# Engineer's Unit Converter vs Wire & Load

The clearest difference is ads: Wire & Load at none against Engineer's Unit Converter's shown. Wire & Load also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Engineer's Unit Converter 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.

Engineer's Unit Converter ships an update monthly, Wire & Load every 2 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Engineer's Unit Converter | Wire & Load |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 7 MB | 3 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jose Gerardo Palma Duran](https://appshunter.io/developer/1873843788) | [Shenzhen Fu Kang Heng Development Co., Ltd.](https://appshunter.io/developer/1863837413) |

## What reviewers say

### Engineer's Unit Converter

[App page](https://appshunter.io/ios/app/engineers-unit-converter/id6758744042)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | 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 Engineer's Unit Converter free?

Engineer's Unit Converter 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 Engineer's Unit Converter or Wire & Load have ads?

Engineer's Unit Converter shows ads; Wire & Load does not.

### Which is updated more often, Engineer's Unit Converter or Wire & Load?

Engineer's Unit Converter ships an update monthly, and Wire & Load every 2 months. Most recently, Engineer's Unit Converter was updated on October 15, 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.*