# Belimo Assistant 2 vs WCW Voltage Drop Calculator

The clearest difference is ratings volume: Belimo Assistant 2 at 10 against WCW Voltage Drop Calculator's 2. Belimo Assistant 2 also leads on iOS requirement (17.0 vs 26.0). On price, rating, review sentiment 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 — 3.4 for Belimo Assistant 2 against 3.5 for WCW Voltage Drop Calculator. That said, the two scores are not equally well evidenced: Belimo Assistant 2 has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Belimo Assistant 2 ships an update every 5 weeks, WCW Voltage Drop Calculator monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Belimo Assistant 2 | WCW Voltage Drop Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (10 ratings)](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/wcw-voltage-drop-calculator/id6755205497/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 125 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BELIMO Automation AG](https://appshunter.io/developer/1149281298) | [Windy City Wire Cable and Technology Products, LLC](https://appshunter.io/developer/479454298) |

## What reviewers say

### Belimo Assistant 2

[App page](https://appshunter.io/ios/app/belimo-assistant-2/id6475810004)

This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.

**Highlights:** Device parameter modification, Identification data display, MP-Bus, BACnet, Modbus addressing, Guided parameter setup, Configuration copy/paste, Live trending and local override, Device health and operation monitoring, Digital report generation

**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 Belimo Assistant 2 free?

Belimo Assistant 2 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.

### Which has better reviews, Belimo Assistant 2 or WCW Voltage Drop Calculator?

WCW Voltage Drop Calculator is rated higher. Belimo Assistant 2 averages 3.4 out of 5 from 10 ratings, while WCW Voltage Drop Calculator averages 3.5 from 2 ratings.

### Do Belimo Assistant 2 or WCW Voltage Drop Calculator have ads?

Neither Belimo Assistant 2 nor WCW Voltage Drop Calculator shows ads.

### Which is updated more often, Belimo Assistant 2 or WCW Voltage Drop Calculator?

Belimo Assistant 2 ships an update every 5 weeks, and WCW Voltage Drop Calculator monthly. Most recently, Belimo Assistant 2 was updated on October 23, 2026 and WCW Voltage Drop Calculator on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*