# Voltage Drop & Wire Size vs Wire & Load

The clearest difference is update cadence: Voltage Drop & Wire Size at every 2 weeks against Wire & Load's every 2 months. Wire & Load's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Voltage Drop & Wire Size sells 1 one-off in-app purchase and Wire & Load sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Voltage Drop & Wire Size ships an update every 2 weeks, Wire & Load every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Voltage Drop & Wire Size | Wire & Load |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltage-drop-and-wire-size/id6762137454/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alona Nesterenko](https://appshunter.io/developer/1890650834) | [Shenzhen Fu Kang Heng Development Co., Ltd.](https://appshunter.io/developer/1863837413) |

## What reviewers say

### Voltage Drop & Wire Size

[App page](https://appshunter.io/ios/app/voltage-drop-and-wire-size/id6762137454)

Calculate voltage drop and size wires for electrical projects. Evaluate existing conductors or find the optimal size for your needs. Supports various electrical systems and international standards.

**Highlights:** Voltage drop calculation, Wire sizing, NEC/AWG and Metric support, Ampacity calculations, Save and reopen calculations, Adjustable temperature units

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


### Wire & Load

[App page](https://appshunter.io/ios/app/wire-and-load/id6768856542)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Voltage Drop & Wire Size free?

Voltage Drop & Wire Size is free to download, with in-app purchases available.

### Is Wire & Load free?

Wire & Load is free to download, with in-app purchases available.

### Do Voltage Drop & Wire Size or Wire & Load have ads?

Neither Voltage Drop & Wire Size nor Wire & Load shows ads.

### Which is updated more often, Voltage Drop & Wire Size or Wire & Load?

Voltage Drop & Wire Size ships an update every 2 weeks, and Wire & Load every 2 months. Most recently, Voltage Drop & Wire Size was updated on October 24, 2026 and Wire & Load on October 17, 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.*