# ThreeSixty VoIP vs WCW Voltage Drop Calculator

The clearest difference is iOS requirement: ThreeSixty VoIP at 15.0 against WCW Voltage Drop Calculator's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ThreeSixty VoIP ships an update every 2 months, WCW Voltage Drop Calculator monthly. The most recent releases landed on October 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ThreeSixty VoIP | WCW Voltage Drop Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/wcw-voltage-drop-calculator/id6755205497/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 13 MB | 7 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ThreeSixty Inc.](https://appshunter.io/developer/773540888) | [Windy City Wire Cable and Technology Products, LLC](https://appshunter.io/developer/479454298) |

## What reviewers say

### ThreeSixty VoIP

[App page](https://appshunter.io/ios/app/threesixty-voip/id1494488005)

**Features:** macOS Compatibility

**In-app purchases:** none


### WCW Voltage Drop Calculator

[App page](https://appshunter.io/ios/app/wcw-voltage-drop-calculator/id6755205497)

Calculate electrical circuit voltage drop quickly and accurately. Input circuit details like conductor material, wire size, voltage, phase, length, and load to determine voltage drop, percentage drop, and end-circuit voltage for efficient and safe installations.

**Highlights:** Calculate voltage drop, Determine percentage voltage drop, Calculate voltage at end of circuit, Select conductor material (copper/aluminum), Input wire size, voltage, phase, length, and load, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThreeSixty VoIP free?

ThreeSixty VoIP is free to download, with no in-app purchases.

### Is WCW Voltage Drop Calculator free?

WCW Voltage Drop Calculator is free to download, with no in-app purchases.

### Do ThreeSixty VoIP or WCW Voltage Drop Calculator have ads?

Neither ThreeSixty VoIP nor WCW Voltage Drop Calculator shows ads.

### Which is updated more often, ThreeSixty VoIP or WCW Voltage Drop Calculator?

ThreeSixty VoIP ships an update every 2 months, and WCW Voltage Drop Calculator monthly. Most recently, ThreeSixty VoIP was updated on October 1, 2026 and WCW Voltage Drop Calculator on October 24, 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.*