation, Simultaneous wire ampacity derating, Adheres to NEC guidelines, Uses NEC Chapter 9, Table 4 & 5 data, Easy wire set setup, Shareable calculation results

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Drop Calculators free?

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

### Is Derated free?

Derated costs $1.99, with no in-app purchases.

### Which has better reviews, Voltage Drop Calculators or Derated?

Derated is rated higher. Voltage Drop Calculators averages 4.0 out of 5 from 4 ratings, while Derated averages 4.9 from 10 ratings.

### Do Voltage Drop Calculators or Derated have ads?

Neither Voltage Drop Calculators nor Derated shows ads.

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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.*