# SLD Sizer for Engineering vs Wire (AWG) Calculator

SLD Sizer for Engineering and Wire (AWG) Calculator both sit at 4.3 stars, but that hides the real split: 100% of Wire (AWG) Calculator's written reviews are positive against 50% of SLD Sizer for Engineering's. Wire (AWG) Calculator also leads on update cadence (every 2 months vs every 9 months). SLD Sizer for Engineering's advantage is iOS requirement (10.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for SLD Sizer for Engineering against 4.2 for Wire (AWG) Calculator. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews are what separate them: 50% of SLD Sizer for Engineering's written reviews are positive against 100% of Wire (AWG) Calculator's.

SLD Sizer for Engineering ships an update every 9 months, Wire (AWG) Calculator every 2 months. The most recent releases landed on June 21, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | SLD Sizer for Engineering | Wire (AWG) Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/sld-sizer-for-engineering/id385456839/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/wire-awg-calculator/id1526471471/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 16 MB | 24 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KP Phillips](https://appshunter.io/developer/385456842) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### SLD Sizer for Engineering

[App page](https://appshunter.io/ios/app/sld-sizer-for-engineering/id385456839)

This reference tool helps electrical engineers, designers, and contractors determine appropriate wire and conduit sizes. It provides minimum requirements based on selected load and NEC data for quick design verification.

**Highlights:** Wire and conduit sizing, Load-based calculations, NEC data compliance, Design verification, Quick reference tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Wire (AWG) Calculator

[App page](https://appshunter.io/ios/app/wire-awg-calculator/id1526471471)

This app assists aircraft mechanics in selecting the correct American Wire Gauge (AWG) for aircraft wiring. It calculates wire size based on circuit length, current, voltage, temperature, and derating factors, referencing FAA guidelines.

**Highlights:** AWG wire size calculation, Voltage, current, and length inputs, Temperature and derating factors, Altitude deration calculation, Bundle deration calculation, Bundle Builder utility

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

**In-app purchases:** none


## Frequently asked questions

### Is SLD Sizer for Engineering free?

SLD Sizer for Engineering is free to download, with no in-app purchases.

### Is Wire (AWG) Calculator free?

Wire (AWG) Calculator is free to download, with no in-app purchases.

### Which has better reviews, SLD Sizer for Engineering or Wire (AWG) Calculator?

SLD Sizer for Engineering is rated higher. SLD Sizer for Engineering averages 4.3 out of 5 from 7 ratings, while Wire (AWG) Calculator averages 4.2 from 6 ratings.

### Do SLD Sizer for Engineering or Wire (AWG) Calculator have ads?

Neither SLD Sizer for Engineering nor Wire (AWG) Calculator shows ads.

### Which is updated more often, SLD Sizer for Engineering or Wire (AWG) Calculator?

SLD Sizer for Engineering ships an update every 9 months, and Wire (AWG) Calculator every 2 months. Most recently, SLD Sizer for Engineering was updated on June 21, 2026 and Wire (AWG) Calculator on July 31, 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.*