# Siemens Events vs STS

The clearest difference is update cadence: Siemens Events at every 10 days against STS's every 5 months. Siemens Events also leads on iOS requirement (8.0 vs 12.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Siemens Events ships an update every 10 days, STS every 5 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Siemens Events | STS |
| --- | --- | --- |
| 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 10 days** | Every 5 months |
| Monetization | — | Free |
| Size | 10 MB | 67 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Asmadiya Technologies Private Limited](https://appshunter.io/developer/1561312632) | [Siemens AG](https://appshunter.io/developer/394503271) |

## What reviewers say

### Siemens Events

[App page](https://appshunter.io/ios/app/siemens-events/id1163175420)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Siemens Events free?

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

### Is STS free?

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

### Do Siemens Events or STS have ads?

Neither Siemens Events nor STS shows ads.

### Which is updated more often, Siemens Events or STS?

Siemens Events ships an update every 10 days, and STS every 5 months. Most recently, Siemens Events was updated on October 26, 2026 and STS on October 25, 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.*