# Building Wire Reliability Calc vs CurrentMate

The clearest difference is price: Building Wire Reliability Calc at Free against CurrentMate's $4.99. CurrentMate's advantage is update cadence (every 6 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Building Wire Reliability Calc is free to download; CurrentMate costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Building Wire Reliability Calc ships an update every 3 weeks, CurrentMate every 6 days. The most recent releases landed on October 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Building Wire Reliability Calc | CurrentMate |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/currentmate/id6761319342/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Paid |
| Size | 6 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Matthew Coloma](https://appshunter.io/developer/1888866521) |

## What reviewers say

### Building Wire Reliability Calc

[App page](https://appshunter.io/ios/app/building-wire-reliability-calc/id6747445082)

**Features:** macOS Compatibility

**In-app purchases:** none


### CurrentMate

[App page](https://appshunter.io/ios/app/currentmate/id6761319342)

This app provides electricians with essential tools for quick calculations and references on the job. It includes calculators for Ohm's Law, wire sizing, voltage drop, and conduit fill, along with conduit bending guides and quick reference tables. Designed for speed and offline use, it aims to streamline field work.

**Highlights:** Ohm's Law calculator, Wire sizing and voltage drop calculations, Conduit fill and bending tools, Quick reference tables, Offline functionality, Fast and easy to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Building Wire Reliability Calc free?

Building Wire Reliability Calc is free to download, with no in-app purchases.

### Is CurrentMate free?

CurrentMate costs $4.99, with no in-app purchases.

### Do Building Wire Reliability Calc or CurrentMate have ads?

Neither Building Wire Reliability Calc nor CurrentMate shows ads.

### Which is updated more often, Building Wire Reliability Calc or CurrentMate?

Building Wire Reliability Calc ships an update every 3 weeks, and CurrentMate every 6 days. Most recently, Building Wire Reliability Calc was updated on October 11, 2026 and CurrentMate on September 18, 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.*