# STS vs Neon Home

The clearest difference is iOS requirement: STS at 12.2 against Neon Home'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.

STS ships an update every 5 months, Neon Home every 7 months. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | STS | Neon Home |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sts-soft-starter-simulation/id1409663811/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | — |
| Size | 67 MB | 35 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [Vorprogrammieren.de](https://appshunter.io/developer/504181265) |

## What reviewers say

### STS

[App page](https://appshunter.io/ios/app/sts-soft-starter-simulation/id1409663811)

This utility helps users select the appropriate Siemens soft starter for their specific needs. It simulates applications based on various parameters and provides detailed reports, with direct links to product data.

**Highlights:** Soft starter application simulation, Input data for environment, motor, and load, Starting parameter configuration, Suggested soft starter selection, Simulation and component reports, Direct access to Siemens Industry Mall data

**In-app purchases:** none


### Neon Home

[App page](https://appshunter.io/ios/app/neon-home/id1436860950)

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

**In-app purchases:** none


## Frequently asked questions

### Is STS free?

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

### Is Neon Home free?

Neon Home is free to download, with no in-app purchases.

### Do STS or Neon Home have ads?

Neither STS nor Neon Home shows ads.

### Which is updated more often, STS or Neon Home?

STS ships an update every 5 months, and Neon Home every 7 months. Most recently, STS was updated on October 25, 2026 and Neon Home on October 26, 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.*