Door Assistant vs TimingMachine
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Door Assistant
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The Door Assistant communicates with industrial door controls from FEIG ELECTRONIC GmbH via the Bluetooth interface. The Door Assistant can be used to make the necessary settings for commissioning the industrial door controls. It also enables to read out device data for industrial door control (designation, serial number, firmware version, ..) and the plug-in cards used. Prepared parameter sets can be imported completely or in parts and sent to the door control via Bluetooth. An export function for parameters read back from the door control is also available. The virtual keypad contained in the app can be used parallel to the keypad on the door control.
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: Door Assistant at Free against TimingMachine's $8.99. Door Assistant also leads on iOS requirement (15.0 vs 26.0). TimingMachine's advantage is update cadence (every 11 days vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Door Assistant is free to download; TimingMachine costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Door Assistant ships an update every 6 weeks, TimingMachine every 11 days. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.
| Parameter | Door Assistant | TimingMachine |
|---|---|---|
| Price | Free โ better | $8.99 |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 6 weeks | Every 11 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | โ | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 208 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | FEIG ELECTRONIC GmbH | keywerks GmbH |
In-app purchases
Door Assistant
No in-app purchases
TimingMachine
No in-app purchases
Questions
Is Door Assistant free?
Is TimingMachine free?
Do Door Assistant or TimingMachine have ads?
Which is updated more often, Door Assistant or TimingMachine?
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