STS vs TimingMachine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STS
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.
- 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
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This application allows users to find the right Siemens soft starter for his specific application. Features: * Simulate a soft starter application based on your input data: ** Environment & supply ** Motor ** Load ** Starting parameters for the application ** Additional functions ** Starting profile * Select a suggested soft starter * Generate a report for a selected soft starter with the summary of the simulation and optional feeder main components * Direct access to selected soft starter data in the Siemens Industry Mall * Metrics: SI and Imperial * Languages: English, German, Chinese, French, Spanish, Portuguese, Turkish, Czech, Italian and Russian
TimingMachine
This tool helps determine and compare engine timing for 2-stroke engines. It calculates piston positions, the effect of spacers, and offers graphical representations. Results can be exported as PDF or with custom text and images.
- Convert measurements to engine timings
- Convert engine timings to measurements
- Compare engine timings
- Calculate cylinder spacer effects
- Graphical representation of timings
- Export results as PDF
- Snapshot function for storing setups
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TimingMachine is a comprehensive tool for determining the control times of plate and slot controlled 2-stroke engines. With functions for the determination and comparison of timing, determination of piston positions in the cylinder, effect of different spacers as well as the export possibility of determined values, it is currently probably the most comprehensive tool of this kind. The functions at a glance ... - Conversion of measurements (mm) into engine timings (degree) - Conversion of engine timings (degree) into measurements (mm) - Comparison of two different engine timings and their effects - Conversion from pinch edge to piston position - Calculation of different cylinder spacers on the engine timings - Graphical representation of the engine timings - Export of result data sheets as PDF - Extended export with own texts and images - Easy-to-understand user interface - Does not need an active Internet connection New! Snapshot function - Store as many setups as you want and use them whenever you need them - Add your own remarks to every setup stored - Get a quick overview of all important information at a finger tip - Name every stored setup as you like
Screenshots
Verdict
The clearest difference is price: STS at Free against TimingMachine's $8.99. STS also leads on iOS requirement (12.2 vs 26.0). TimingMachine's advantage is update cadence (every 11 days vs every 5 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
STS is free to download; TimingMachine costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
STS ships an update every 5 months, TimingMachine every 11 days. The most recent releases landed on June 29, 2026 and September 21, 2026 respectively.
| Parameter | STS | TimingMachine |
|---|---|---|
| Price | Free — better | $8.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.2 — better | 26.0 |
| Further details — not scored | ||
| Size | 67 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Siemens AG | keywerks GmbH |
Customer experience
STS
TimingMachine
In-app purchases
STS
No in-app purchases
TimingMachine
No in-app purchases









