# Select Conductor Wire PRO vs LLS 4000

The clearest difference is iOS requirement: LLS 4000 at 11.0 against Select Conductor Wire PRO's 15.0. 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.

Select Conductor Wire PRO ships an update every 19 months, LLS 4000 every 12 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Select Conductor Wire PRO | LLS 4000 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 10 MB | 57 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Caio Pinheiro](https://appshunter.io/developer/494446833) | [Danfoss A/S](https://appshunter.io/developer/423984644) |

## What reviewers say

### Select Conductor Wire PRO

[App page](https://appshunter.io/ios/app/select-conductor-wire-pro/id1178386753)

This app simplifies electrical conductor dimensioning for professionals and students. It offers precise calculations based on international standards, with an intuitive interface for quick and accurate results. Future updates will expand its capabilities.

**Highlights:** Electrical conductor dimensioning, B1 and B2 installation methods, Compliance with IEC 60364 standards, Intuitive and easy-to-use interface, Educational and professional tool, Planned expansion of installation methods

**Features:** macOS Compatibility

**In-app purchases:** none


### LLS 4000

[App page](https://appshunter.io/ios/app/lls-4000/id1503467195)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Select Conductor Wire PRO free?

Select Conductor Wire PRO is free to download, with no in-app purchases.

### Is LLS 4000 free?

LLS 4000 is free to download, with no in-app purchases.

### Do Select Conductor Wire PRO or LLS 4000 have ads?

Neither Select Conductor Wire PRO nor LLS 4000 shows ads.

### Which is updated more often, Select Conductor Wire PRO or LLS 4000?

Select Conductor Wire PRO ships an update every 19 months, and LLS 4000 every 12 months. Most recently, Select Conductor Wire PRO was updated on October 10, 2026 and LLS 4000 on October 28, 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.*