TimingMachine vs Add Times
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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
Read full descriptionHide full description
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
Add Times
This utility app simplifies time calculations by adding hours and minutes. It's ideal for logging machine running times, flight logs, or driving durations. The app is free, open-source, and prioritizes user privacy by not collecting data.
- Adds hours and minutes
- Records machine running times
- Calculates flight times
- Logs driving durations
- Free and open-source
- Non-commercial
- No user data collection
Read full descriptionHide full description
Add Times is a simple calculator app that adds times given in hours and minutes. It helps with the recording of machine running times, with the addition of flight times in your pilots' flight log, or your driving times as a truck driver. The app is free, open source, 100% non-commercial and does not collect user data.
Screenshots
Verdict
The clearest difference is price: Add Times at Free against TimingMachine's $8.99. Add Times also leads on iOS requirement (14.0 vs 26.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Add Times is free to download; TimingMachine costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TimingMachine ships an update every 11 days, Add Times every 3 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | TimingMachine | Add Times |
|---|---|---|
| Price | $8.99 | Free β better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 11 days β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free β better |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 26.0 | 14.0 β better |
| Further details β not scored | ||
| Size | 32 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | keywerks GmbH | Akademische Fliegergruppe Freiburg i. Br. e. V. |
Customer experience
TimingMachine
Add Times
In-app purchases
TimingMachine
No in-app purchases
Add Times
No in-app purchases
Questions
Is TimingMachine free?
Is Add Times free?
Do TimingMachine or Add Times have ads?
Which is updated more often, TimingMachine or Add Times?
Other comparisons















