# SLD Sizer for Engineering vs Pump Cable Calculator

The clearest difference is iOS requirement: SLD Sizer for Engineering at 10.0 against Pump Cable Calculator's 16.6. On price, rating, ratings volume and update cadence 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 4.4 for Pump Cable Calculator. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

SLD Sizer for Engineering ships an update every 9 months, Pump Cable Calculator every 12 months. The most recent releases landed on June 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SLD Sizer for Engineering | Pump Cable Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (7 ratings)](https://appshunter.io/ios/app/sld-sizer-for-engineering/id385456839/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/pump-cable-calculator/id794963707/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 16 MB | 6 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KP Phillips](https://appshunter.io/developer/385456842) | [Southwire Company](https://appshunter.io/developer/440338423) |

## 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


### Pump Cable Calculator

[App page](https://appshunter.io/ios/app/pump-cable-calculator/id794963707)

This app helps determine the correct wire size or installation length for pump cables, adhering to NEC® guidelines. It supports various installation methods for electrical projects.

**Highlights:** Wire size calculation, Installation length calculation, Supports various installation methods, Adheres to NEC® recommendations, Pump cable specific

**Features:** macOS Compatibility

**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 Pump Cable Calculator free?

Pump Cable Calculator is free to download, with no in-app purchases.

### Which has better reviews, SLD Sizer for Engineering or Pump Cable Calculator?

Pump Cable Calculator is rated higher. SLD Sizer for Engineering averages 4.3 out of 5 from 7 ratings, while Pump Cable Calculator averages 4.4 from 7 ratings.

### Do SLD Sizer for Engineering or Pump Cable Calculator have ads?

Neither SLD Sizer for Engineering nor Pump Cable Calculator shows ads.

### Which is updated more often, SLD Sizer for Engineering or Pump Cable Calculator?

SLD Sizer for Engineering ships an update every 9 months, and Pump Cable Calculator every 12 months. Most recently, SLD Sizer for Engineering was updated on June 21, 2026 and Pump Cable Calculator on September 14, 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.*