# STS vs Siemens Event

The clearest difference is rating: STS at 5.0 against Siemens Event's 3.0. STS also leads on iOS requirement (12.2 vs 15.0). Siemens Event's advantage is update cadence (fortnightly vs every 5 months). On price, ratings volume, 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 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

STS ships an update every 5 months, Siemens Event fortnightly. The most recent releases landed on June 29, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | STS | Siemens Event |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sts-soft-starter-simulation/id1409663811/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/siemens-event/id1437533405/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 67 MB | 38 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) | [DGS GmbH](https://appshunter.io/developer/1399796147) |

## 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


### Siemens Event

[App page](https://appshunter.io/ios/app/siemens-event/id1437533405)

This official event app provides comprehensive information for Siemens activities at selected events. Access agendas, schedules, and details on exhibits and guests. Users can interact with a newsfeed, book workspaces and sessions, and see other participants.

**Highlights:** Event information overview, Detailed agendas and schedules, Highlight content on exhibits and guests, Interactive newsfeed, Workspace and session booking, Participant visibility

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

**In-app purchases:** none


## Frequently asked questions

### Is STS free?

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

### Is Siemens Event free?

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

### Which has better reviews, STS or Siemens Event?

STS is rated higher. STS averages 5.0 out of 5 from 1 ratings, while Siemens Event averages 3.0 from 2 ratings.

### Do STS or Siemens Event have ads?

Neither STS nor Siemens Event shows ads.

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

STS ships an update every 5 months, and Siemens Event fortnightly. Most recently, STS was updated on June 29, 2026 and Siemens Event on September 16, 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.*